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Dr. Anna Grosser
Czestochowa University of Technology, Poland

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Research Keywords & Expertise

0 Anaerobic Digestion
0 Energy
0 Methane
0 Waste
0 Waste Management

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sewage sludge
Waste
Methane
Anaerobic Digestion
Energy
Wastewater Treatment
Waste Management

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Career Timeline

Czestochowa University of Technology

University Educator/Researcher

01 October 2013 - 30 August 2021




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Journal article
Published: 13 July 2021 in Energies
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Sewage sludge (SS) generation and its management still pose a problem in many countries. Anaerobic co-digestion (AcD) of SS with grease trap sludge (GTS) and organic fraction of municipal sewage waste (OFMSW), which are two easily biodegradable substrates, may improve biogas production and AcD kinetics. Algae biomass (AB) of the species Undaria pinnatifida can be the third co-digestion component that may also affect the AcD performance. The aim of the study was therefore to evaluate the performance of mesophilic and thermophilic SS batch AcD with OFMSW, GTS as well as AB through biochemical methane potential (BMP) assay in relation to cumulative specific biogas (YB) and methane yields (Ym). Three kinetic models were applied within the scope of the kinetic study. Results of the study showed that the mixture containing SS, GTS and AB brought the most noticeable improvements in Ym compared to other studied mixtures and in respect to standalone SS digestion, the improvement amounted to 88.37% at mesophilic temperature (260.83 ± 15.02 N mL CH4/g-VSadd and for standalone SS 138.47 ± 4.70 N mL CH4/g-VSadd) and 71.09%, respectively, at the thermophilic one (275.66 ± 4.11 N mL-CH4/g-VSadd and for SS standalone 161.13 ± 13.11 N mL-CH4/g-VSadd).

ACS Style

German Smetana; Ewa Neczaj; Anna Grosser. Biomethane Potential of Selected Organic Waste and Sewage Sludge at Different Temperature Regimes. Energies 2021, 14, 4217 .

AMA Style

German Smetana, Ewa Neczaj, Anna Grosser. Biomethane Potential of Selected Organic Waste and Sewage Sludge at Different Temperature Regimes. Energies. 2021; 14 (14):4217.

Chicago/Turabian Style

German Smetana; Ewa Neczaj; Anna Grosser. 2021. "Biomethane Potential of Selected Organic Waste and Sewage Sludge at Different Temperature Regimes." Energies 14, no. 14: 4217.

Journal article
Published: 08 March 2021 in Renewable Energy
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The effects of nanoparticles on performance and stability of anaerobic digestion of sewage sludge were investigated in four reactors. One reactor was fed with only sewage sludge(control reactor) while the remaining ones were fed with sewage sludge with the addition of the following additives:1) silver nanoparticles(NPs reactor); 2) ionic silver(AgNO3 reactor); 3) diluent used for nanoparticles(DIS reactor). The results indicated that: 1) the form of silver had significantly affected the methane yield as well as the share of hydrogen sulphide in the biogas, however this was not the case for VS removal; 2) the tested additives did not significantly affect methane content; 3) the addition of nanoparticles had a positive effect on the kinetic parameters of anaerobic digestion; for the aforementioned sample, the maximum rate of methane production was significantly higher in comparison to other trials executed in this experiment. Additionally, a shorter lag time phase was observed for the feed with the additive in the form of silver NPs; 4) control and Ag reactors harboured similar microbial diversities, in the reactors submitted to Ag-NPs or DIS microbial communities were very different from the other ones; in Ag-NPs reactor, with a 5-fold increase in the number of Methanosarcina genus compared to the control reactor.

ACS Style

Anna Grosser; Anna Grobelak; Agnieszka Rorat; Pauline Courtois; Franck Vandenbulcke; Sébastien Lemière; Remy Guyoneaud; Eleonore Attard; Piotr Celary. Effects of silver nanoparticles on performance of anaerobic digestion of sewage sludge and associated microbial communities. Renewable Energy 2021, 171, 1014 -1025.

AMA Style

Anna Grosser, Anna Grobelak, Agnieszka Rorat, Pauline Courtois, Franck Vandenbulcke, Sébastien Lemière, Remy Guyoneaud, Eleonore Attard, Piotr Celary. Effects of silver nanoparticles on performance of anaerobic digestion of sewage sludge and associated microbial communities. Renewable Energy. 2021; 171 ():1014-1025.

Chicago/Turabian Style

Anna Grosser; Anna Grobelak; Agnieszka Rorat; Pauline Courtois; Franck Vandenbulcke; Sébastien Lemière; Remy Guyoneaud; Eleonore Attard; Piotr Celary. 2021. "Effects of silver nanoparticles on performance of anaerobic digestion of sewage sludge and associated microbial communities." Renewable Energy 171, no. : 1014-1025.

