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Suvi Kuittinen
School of Forest Sciences, University of Eastern Finland, Yliopistokatu 7, P.O. Box 111, 80100 Joensuu, Finland

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Journal article
Published: 22 August 2021 in Water
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In many Baltic regions, short-rotation willow (Salix spp.) is used as a vegetation filter for wastewater treatment and recycling of valuable nutrients to upsurge bioeconomy development. In this context, a four-year field trial (2016–2019) was carried out near a wastewater treatment plant in eastern Finland (Outokumpu) to investigate the effect of the processed wastewater (WW) on biomass production as well as the nutrients uptake capability (mainly N and P) by a willow variety (Salix schwerinii). Results indicated that WW irrigation expressively increased the willow diameter growth and biomass yield around 256% and 6510%, respectively, compared to the control treatment site (without WW). The willow was also able to accumulate approximately 41–60% of the N and 32–50% of the P in two years (2018–2019). Overall, willow showed a total 20% mortality rate under WW irrigation throughout the growing periods (2017–2019) as compared to control (39%). The results demonstrate that willow has the potential to control eutrophication (reducing nutrients load) from the wastewater with the best survival rate and can provide high biomass production for bioenergy generations in cold climatic conditions.

ACS Style

Muhammad Mohsin; Erik Kaipiainen; Mir Md Abdus Salam; Nikolai Evstishenkov; Nicole Nawrot; Aki Villa; Ewa Wojciechowska; Suvi Kuittinen; Ari Pappinen. Biomass Production and Removal of Nitrogen and Phosphorus from Processed Municipal Wastewater by Salix schwerinii: A Field Trial. Water 2021, 13, 2298 .

AMA Style

Muhammad Mohsin, Erik Kaipiainen, Mir Md Abdus Salam, Nikolai Evstishenkov, Nicole Nawrot, Aki Villa, Ewa Wojciechowska, Suvi Kuittinen, Ari Pappinen. Biomass Production and Removal of Nitrogen and Phosphorus from Processed Municipal Wastewater by Salix schwerinii: A Field Trial. Water. 2021; 13 (16):2298.

Chicago/Turabian Style

Muhammad Mohsin; Erik Kaipiainen; Mir Md Abdus Salam; Nikolai Evstishenkov; Nicole Nawrot; Aki Villa; Ewa Wojciechowska; Suvi Kuittinen; Ari Pappinen. 2021. "Biomass Production and Removal of Nitrogen and Phosphorus from Processed Municipal Wastewater by Salix schwerinii: A Field Trial." Water 13, no. 16: 2298.

Review
Published: 12 August 2021 in Minerals
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This paper provides an overview of different methods of assessing the trace metal (TM) contamination status of sediments affected by anthropogenic interference. The geochemical background determination methods are also described. A total of 25 papers covering rivers, lakes, and retention tanks sediments in areas subjected to anthropogenic pressure from the last three years (2019, 2020, and 2021) were analysed to support our examination of the assessment measures. Geochemical and ecotoxicological classifications are presented that may prove useful for sediment evaluation. Among the geochemical indices, several individual pollution indices (CF, Igeo, EF, Pi (SPI), PTT), complex pollution indices (PLI, Cdeg, mCdeg, Pisum, PIAvg, PIaAvg, PIN, PIProd, PIapProd, PIvectorM, PINemerow, IntPI, MPI), and geochemical classifications are compared. The ecotoxicological assessment includes an overview of Sediment Quality Guidelines (SQG) and classifications introduced nationally (as LAWA or modified LAWA). The ecotoxicological indices presented in this review cover individual (ERi) and complex indices (CSI, SPI, RAC, PERI, MERMQ). Biomonitoring of contaminated sites based on plant bioindicators is extensively explored as an indirect method for evaluating pollution sites. The most commonly used indices in the reviewed papers were Igeo, EF, and CF. Many authors referred to ecotoxicological assessment via SQG. Moreover, PERI, which includes the toxic response index, was just as popular. The most recognised bioindicators include the Phragmites and Salix species. Phragmites can be considered for Fe, Cu, Cd, and Ni bioindication in sites, while Salix hybrid cultivars such as Klara may be considered for phytostabilisation and rhizofiltration due to higher Cu, Zn, and Ni accumulation in roots. Vetiveria zizanoides demonstrated resistance to As stress and feasibility for the remediation of As. Moreover, bioindicators offer a feasible tool for recovering valuable elements for the development of a circular economy (e.g., rare earth elements).

