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Prof. Shu-Yuan Pan
Department of Bioenvironmental Systems Engineering, National Taiwan University, Taiwan (ROC)

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Research Keywords & Expertise

0 Life Cycle Assessment
0 Ecological Engineering
0 System Optimization
0 Waste-to-resource technology
0 Integrated watershed management

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CO2 mineralization
Life Cycle Assessment
Electrokinetic separation

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Review
Published: 09 June 2021 in iScience
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Summary A huge amount of agricultural wastes and waste activated-sludge are being generated every year around the world. Anaerobic co-digestion (AcD) has been considered as an alternative for the utilization of organic matters from such organic wastes by producing bioenergy and biochemicals to realize a circular bioeconomy. Despite recent advancement in AcD processes, the effect of feedstock compositions and operating conditions on the biomethane production processe has not been critically explored. In this paper, we have reviewed the effects of feedstock (organic wastes) characteristics, including particle size, carbon-to-nitrogen ratio, and pretreatment options, on the performance of an anaerobic digestion process. In addition, we provided an overview of the effect of key control parameters, including retention time, temperature, pH of digestate, volatile fatty acids content, total solids content, and organic loading rate. Lastly, based on the findings from the literature, we have presented several perspectives and prospects on priority research to promote AcD to a steppingstone for a circular bioeconomy.

ACS Style

Shu-Yuan Pan; Cheng-Yen Tsai; Chen-Wuing Liu; Sheng-Wei Wang; Hyunook Kim; Chihhao Fan. Anaerobic co-digestion of agricultural wastes toward circular bioeconomy. iScience 2021, 24, 1 .

AMA Style

Shu-Yuan Pan, Cheng-Yen Tsai, Chen-Wuing Liu, Sheng-Wei Wang, Hyunook Kim, Chihhao Fan. Anaerobic co-digestion of agricultural wastes toward circular bioeconomy. iScience. 2021; 24 (7):1.

Chicago/Turabian Style

Shu-Yuan Pan; Cheng-Yen Tsai; Chen-Wuing Liu; Sheng-Wei Wang; Hyunook Kim; Chihhao Fan. 2021. "Anaerobic co-digestion of agricultural wastes toward circular bioeconomy." iScience 24, no. 7: 1.

Research article
Published: 07 June 2021 in ACS Sustainable Chemistry & Engineering
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This study aims at developing adsorption-based cascade separation processes for recovering humic substances (i.e., humin, humic acid, and fulvic acid) and nutrients (i.e., nitrite and phosphate) from real piggery wastewater. The results indicated that both humin and humic acid in wastewater could be completely separated from wastewater by introducing alternate alkaline–acidic chemical extraction. Then, fulvic acid was recovered by ion-exchange adsorption, and the effect of resin-to-wastewater ratios and desorption stages on the recovery of fulvic acid was evaluated. The adsorbed fulvic acid could be almost completely recovered from resins after the fifth stage of desorption. The adsorption kinetics and isotherms for fulvic acid recovery were determined accordingly to obtain the key design parameters, such as rate constants and mass transfer coefficients. Moreover, the simultaneous adsorption of nitrite and phosphate (∼40%) by resins was found to occur, and the remaining nutrients in wastewater should be further recovered by other energy-efficient techniques. A preliminary analysis of economic potential was also conducted to evaluate the cost-effectiveness of the developed process. This study revealed that the developed adsorption-based cascade process exhibited a huge potential, in terms of technical feasibility and economic viability, in separating humic substances from piggery wastewater as biofertilizer products.

ACS Style

Chia-Yang Chen; Wei-Ting Li; Shu-Yuan Pan. Performance Evaluation of Cascade Separation for a Humic Substance and Nutrient Recovery from Piggery Wastewater toward a Circular Bioeconomy. ACS Sustainable Chemistry & Engineering 2021, 9, 8115 -8124.

AMA Style

Chia-Yang Chen, Wei-Ting Li, Shu-Yuan Pan. Performance Evaluation of Cascade Separation for a Humic Substance and Nutrient Recovery from Piggery Wastewater toward a Circular Bioeconomy. ACS Sustainable Chemistry & Engineering. 2021; 9 (24):8115-8124.

Chicago/Turabian Style

Chia-Yang Chen; Wei-Ting Li; Shu-Yuan Pan. 2021. "Performance Evaluation of Cascade Separation for a Humic Substance and Nutrient Recovery from Piggery Wastewater toward a Circular Bioeconomy." ACS Sustainable Chemistry & Engineering 9, no. 24: 8115-8124.