Journal article
Published: 16 February 2021 in Science of The Total Environment
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Consumer products containing silver nanoparticles (AgNPs) release silver (Ag) to the environment, particularly wastewater. Sewage sludge (SS), which contains numerous contaminants including Ag, is recycled by spreading on agricultural land. Although slight impacts and bioaccumulation of Ag sulfide (Ag2S, the main species found in SS) in terrestrial organisms have been demonstrated, possible trophic transfer into plants and subsequently animal species has not been examined. Accordingly, the present study experimentally measured the transfer of Ag from AgNPs and sulfidized Ag into plants and primary consumers and compared their bioavailability. Nine plant cultivars were grown in soil mixed with SS containing Ag, which revealed that bioaccumulation of Ag by plants is species-dependent. Ryegrass (the plant species with the greatest accumulation – up to 0.2 mg kg−1) was then cultivated on a larger scale to expose snails and locusts for several weeks. While locusts did not accumulate Ag after two weeks of exposure, snails exhibited Ag bioaccumulation after 5 weeks when soil was accessible. Sulfidized Ag derived from AgNPs were less available (bioaccumulation up to 2.5 mg kg−1) than the Ag from the original AgNPs (bioaccumulation up to 15 mg kg−1). This transfer potential of Ag could have consequences for food webs due to chronic exposure linked to SS spreading practices. This study shows that transformations of AgNPs in treatment plants attenuate but do not completely eliminate the risk of Ag to plant and animal species SS.

ACS Style

Pauline Courtois; Annette de Vaufleury; Anna Grosser; Christine Lors; Franck Vandenbulcke. Transfer of sulfidized silver from silver nanoparticles, in sewage sludge, to plants and primary consumers in agricultural soil environment. Science of The Total Environment 2021, 777, 145900 .

AMA Style

Pauline Courtois, Annette de Vaufleury, Anna Grosser, Christine Lors, Franck Vandenbulcke. Transfer of sulfidized silver from silver nanoparticles, in sewage sludge, to plants and primary consumers in agricultural soil environment. Science of The Total Environment. 2021; 777 ():145900.

Chicago/Turabian Style

Pauline Courtois; Annette de Vaufleury; Anna Grosser; Christine Lors; Franck Vandenbulcke. 2021. "Transfer of sulfidized silver from silver nanoparticles, in sewage sludge, to plants and primary consumers in agricultural soil environment." Science of The Total Environment 777, no. : 145900.

Journal article
Published: 27 October 2020 in Chemosphere
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The widespread use of silver nanoparticles (AgNPs) in consumer products that release Ag throughout their life cycle has raised potential environmental concerns. AgNPs primarily accumulate in soil through the spreading of sewage sludge (SS). In this study, the effects of direct exposure to AgNPs or indirect exposure via SS contaminated with AgNPs on the earthworm Eisenia fetida and soil microbial communities were compared, through 3 scenarios offering increasing exposure concentrations. The effects of Ag speciation were analyzed by spiking SS with AgNPs or AgNO3 before application to soil. SS treatment strongly impacted Ag speciation due to the formation of Ag2S species that remained sulfided after mixing in the soil. The life traits and expression of lysenin, superoxide dismutase, cd-metallothionein genes in earthworms were not impacted by Ag after 5 weeks of exposure, but direct exposure to Ag without SS led to bioaccumulation of Ag, suggesting transfer in the food chain. Ag exposure led to a decrease in potential carbon respiration only when directly added to the soil. The addition of SS had a greater effect on soil microbial diversity than the form of Ag, and the formation of Ag sulfides in SS reduced the impact of AgNPs on E. fetida and soil microorganisms compared with direct addition.

ACS Style

Pauline Courtois; Agnieszka Rorat; Sébastien Lemiere; Rémy Guyoneaud; Eléonore Attard; Manon Longepierre; François Rigal; Clément Levard; Perrine Chaurand; Anna Grosser; Anna Grobelak; Malgorzata Kacprzak; Christine Lors; Agnès Richaume; Franck Vandenbulcke. Medium-term effects of Ag supplied directly or via sewage sludge to an agricultural soil on Eisenia fetida earthworm and soil microbial communities. Chemosphere 2020, 269, 128761 .

AMA Style

Pauline Courtois, Agnieszka Rorat, Sébastien Lemiere, Rémy Guyoneaud, Eléonore Attard, Manon Longepierre, François Rigal, Clément Levard, Perrine Chaurand, Anna Grosser, Anna Grobelak, Malgorzata Kacprzak, Christine Lors, Agnès Richaume, Franck Vandenbulcke. Medium-term effects of Ag supplied directly or via sewage sludge to an agricultural soil on Eisenia fetida earthworm and soil microbial communities. Chemosphere. 2020; 269 ():128761.

Chicago/Turabian Style

Pauline Courtois; Agnieszka Rorat; Sébastien Lemiere; Rémy Guyoneaud; Eléonore Attard; Manon Longepierre; François Rigal; Clément Levard; Perrine Chaurand; Anna Grosser; Anna Grobelak; Malgorzata Kacprzak; Christine Lors; Agnès Richaume; Franck Vandenbulcke. 2020. "Medium-term effects of Ag supplied directly or via sewage sludge to an agricultural soil on Eisenia fetida earthworm and soil microbial communities." Chemosphere 269, no. : 128761.