ACS Style

Nicole Nawrot; Ewa Wojciechowska; Muhammad Mohsin; Suvi Kuittinen; Ari Pappinen; Shahabaldin Rezania. Trace Metal Contamination of Bottom Sediments: A Review of Assessment Measures and Geochemical Background Determination Methods. Minerals 2021, 11, 872 .

AMA Style

Nicole Nawrot, Ewa Wojciechowska, Muhammad Mohsin, Suvi Kuittinen, Ari Pappinen, Shahabaldin Rezania. Trace Metal Contamination of Bottom Sediments: A Review of Assessment Measures and Geochemical Background Determination Methods. Minerals. 2021; 11 (8):872.

Chicago/Turabian Style

Nicole Nawrot; Ewa Wojciechowska; Muhammad Mohsin; Suvi Kuittinen; Ari Pappinen; Shahabaldin Rezania. 2021. "Trace Metal Contamination of Bottom Sediments: A Review of Assessment Measures and Geochemical Background Determination Methods." Minerals 11, no. 8: 872.

Journal article
Published: 25 January 2021 in Journal of Cleaner Production
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The sustainability of transportation biofuel production value chains is under discussion as a consequence of the implementation of the European Union Bioeconomy Strategy and renewable energy production. Greenhouse gas emissions from the biomass produced for biofuel, and the energy required during the production process are, in many cases, greater than the emission reductions from the biofuels that are produced and used to replace fossil fuels. In this study, the sustainability of bioethanol production from short rotation coppice Salix schwerinii was considered from cultivation and harvesting to biofuel production and distribution. The sustainability of the full value chain was evaluated according to the European Union Renewable Energy Directive and calculations of greenhouse gas emission savings (%) from biofuel production were compared to a reference fossil fuel (gasoline). For comparison, four bioethanol production scenarios were developed, and specific attention was focused on the utilization of waste-based organic fertilizers (for biomass production) and on carbon dioxide capture at the fermentation stage, and their effects on value chain greenhouse gas emissions. Based on our evaluation, Salix bioethanol production achieved 60% emission savings compared to the fossil reference (requirement for installations that will commence operations until end of December 2020). When waste based organic fertilizers were used in the Salix biomass production, 65% emission savings were achieved (requirement for the installations that will commence operations from 2021). Moreover, the value chain sustainability and greenhouse gas emissions balance were improved by the carbon dioxide captured during the bioethanol fermentation stage.

ACS Style

Suvi Kuittinen; Jenna Hietaharju; Laura Kupiainen; Kamrul Hassan; Ming Yang; Erik Kaipiainen; Aki Villa; Jani Kangas; Markku Keinänen; Jouko Vepsäläinen; Ari Pappinen. Bioethanol production from short rotation S. schwerinii E. Wolf is carbon neutral with utilization of waste-based organic fertilizer and process carbon dioxide capture. Journal of Cleaner Production 2021, 293, 126088 .

AMA Style

Suvi Kuittinen, Jenna Hietaharju, Laura Kupiainen, Kamrul Hassan, Ming Yang, Erik Kaipiainen, Aki Villa, Jani Kangas, Markku Keinänen, Jouko Vepsäläinen, Ari Pappinen. Bioethanol production from short rotation S. schwerinii E. Wolf is carbon neutral with utilization of waste-based organic fertilizer and process carbon dioxide capture. Journal of Cleaner Production. 2021; 293 ():126088.