Journal article
Published: 01 August 2020 in Renewable Energy
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The effect of sterilization of grease trap sludge on the performance of their joint anaerobic digestion with sewage sludge was investigated. The process was carried out in two continuously stirred-tank glass reactors at mesophilic conditions. The hydraulic retention time was 10 days, and the experiment was divided into three stages. In two stages, anaerobic digestion of sewage sludge was carried out. In the first stage, the batch assay was applied to promote the development of an anaerobic community. In the second stage, the reactors were fed with sewage sludge in a semi-continuous regime. Meanwhile, in the next step, grease trap sludge was co-digested with sewage sludge. For the first period of the 3rd stage, grease trap sludge without sterilization was dosed into feedstock. In the last period, waste prior to introduction to the feedstock, was sterilized at 133 °C for 20 min at a steam pressure equal to 3 bars. The results of the statistical analyses revealed that the addition of co-substrates to the feedstock had a significant influence on biogas yield, as well as volatile solids removal. However, the conditioning of the grease trap sludge did not have a significant statistical effect on the production of biogas (enhanced by 3%) and volatile solids removal. Moreover, there were no statistically significant changes in the composition of biogas.

ACS Style

A. Grosser; E. Neczaj; Anna Jasinska; P. Celary. The influence of grease trap sludge sterilization on the performance of anaerobic co-digestion of sewage sludge. Renewable Energy 2020, 161, 988 -997.

AMA Style

A. Grosser, E. Neczaj, Anna Jasinska, P. Celary. The influence of grease trap sludge sterilization on the performance of anaerobic co-digestion of sewage sludge. Renewable Energy. 2020; 161 ():988-997.

Chicago/Turabian Style

A. Grosser; E. Neczaj; Anna Jasinska; P. Celary. 2020. "The influence of grease trap sludge sterilization on the performance of anaerobic co-digestion of sewage sludge." Renewable Energy 161, no. : 988-997.

Review
Published: 26 March 2020 in Journal of Environmental Management
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This review aimed to analyse the current state of management practices for poultry manure in Poland and present future perspectives in terms of technologies allowing closing the loops for circular economy, and thus recovery of nutrients and energy. The scope of the review focused primarily on: (1) the analysis of poultry production and generation of poultry manure with special references to quantities, properties (e.g. fertilizing properties), seasonality, etc.; (2) the overview of current practices and methods for managing poultry manure including advantages and limitations; (3) the analysis of potential and realistic threats and risk related to managing poultry manure, and also (4) the analysis of promising technologies for converting poultry manure into added value products and energy. The review addressed the following technologies: composting of poultry manure to obtain fertilizers and soil improvers, anaerobic digestion of poultry manure for energy recovery, and also pyrolysis of poultry manure into different types of biochar that can be applied in agriculture, horticulture and industry. Poultry manure is rich in macro- and micronutrients but also can contain various contaminants such as antibiotics or pesticides, and thus posing a realistic threat to soil and living organisms when applied to soil directly or after biological treatment. The main challenge in poultry manure processing is to assure sufficient closing of carbon, nitrogen and phosphorous loops and safe application to soil.

ACS Style

Danuta Dróżdż; Katarzyna Wystalska; Krystyna Malińska; Anna Grosser; Anna Grobelak; Małgorzata Kacprzak. Management of poultry manure in Poland – Current state and future perspectives. Journal of Environmental Management 2020, 264, 110327 .

AMA Style

Danuta Dróżdż, Katarzyna Wystalska, Krystyna Malińska, Anna Grosser, Anna Grobelak, Małgorzata Kacprzak. Management of poultry manure in Poland – Current state and future perspectives. Journal of Environmental Management. 2020; 264 ():110327.

Chicago/Turabian Style

Danuta Dróżdż; Katarzyna Wystalska; Krystyna Malińska; Anna Grosser; Anna Grobelak; Małgorzata Kacprzak. 2020. "Management of poultry manure in Poland – Current state and future perspectives." Journal of Environmental Management 264, no. : 110327.

Journal article
Published: 01 January 2020 in DESALINATION AND WATER TREATMENT
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The paper presents the results of research on the removal of total petroleum hydrocarbons (TPHs), (initial content of petrol (C6–C12) 1,558.77mg/L, and oil (C12–C35) 7,426.61mg/L) in wastewater from oil separators using biological as well as physical and chemical methods. The ratio of removal of petroleum compounds was compared in the used methods, analyzing the sum of petrol and oil. Studies using biological methods have been conducted for three bacterial strains: Pseudomonas putida, Bacillus subtilis and Azospirillum brasilense immobilized on sodium alginate and biochar. In the case of physical and chemical methods the following chemical oxidation and coagulation processes were used: iron(III) chloride and aluminum sulfate in dose from 50 to 275mg/L of the tested sample. The biological treatment applied for 6 weeks confirmed 97%–98% removal of TPHs, indicating the highest removal rate for Azospirillum brasilense treatment. It was found that the high-est TPHs removal efficiency (99%) of both petrol and oil in wastewater was achieved when Fenton’s reaction was applied, during a few hours of treatment. This reaction can, therefore, be an effective tool in removing TPHs from sludge and wastewater from oil derivative separators. The results of the conducted tests confirm that it is possible to almost completely remove petroleum substances in wastewater and sludge from oil separators using hybrid methods combining biological, chem-ical, and physical treatment. In the aspect of current trends the most preferable method shall be biological, without secondary residues generation, but this process requires much more time.

ACS Style

Anna Grobelak; Małgorzata Worwąg; Anna Grosser. Removal of total petroleum hydrocarbons from wastewater and sewage sludge generated in oil separators and evaluation of the process efficiency. DESALINATION AND WATER TREATMENT 2020, 199, 205 -211.

AMA Style

Anna Grobelak, Małgorzata Worwąg, Anna Grosser. Removal of total petroleum hydrocarbons from wastewater and sewage sludge generated in oil separators and evaluation of the process efficiency. DESALINATION AND WATER TREATMENT. 2020; 199 ():205-211.

Chicago/Turabian Style

Anna Grobelak; Małgorzata Worwąg; Anna Grosser. 2020. "Removal of total petroleum hydrocarbons from wastewater and sewage sludge generated in oil separators and evaluation of the process efficiency." DESALINATION AND WATER TREATMENT 199, no. : 205-211.

Journal article
Published: 21 June 2019 in Ecotoxicology and Environmental Safety
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Bioindicators are promising tools used to detect the long-term effects of selected biosolids on plants development and should be implemented before large-scale supplementation of sewage sludge into the soil. The presented study shows the impact of sewage sludge application on metal-sensitive toxicity biological parameters (biomarkers) in Sinapis alba including: germination, root length, the activity of guaiacol peroxidase, the chlorophyll content, the level of DNA damage and the expression level of Ribulose-1,5-bisphosphate carboxylase/oxygenase (rbcL) and metallothionein (mt). We evaluated data from selected biomarkers in order to broaden our understanding of plants defense mechanisms against heavy metal contamination and the application of sewage sludge into soils. Overall, in contaminated soil after supplementation with both municipal sewage sludges, an increase in toxicity was noticed in DNA damage, mt and rbcl expression and total chlorophyll content. The supplementation of both soils with municipal sewage sludge caused a two-time induction in the mt expression. Moreover, clean soil supplemented with sewage sludge caused an increase in DNA damage shown as the tail moment from approximately 12 μm on control to 40 μm after supplementation. Even if those biosolids increased the initial germination, roots length, and biomass in comparison to the unamended soil, the toxicity was evidenced with other stress markers. Results showed, that in order to accurately assess the influence of sewage sludge application on plants the use of several specific biomarkers is required for safe land restoration. The conducted study also confirmed, both under biochemical and genotoxic tests, that iron enrichment for biosolids or contaminated soil can significantly reduce the bioavailability and toxicity of other metals.

ACS Style

Marta Jaskulak; Anna Grobelak; Anna Grosser; Franck Vandenbulcke. Gene expression, DNA damage and other stress markers in Sinapis alba L. exposed to heavy metals with special reference to sewage sludge application on contaminated sites. Ecotoxicology and Environmental Safety 2019, 181, 508 -517.

AMA Style

Marta Jaskulak, Anna Grobelak, Anna Grosser, Franck Vandenbulcke. Gene expression, DNA damage and other stress markers in Sinapis alba L. exposed to heavy metals with special reference to sewage sludge application on contaminated sites. Ecotoxicology and Environmental Safety. 2019; 181 ():508-517.

Chicago/Turabian Style

Marta Jaskulak; Anna Grobelak; Anna Grosser; Franck Vandenbulcke. 2019. "Gene expression, DNA damage and other stress markers in Sinapis alba L. exposed to heavy metals with special reference to sewage sludge application on contaminated sites." Ecotoxicology and Environmental Safety 181, no. : 508-517.

Book chapter
Published: 19 April 2019 in Industrial and Municipal Sludge
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This chapter presents a review of biogas production from activated sludge using thermal hydrolysis (TH) and thermophilic anaerobic digestion (AD). Due to the sewage sludge complex floc structure and the presence of a cell wall, the rate-limiting step of AD is hydrolysis. This discussion includes general information about a number of methods used to enhance sewage sludge hydrolysis and biogas production. The mechanism of the disintegration process and its effect on AD are also presented. Upgrading the anaerobic biodegradability of activated sludge by thermal pretreatment methods is the main topic of this chapter. The recent research achievements in this area, as well as commercially implemented technologies (e.g., CambiTHP, BIOTHELYS) are included, as are the economic aspect of implementation of TH pretreatment and thermophilic AD in wastewater treatment plants (WWTPs).

ACS Style

Ewa Neczaj; Anna Grosser. Biogas production by thermal hydrolysis and thermophilic anaerobic digestion of waste-activated sludge. Industrial and Municipal Sludge 2019, 741 -781.

AMA Style

Ewa Neczaj, Anna Grosser. Biogas production by thermal hydrolysis and thermophilic anaerobic digestion of waste-activated sludge. Industrial and Municipal Sludge. 2019; ():741-781.

Chicago/Turabian Style

Ewa Neczaj; Anna Grosser. 2019. "Biogas production by thermal hydrolysis and thermophilic anaerobic digestion of waste-activated sludge." Industrial and Municipal Sludge , no. : 741-781.