Chicago/Turabian Style

Suvi Kuittinen; Jenna Hietaharju; Laura Kupiainen; Kamrul Hassan; Ming Yang; Erik Kaipiainen; Aki Villa; Jani Kangas; Markku Keinänen; Jouko Vepsäläinen; Ari Pappinen. 2021. "Bioethanol production from short rotation S. schwerinii E. Wolf is carbon neutral with utilization of waste-based organic fertilizer and process carbon dioxide capture." Journal of Cleaner Production 293, no. : 126088.

Journal article
Published: 22 October 2020 in BioResources
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The pulp and paper industry produces a diverse range of side-streams from multi-stage processes, but these remain underutilized despite their high potential for use as biofuels. This study investigated acetone-butanol-ethanol (ABE) fermentation by Clostridium acetobutylicum DSM 1731 from the side-streams of three different stages of the pulp and paper manufacturing process (PI, PII, and PIII). Biomass specimens with and without water washing were pretreated with 0.2% H2SO4 at 180 °C for 10 min, followed by enzymatic hydrolysis, to obtain fermentable sugars. The results showed that the produced ABE solvent concentrations were 12.8 g/L, 5.2 g/L, and 6.3 g/L from PI, PII, and PIII, respectively. The butanol yields of PI, PII, and PIII were 0.25, 0.18, and 0.19 g/g sugars, respectively. Among the tested side-streams, PI was shown to have potential as a feedstock for butanol production without prewashing prior to dilute acid pretreatment, enzymatic hydrolysis, and microbial fermentation.

ACS Style

Sandra Sandar; Ming Yang; Ossi Turunen; Jouko Vepsäläinen; Ari Pappinen; Suvi Kuittinen. Acetone-butanol-ethanol fermentation from different pulp and paper manufacturing process side-streams. BioResources 2020, 15, 1 .

AMA Style

Sandra Sandar, Ming Yang, Ossi Turunen, Jouko Vepsäläinen, Ari Pappinen, Suvi Kuittinen. Acetone-butanol-ethanol fermentation from different pulp and paper manufacturing process side-streams. BioResources. 2020; 15 (4):1.

Chicago/Turabian Style

Sandra Sandar; Ming Yang; Ossi Turunen; Jouko Vepsäläinen; Ari Pappinen; Suvi Kuittinen. 2020. "Acetone-butanol-ethanol fermentation from different pulp and paper manufacturing process side-streams." BioResources 15, no. 4: 1.

Journal article
Published: 27 August 2020 in Forests
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This study assesses the wood waste generation, its management practices, and its effects on the forests in Ghana. The rate of logging in Ghana has increased and this can be attributed to the increase in the establishment of Sawmilling companies in the country. Increased in the installation of sawmilling companies has increased the sawn timber production. The use of outmoded milling machines has led to an increase in waste generation. An increase in production has led to an increase in the annual allowable cut in the country, which has overrun the limit of sustainable forestry. A qualitative research method was employed for the research work. A well-structured questionnaire was administered to the study to solicit the views of the wood industries about wood waste generation and its management practices. The study population comprised of 50 sawmilling companies. From the data collected, it was observed that most of the timber production companies do not know how to manage the waste generated and the waste is left un-utilized. In general 80% of the timber production companies responded that they have an idea of wood waste management but do not have the technical know-how to manage the waste. It was observed that 80% of the timber production companies do not manage the waste they generate during their operations. Wood shavings, sawdust, wood slabs, offcuts, branches, and others are left un-utilized. From the observations made in the visited sawmills, chunks of waste are generated on the site. The fact that the wood which is un-utilized (waste) and the wood, which is utilized as sold products, are equal in cost to the company which highlights the poor material and cost-efficiency. Wood industry materials and cost efficiency, together with waste management practices and their contribution to deforestation in the country, are discussed.

ACS Style

Obed Asamoah; Suvi Kuittinen; Jones Abrefa Danquah; Ebo Tawiah Quartey; Dastan Bamwesigye; Charles Mario Boateng; Ari Pappinen. Assessing Wood Waste by Timber Industry as a Contributing Factor to Deforestation in Ghana. Forests 2020, 11, 939 .

AMA Style

Obed Asamoah, Suvi Kuittinen, Jones Abrefa Danquah, Ebo Tawiah Quartey, Dastan Bamwesigye, Charles Mario Boateng, Ari Pappinen. Assessing Wood Waste by Timber Industry as a Contributing Factor to Deforestation in Ghana. Forests. 2020; 11 (9):939.

Chicago/Turabian Style

Obed Asamoah; Suvi Kuittinen; Jones Abrefa Danquah; Ebo Tawiah Quartey; Dastan Bamwesigye; Charles Mario Boateng; Ari Pappinen. 2020. "Assessing Wood Waste by Timber Industry as a Contributing Factor to Deforestation in Ghana." Forests 11, no. 9: 939.

Journal article
Published: 04 August 2020 in Forest Policy and Economics
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The aim of the study was to evaluate the current level of awareness, implementation and need for knowledge of game-oriented forest management (GOFM) among forest owners and professionals. This information is necessary to understand the grounds for improving awareness and implementation of new forest management guidelines and to evaluate suitable policy instruments for the future. The study joins the body of research on innovation diffusion and institutional adaptation, in regard to new forest management methods. Our results from Finland indicated that a high proportion of forest owners have not adopted GOFM, despite the information provided. A wider implementation of the method might require other knowledge dissemination methods, such as providing tangible examples and peer learning to forest owners. The role of forest professionals as change agents was seen to be important for the generalization of GOFM among forest owners and inside institutions. The observed level of awareness of GOFM and its implementation among forest owners, and the engagement of professionals reflects a situation where the informing process is ongoing, and where the forestry advisors need tools to engage forest owners more effectively. At the same time, it is difficult to estimate the effectiveness of the voluntary-based approach of GOFM. In this study, the double sampling design removed volunteer bias and increased the reliability of the results.

ACS Style

Piia Ikonen; Mirja Rantala; Janne Miettinen; Suvi Kuittinen; Teppo Hujala; Lauri Mehtätalo; Ari Pappinen. Grounds for improving the implementation of game-oriented forest management – A double sampling survey of Finnish forest owners and professionals. Forest Policy and Economics 2020, 119, 102266 .

AMA Style

Piia Ikonen, Mirja Rantala, Janne Miettinen, Suvi Kuittinen, Teppo Hujala, Lauri Mehtätalo, Ari Pappinen. Grounds for improving the implementation of game-oriented forest management – A double sampling survey of Finnish forest owners and professionals. Forest Policy and Economics. 2020; 119 ():102266.

Chicago/Turabian Style

Piia Ikonen; Mirja Rantala; Janne Miettinen; Suvi Kuittinen; Teppo Hujala; Lauri Mehtätalo; Ari Pappinen. 2020. "Grounds for improving the implementation of game-oriented forest management – A double sampling survey of Finnish forest owners and professionals." Forest Policy and Economics 119, no. : 102266.

Review article
Published: 29 September 2019 in Energy Conversion and Management
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Lignocellulosic biomass (LCB), the most abundant renewable feedstock for bioenergy generation, is commonly converted to second generation bioalcohols, the main drop-in fuels for petroleum gasoline, through three technologies based on sugar, carboxylic acid and syngas platforms. The hybridization of either any two or three platforms altogether is a novel concept aimed at improvement of yield and quality (high heating value) of bioalcohols. This article reviews the present status of the integration techniques of hybrid platforms with an overall assessment of their advancement with respect to their individual counterpart as well as the challenges involved. It has been indicated that to extract the maximum benefit of hybridization, research studies should be spurred in the fields of kinetic analysis of all thermochemical and biochemical processes, microbial interaction, optimization of process parameters (pH, temperature), performance analysis of engine for the utilization of mixed product bioalcohols, sustainability analysis through the development of mathematical models for lab-scale operations and process simulation models for large scale units along with life cycle assessment. Moreover, pyrolysis of LCB has been identified as a unique central process for the supply of all intermediate compounds, namely, sugar, carboxylic acid and syngas during the hybrid networking of three platform technologies. In this context, the scheme of CONVER-B, a joint research project under the INNO-INDIGO partnership program, aiming at sustainable integration of the platforms to produce bio-alcohols from LCBs leaving zero effluent simultaneously with carbon sequestration potential has been introduced and discussed.