Book chapter
Published: 19 April 2019 in Industrial and Municipal Sludge
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This chapter investigates the issues of energy recovery using different kinds of sludge. It presents the findings of various studies regarding methane (CH4) production from municipal sewage sludge (MSS), as well as comparing its characteristics and energy recovery potential with those of industrial sludge such as pulp and paper biosludge, tannery sludge (TnS), sludge originating from wastewater treatment facilities in the chemical, petrochemical and food processing industries. The main problems with anaerobic digestion (AD) of these kinds of sludge are also discussed in detail and addressed thoroughly by presenting methods of intensifying it by means of feed and substrate pretreatment, as well as the possibility of simultaneous treatment of these sludges with other organic waste in the process of anaerobic codigestion (AcD).

ACS Style

Anna Grosser; Piotr Celary. Biogas (methane production) and energy recovery from different sludges. Industrial and Municipal Sludge 2019, 705 -740.

AMA Style

Anna Grosser, Piotr Celary. Biogas (methane production) and energy recovery from different sludges. Industrial and Municipal Sludge. 2019; ():705-740.

Chicago/Turabian Style

Anna Grosser; Piotr Celary. 2019. "Biogas (methane production) and energy recovery from different sludges." Industrial and Municipal Sludge , no. : 705-740.

Journal article
Published: 12 March 2019 in Water
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Purification of leachates is currently a big challenge due to their high variability in composition and amount. The complexity of the medium, namely leachates, makes new solutions highly sought after and finds the existing ones in need of optimization. The effects of ultrasound pretreatment (20 kHz, 12 µm) on biological treatment of landfill leachates in the form of processes carried out in two sequencing batch reactors were investigated. The experiment was divided into two stages. In the first stage, leachate was treated by an ultrasonic field at different sonication times (0.5, 1, 3, 5, 10 and 15 min). Next, leachates with and without conditioning were combined with municipal wastewater in the following ratios: 5, 10, 15 and 25% v/v. For optimal processing time (3 min), 16% removal of COD was achieved. In turn, the BOD5/COD ratio was 0.3, which is higher by approximately 270% than that of the non-conditioned sample. Further elongation of sonication time did not significantly affect both parameters. Also, pretreatment of leachate resulted in a maximum increase noted in the study of specific oxygen uptake rate and dehydrogenase activity of approximately 21 and 2 times compared to the non-conditioned sample. The implementation of a pretreatment step prior to the biological treatment was shown to result in higher pollutant removal efficiency. Depending on the share of leachates in the mixture, the removal enhancements of BOD, COD, and ammonium nitrogen for conditioned samples ranged from 6–48.5%, 4–48% and 11–42%, respectively. Furthermore, pretreatment of leachate allows for an increased (by up to 20%) share of leachate volume in the influent stream entering the reactor, while maintaining the quality of effluents in accordance with national regulation requirements. However, in scenarios without pretreatment, the leachate ratio cannot exceed 5% of the total wastewater due to poor quality of the effluents. The operational cost of ultrasound pretreatment of leachate was 22.58 €/(m3·g removed COD).

ACS Style

Anna Grosser; Ewa Neczaj; Magdalena Madela; Piotr Celary. Ultrasound-Assisted Treatment of Landfill Leachate in a Sequencing Batch Reactor. Water 2019, 11, 516 .

AMA Style

Anna Grosser, Ewa Neczaj, Magdalena Madela, Piotr Celary. Ultrasound-Assisted Treatment of Landfill Leachate in a Sequencing Batch Reactor. Water. 2019; 11 (3):516.

Chicago/Turabian Style

Anna Grosser; Ewa Neczaj; Magdalena Madela; Piotr Celary. 2019. "Ultrasound-Assisted Treatment of Landfill Leachate in a Sequencing Batch Reactor." Water 11, no. 3: 516.

Journal article
Published: 04 January 2019 in Journal of Environmental Management
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Although sewage sludge generated by most large wastewater treatment plants is treated as waste, this ‘waste’ is both a source of energy and nutrients. Moreover, mainly in the small and medium-sized installations of municipal wastewater treatment plants is produced sewage sludge that meets the standards for soil application. Unfortunately, the overly simplified operating systems of small wastewater treatments plants cannot provide the satisfactory content of water in sewage sludge for energy recovery purposes. Therefore, new solutions for sewage sludge treatment are required. The study presents an innovative, energy effective, wastewater treatment and sewage sludge processing in one operational sequence, with significant energy consumption decrease and autothermal biomass production. Current research contains detailed technical information about the novel integrated waste water treatment plant and sewage sludge treatment installation as well as cost analysis in comparison to conventional treatments. The aim of this study was to evaluate the operation of the one prototype line for wastewater and sewage sludge treatment and the assessment of the obtained biomass and fertilizer. This new technology is a solution for small and medium-sized municipal wastewater treatment plants and is leading to change the conception of wastewater treatment process as a whole and is resolving the management of sewage sludge at the place where it is generated. In described process the sewage sludge is adequately treated by the installation apparatus and can be used in two ways: as a source of pathogen-free compost, or as a biomass and feedstock for simple thermal installation. Obtained sewage sludge can be recycled as biomass for combustion with the remaining ash acing as a plant nutrient-rich source (soil properties enhancer). Finally, in a modified wastewater treatment process, an odorless and stabilized compost or biomass for thermal energy recovery can be obtained and utilized directly at the place of origin. This alternative system allows for the systematic (and technological) adjustment of already existing, upgraded and newly-designed wastewater treatment plants. This new and innovative technology driven by assumptions about the best possible use of the resources and energy, allows for a more sustainable functioning of the treatment plant. The present study provides a significant insight into closing carbon, nitrogen, phosphorus, potassium and energy loops in wastewater treatments system.