ACS Style

Ranjana Chowdhury; Shiladitya Ghosh; Dinabandhu Manna; Sumona Das; Sambit Dutta; Sabine Kleinsteuber; Heike Sträuber; Kamrul Hassan; Suvi Kuittinen; Ari Pappinen. Hybridization of sugar-carboxylate-syngas platforms for the production of bio-alcohols from lignocellulosic biomass (LCB) – A state-of-the-art review and recommendations. Energy Conversion and Management 2019, 200, 112111 .

AMA Style

Ranjana Chowdhury, Shiladitya Ghosh, Dinabandhu Manna, Sumona Das, Sambit Dutta, Sabine Kleinsteuber, Heike Sträuber, Kamrul Hassan, Suvi Kuittinen, Ari Pappinen. Hybridization of sugar-carboxylate-syngas platforms for the production of bio-alcohols from lignocellulosic biomass (LCB) – A state-of-the-art review and recommendations. Energy Conversion and Management. 2019; 200 ():112111.

Chicago/Turabian Style

Ranjana Chowdhury; Shiladitya Ghosh; Dinabandhu Manna; Sumona Das; Sambit Dutta; Sabine Kleinsteuber; Heike Sträuber; Kamrul Hassan; Suvi Kuittinen; Ari Pappinen. 2019. "Hybridization of sugar-carboxylate-syngas platforms for the production of bio-alcohols from lignocellulosic biomass (LCB) – A state-of-the-art review and recommendations." Energy Conversion and Management 200, no. : 112111.

Article
Published: 19 November 2015 in BioEnergy Research
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The present study investigated the ability of pressurized microwave pretreatment to convert softwood lignocellulose to fermentable monosaccharides. Norway spruce lignocellulose was subjected to microwave pretreatment (600 and 1200 W) under high pressure at different temperatures. Microwave pretreatment at mild acid concentrations (0.05–0.1 % H2SO4), temperatures of 170 and 200 °C, and a very short incubation time (5 min) released 84–100 % of hemicellulosic monosaccharides (mannose, galactose, and xylose). In addition, minimal amounts of degradation products (5-(hydroxymethyl)-2-furaldehyde, levulinic acid) were formed. The highest yield of fermentable sugars was 75 %, after both the pressurized microwave pretreatment with conditions 0.05 % H2SO4/600 W/200 °C/5 min and enzymatic hydrolysis with 20 FPU Celluclast 1.5 L, 400 nkat of Novozyme 188, and polyethyleneglycol (PEG) 4000 (0.3 g/g of pretreated material). Results showed that already 0.05 % H2SO4 used in microwave pretreatment could effectively liberate hemicellulose monosaccharides without serious monosaccharide degradation and form a basis for enzymatic hydrolysis.

ACS Style

S. Kuittinen; Y. Puentes Rodriguez; M. Yang; M. Keinänen; O. Pastinen; M. Siika-Aho; O. Turunen; A. Pappinen. Effect of Microwave-Assisted Pretreatment Conditions on Hemicellulose Conversion and Enzymatic Hydrolysis of Norway Spruce. BioEnergy Research 2015, 9, 344 -354.

AMA Style

S. Kuittinen, Y. Puentes Rodriguez, M. Yang, M. Keinänen, O. Pastinen, M. Siika-Aho, O. Turunen, A. Pappinen. Effect of Microwave-Assisted Pretreatment Conditions on Hemicellulose Conversion and Enzymatic Hydrolysis of Norway Spruce. BioEnergy Research. 2015; 9 (1):344-354.

Chicago/Turabian Style

S. Kuittinen; Y. Puentes Rodriguez; M. Yang; M. Keinänen; O. Pastinen; M. Siika-Aho; O. Turunen; A. Pappinen. 2015. "Effect of Microwave-Assisted Pretreatment Conditions on Hemicellulose Conversion and Enzymatic Hydrolysis of Norway Spruce." BioEnergy Research 9, no. 1: 344-354.