ACS Style

Anna Grobelak; Anna Grosser; Małgorzata Kacprzak; Tomasz Kamizela. Sewage sludge processing and management in small and medium-sized municipal wastewater treatment plant-new technical solution. Journal of Environmental Management 2019, 234, 90 -96.

AMA Style

Anna Grobelak, Anna Grosser, Małgorzata Kacprzak, Tomasz Kamizela. Sewage sludge processing and management in small and medium-sized municipal wastewater treatment plant-new technical solution. Journal of Environmental Management. 2019; 234 ():90-96.

Chicago/Turabian Style

Anna Grobelak; Anna Grosser; Małgorzata Kacprzak; Tomasz Kamizela. 2019. "Sewage sludge processing and management in small and medium-sized municipal wastewater treatment plant-new technical solution." Journal of Environmental Management 234, no. : 90-96.

Journal article
Published: 29 August 2018 in Journal of Environmental Management
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The challenge of environment management is a sustainable development of both environmental systems and the green economy. The main objective of this study was the optimization and testing of plant growth-promoting rhizobacteria soil biopreparation and soil amendments as the alternative to or to help offset use of mineral soil fertilizers. A field study was conducted on a degraded area to improve plant biomass yield using inoculated bacteria. Moreover, organic additives (sewage sludge) and inorganic fertilizers were also used to compare their effectiveness. The conducted study investigated the combined effect of immobilized microbial consortium and soil substrates for plant growth (red fescue) on degraded areas and confirmed synergistic interactions between plants, microorganisms and soil substrates in the process of phytoremediation. The formulation consisted of immobilized bacterial consortia having mechanisms for the synthesis of compounds preferably affecting growth and development of (crop) plants. The conducted studies confirmed that the PGPR bacteria used in the experiment have the potential to promote plant growth, increase organic nitrogen the bioavailable P pool in soil. The results of the field study (synergy effect of alternative fertilization and bacteria) can be used to create effective methods in assisted soil bioremediation. This approach has a high social acceptance and reduces resource consumption of fertilizers having an impact on sustainable development. Implementing methods of supporting plant growth using microorganisms can undoubtedly contribute to the development of ‘green’ resource management.

ACS Style

Anna Grobelak; Paulina Kokot; Dylan Hutchison; Anna Grosser; Małgorzata Kacprzak. Plant growth-promoting rhizobacteria as an alternative to mineral fertilizers in assisted bioremediation - Sustainable land and waste management. Journal of Environmental Management 2018, 227, 1 -9.

AMA Style

Anna Grobelak, Paulina Kokot, Dylan Hutchison, Anna Grosser, Małgorzata Kacprzak. Plant growth-promoting rhizobacteria as an alternative to mineral fertilizers in assisted bioremediation - Sustainable land and waste management. Journal of Environmental Management. 2018; 227 ():1-9.

Chicago/Turabian Style

Anna Grobelak; Paulina Kokot; Dylan Hutchison; Anna Grosser; Małgorzata Kacprzak. 2018. "Plant growth-promoting rhizobacteria as an alternative to mineral fertilizers in assisted bioremediation - Sustainable land and waste management." Journal of Environmental Management 227, no. : 1-9.

Journal article
Published: 17 July 2018 in Journal of Cleaner Production
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The aim of this study was to estimate the energy potential of sewage sludge co-digestion with grease trap waste. The semi-continuous process was carried out at lab scale bioreactors under mesophilic conditions where, in contrast to the literature data, the reactor was operated at a significantly shorter hydraulic retention time (10 days). The concentration of grease trap waste was increased up to 54% in the feedstock on a volatile solids content basis. Although, significant variations in the organic loading rate were observed, the biogas production and methane yield increased with a larger addition of fat-rich waste. Despite the fact that the concentration of long chain fatty acids obtained in the present study significantly exceeded the accepted level inhibiting the fermentation process, it had no negative impact on process performance. The calculated energy balance showed that the addition of grease trap waste will provide an increased production of biogas. As shown the energy balance, as the ratio of biogas-derived energy to energy consumed, after co-substrate introduction of the co-substrate improved by about 30%. Furthermore, implementation of the co-digestion process at the wastewater treatment plant may lead to an increased recovery degree of wastewater treatment plant energy consumption via electric energy supplied by methane combustion, even up to 100% in comparison to anaerobic digestion of sewage sludge alone.

ACS Style

Anna Grosser; Ewa Neczaj. Sewage sludge and fat rich materials co-digestion - Performance and energy potential. Journal of Cleaner Production 2018, 198, 1076 -1089.

AMA Style

Anna Grosser, Ewa Neczaj. Sewage sludge and fat rich materials co-digestion - Performance and energy potential. Journal of Cleaner Production. 2018; 198 ():1076-1089.

Chicago/Turabian Style

Anna Grosser; Ewa Neczaj. 2018. "Sewage sludge and fat rich materials co-digestion - Performance and energy potential." Journal of Cleaner Production 198, no. : 1076-1089.

Proceedings
Published: 01 January 2018 in Proceedings
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The article investigated the effects of ultrasound pretreatment on biological treatment of landfill leachate. Leachates with and without conditioning were combined with municipal wastewater at different ratios. The study showed that the implementation of a pretreatment step prior to biological treatment not only results in higher pollutant removal efficiency but may also allow for an increased leachate volume share in the influent stream entering the reactor by up to 20% (quality of effluents meets national regulation requirements) which in scenarios without pretreatment cannot exceed 5% due to poor quality of the effluents.

ACS Style

Anna Grosser; Ewa Neczaj; Magdalena Madela; Piotr Celary. Treatment of Landfill Leachate Using Ultrasound Assisted SBR Reactor. Proceedings 2018, 2, 648 .

AMA Style

Anna Grosser, Ewa Neczaj, Magdalena Madela, Piotr Celary. Treatment of Landfill Leachate Using Ultrasound Assisted SBR Reactor. Proceedings. 2018; 2 (11):648.

Chicago/Turabian Style

Anna Grosser; Ewa Neczaj; Magdalena Madela; Piotr Celary. 2018. "Treatment of Landfill Leachate Using Ultrasound Assisted SBR Reactor." Proceedings 2, no. 11: 648.

Journal article
Published: 01 January 2018 in Energy
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ACS Style

Anna Grosser. Determination of methane potential of mixtures composed of sewage sludge, organic fraction of municipal waste and grease trap sludge using biochemical methane potential assays. A comparison of BMP tests and semi-continuous trial results. Energy 2018, 143, 488 -499.

AMA Style

Anna Grosser. Determination of methane potential of mixtures composed of sewage sludge, organic fraction of municipal waste and grease trap sludge using biochemical methane potential assays. A comparison of BMP tests and semi-continuous trial results. Energy. 2018; 143 ():488-499.

Chicago/Turabian Style

Anna Grosser. 2018. "Determination of methane potential of mixtures composed of sewage sludge, organic fraction of municipal waste and grease trap sludge using biochemical methane potential assays. A comparison of BMP tests and semi-continuous trial results." Energy 143, no. : 488-499.

Proceedings
Published: 01 January 2018 in Proceedings
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The urban wastewater treatment plants can be an important part of circular sustainability due to integration of energy production and resource recovery during clean water production. Currently the main drivers for developing wastewater industry are global nutrient needs and water and energy recovery from wastewater. The article presents current trends in wastewater treatment plants development based on Circular Economy assumptions, challenges and barriers which prevent the implementation of the CE and Smart Cities concept with WWTPs as an important player. WWTPs in the near future are to become “ecologically sustainable” technological systems and a very important nexus in SMART cities.

ACS Style

Ewa Neczaj; Anna Grosser. Circular Economy in Wastewater Treatment Plant–Challenges and Barriers. Proceedings 2018, 2, 614 .

AMA Style

Ewa Neczaj, Anna Grosser. Circular Economy in Wastewater Treatment Plant–Challenges and Barriers. Proceedings. 2018; 2 (11):614.

Chicago/Turabian Style

Ewa Neczaj; Anna Grosser. 2018. "Circular Economy in Wastewater Treatment Plant–Challenges and Barriers." Proceedings 2, no. 11: 614.

Journal article
Published: 01 December 2017 in Journal of Environmental Management
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The effect of hydraulic retention time ranging from 12 to 20 d on process performance and stability was investigated in two anaerobic completely stirred tank reactors with a working liquid volume equal to 6 litres. The reactors were fed with mixtures containing (on volatile solids basis): 40% of sewage sludge, 30% of organic fraction of municipal waste and 30% of grease trap sludge. The change of hydraulic retention time did not significantly affect process stability. However, methane yields as well as volatile solids removal decreased from 0.54 to 0.47 l per kg of added volatile solids and 65% to 60% respectively, with the decrease of hydraulic retention time. Despite the fact that the best process performance was achieved for hydraulic retention time of 20 days, the obtained results showed that it is also possible to carry out the co-digestion process at shorter hydraulic retention times with good results. Furthermore, gas production rate as well as biogas production at the shortest hydraulic retention time were approximately 46% higher in comparison to results obtained at the longest hydraulic retention time. In this context, the proposed solution seems to be an interesting option, because it provides an unique opportunity for wastewater treatment plants to improve their profitability by enhancing energy recovery from sludge as well as full utilisation of the existing infrastructure and hence creates a new potential place for alternative treatment of organic industrial waste such as: fat-rich materials or food waste. However, implementation of the solution at wastewater treatment plants is still a big challenge and needs studies including identification of optimal digesting conditions, information about substrate pumping, inhibition thresholds and processing properties. Additionally, due to the characteristics of both co-substrates their introduction to the full-scale digester should be carefully planned due to a potential risk of overloading of the digester. For this reason, a gradual increase of the share of these wastes in the co-digestion mixture is highly recommended, because it will allow for the acclimatization of bacteria as well as prevent overloading. The results of this study show the importance of gradual acclimatization of microorganisms to the changing environmental conditions. It was found that concentration of long chain fatty acids in effluents increased with the reduction of hydraulic retention time, but this phenomenon did not significantly influence the performance and stability of the process probably due to changes hydraulic retention time being gradual. Although for palmitic acid a moderate negative correlation with volatile solids removal was observed.

ACS Style

Anna Grosser. The influence of decreased hydraulic retention time on the performance and stability of co-digestion of sewage sludge with grease trap sludge and organic fraction of municipal waste. Journal of Environmental Management 2017, 203, 1143 -1157.

AMA Style

Anna Grosser. The influence of decreased hydraulic retention time on the performance and stability of co-digestion of sewage sludge with grease trap sludge and organic fraction of municipal waste. Journal of Environmental Management. 2017; 203 ():1143-1157.

Chicago/Turabian Style

Anna Grosser. 2017. "The influence of decreased hydraulic retention time on the performance and stability of co-digestion of sewage sludge with grease trap sludge and organic fraction of municipal waste." Journal of Environmental Management 203, no. : 1143-1157.

Conference paper
Published: 07 November 2017 in E3S Web of Conferences
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The main objective of this study was to determine the applicability of the selected pretreatment methods as a means of intensification of methane production from sewage sludge as well as its mixtures with grease trap sludge. The addition of the fat rich material to the digester treating sewage sludge resulted in an increased methane yield as well as volatile solids (VS) removal of up to 36% (from 134.75 mL/g VS to 182.84 mL/g VS). Furthermore, thermochemical pretreatment of the co-digestion mixture resulted in an approximately 76% higher methane yield as compared to the untreated sewage sludge. The energy balance showed that, for both materials ultrasonic pretreatment and thermochemical pretreatment has an energy self-sufficiency. All of the tested models fit the experimental data with coefficients of determination higher than 0.96.

ACS Style

Anna Grosser; Ewa Neczaj. Pretreatment methods as a means of boosting methane production from sewage sludge and its mixtures with grease trap sludge. E3S Web of Conferences 2017, 22, 58 .

AMA Style

Anna Grosser, Ewa Neczaj. Pretreatment methods as a means of boosting methane production from sewage sludge and its mixtures with grease trap sludge. E3S Web of Conferences. 2017; 22 ():58.

Chicago/Turabian Style

Anna Grosser; Ewa Neczaj. 2017. "Pretreatment methods as a means of boosting methane production from sewage sludge and its mixtures with grease trap sludge." E3S Web of Conferences 22, no. : 58.

Journal article
Published: 01 October 2017 in Bioresource Technology
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The aim of this study was to assess the effectiveness of vermicomposting process applied on three different sewage sludge (precomposted with grass clippings, sawdust and municipal solid wastes) using three different earthworm species. Selected immune parameters, namely biomarkers of stress and metal body burdens, have been used to biomonitor the vermicomposting process and to assess the impact of contaminants on earthworm's physiology. Biotic and abiotic parameters were also used in order to monitor the process and the quality of the final product. Dendrobaena veneta exhibited much lower resistance in all experimental conditions, as the bodyweight and the total number of circulating immune cells decreased in the most contaminated conditions. All earthworm species accumulated heavy metals as follows Cd>Co>Cu>Zn>Ni>Pb>Cr: Eisenia sp. worms exhibited the highest ability to accumulate several heavy metals. Vermicompost obtained after 45days was acceptable according to agronomic parameters and to compost quality norms in France and Poland.

ACS Style

Hanine Suleiman; Agnieszka Rorat; Anna Grobelak; Anna Grosser; Marcin Milczarek; Barbara Płytycz; Małgorzata Kacprzak; Franck Vandenbulcke. Determination of the performance of vermicomposting process applied to sewage sludge by monitoring of the compost quality and immune responses in three earthworm species: Eisenia fetida, Eisenia andrei and Dendrobaena veneta. Bioresource Technology 2017, 241, 103 -112.

AMA Style

Hanine Suleiman, Agnieszka Rorat, Anna Grobelak, Anna Grosser, Marcin Milczarek, Barbara Płytycz, Małgorzata Kacprzak, Franck Vandenbulcke. Determination of the performance of vermicomposting process applied to sewage sludge by monitoring of the compost quality and immune responses in three earthworm species: Eisenia fetida, Eisenia andrei and Dendrobaena veneta. Bioresource Technology. 2017; 241 ():103-112.

Chicago/Turabian Style

Hanine Suleiman; Agnieszka Rorat; Anna Grobelak; Anna Grosser; Marcin Milczarek; Barbara Płytycz; Małgorzata Kacprzak; Franck Vandenbulcke. 2017. "Determination of the performance of vermicomposting process applied to sewage sludge by monitoring of the compost quality and immune responses in three earthworm species: Eisenia fetida, Eisenia andrei and Dendrobaena veneta." Bioresource Technology 241, no. : 103-112.