Review
Published: 18 May 2021 in Sustainability
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Biochar is a carbon-rich material prepared from the pyrolysis of biomass under various conditions. Recently, biochar drew great attention due to its promising potential in climate change mitigation, soil amendment, and environmental control. Obviously, biochar can be a beneficial soil amendment in several ways including preventing nutrients loss due to leaching, increasing N and P mineralization, and enabling the microbial mediation of N2O and CO2 emissions. However, there are also conflicting reports on biochar effects, such as water logging and weathering induced change of surface properties that ultimately affects microbial growth and soil fertility. Despite the voluminous reports on soil and biochar properties, few studies have systematically addressed the effects of biochar on the sequestration of carbon, nitrogen, and phosphorus in soils. Information on microbially-mediated transformation of carbon (C), nitrogen (N), and phosphorus (P) species in the soil environment remains relatively uncertain. A systematic documentation of how biochar influences the fate and transport of carbon, phosphorus, and nitrogen in soil is crucial to promoting biochar applications toward environmental sustainability. This report first provides an overview on the adsorption of carbon, phosphorus, and nitrogen species on biochar, particularly in soil systems. Then, the biochar-mediated transformation of organic species, and the transport of carbon, nitrogen, and phosphorus in soil systems are discussed. This review also reports on the weathering process of biochar and implications in the soil environment. Lastly, the current knowledge gaps and priority research directions for the biochar-amended systems in the future are assessed. This review focuses on literatures published in the past decade (2009–2021) on the adsorption, degradation, transport, weathering, and transformation of C, N, and P species in soil systems with respect to biochar applications.

ACS Style

Shu-Yuan Pan; Cheng-Di Dong; Jenn-Fang Su; Po-Yen Wang; Chiu-Wen Chen; Jo-Shu Chang; Hyunook Kim; Chin-Pao Huang; Chang-Mao Hung. The Role of Biochar in Regulating the Carbon, Phosphorus, and Nitrogen Cycles Exemplified by Soil Systems. Sustainability 2021, 13, 5612 .

AMA Style

Shu-Yuan Pan, Cheng-Di Dong, Jenn-Fang Su, Po-Yen Wang, Chiu-Wen Chen, Jo-Shu Chang, Hyunook Kim, Chin-Pao Huang, Chang-Mao Hung. The Role of Biochar in Regulating the Carbon, Phosphorus, and Nitrogen Cycles Exemplified by Soil Systems. Sustainability. 2021; 13 (10):5612.

Chicago/Turabian Style

Shu-Yuan Pan; Cheng-Di Dong; Jenn-Fang Su; Po-Yen Wang; Chiu-Wen Chen; Jo-Shu Chang; Hyunook Kim; Chin-Pao Huang; Chang-Mao Hung. 2021. "The Role of Biochar in Regulating the Carbon, Phosphorus, and Nitrogen Cycles Exemplified by Soil Systems." Sustainability 13, no. 10: 5612.

Journal article
Published: 07 May 2021 in Journal of Hazardous Materials
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The accumulation of heavy metals in paddy rice severely impacts the health of consumers and plants. In this study, a systematic approach to source-sink apportionment of copper in paddy fields was developed by considering all bioenvironmental interfaces. Experimental data from two experimental fields (namely Field A and Field B) in the first harvest period was collected. Then, mass-balance-based models with dynamic critical loads were established to evaluate the year of excess for copper. The results indicated that irrigation water contributed the highest portion (96.2–98.8%) of total copper inputs. Under the business-as-usual scenario, the soil copper concentration of Field A and Field B might exceed the Taiwanese national standard within 66 and 24 years, respectively. In addition, alternate wet-dry irrigation was found to be one of the total solutions to reducing copper accumulation in soils by 17–48%. It could also provide a significant reduction of water usage in paddy fields by ~25%, thereby increasing the resilience to extreme climate change events. Lastly, based on the field observations, three improvement strategies on sustaining soil quality towards better agricultural environment were proposed. The connection of copper accumulation in soils with dietary and ecological risks was also briefly illustrated.

ACS Style

Yi-Ho Tseng; Shu-Yuan Pan; Wei-Jhan Syu; Hung-Pin Huang; Chao-Yu Wei; Kung-Hui He. Systematic Approach to Source-Sink Apportionment of Copper in Paddy Fields: Experimental Observation, Dynamic Modelling and Prevention Strategy. Journal of Hazardous Materials 2021, 417, 126045 .

AMA Style

Yi-Ho Tseng, Shu-Yuan Pan, Wei-Jhan Syu, Hung-Pin Huang, Chao-Yu Wei, Kung-Hui He. Systematic Approach to Source-Sink Apportionment of Copper in Paddy Fields: Experimental Observation, Dynamic Modelling and Prevention Strategy. Journal of Hazardous Materials. 2021; 417 ():126045.

Chicago/Turabian Style

Yi-Ho Tseng; Shu-Yuan Pan; Wei-Jhan Syu; Hung-Pin Huang; Chao-Yu Wei; Kung-Hui He. 2021. "Systematic Approach to Source-Sink Apportionment of Copper in Paddy Fields: Experimental Observation, Dynamic Modelling and Prevention Strategy." Journal of Hazardous Materials 417, no. : 126045.

Review article
Published: 26 April 2021 in Water Research
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Due to the growing and diverse demands on water supply, exploitation of non-conventional sources of water has received much attention. Since water consumption for irrigation is the major contributor to total water withdrawal, the utilization of non-conventional sources of water for the purpose of irrigation is critical to assuring the sustainability of water resources. Although numerous studies have been conducted to evaluate and manage non-conventional water sources, little research has reviewed the suitability of available water technologies for improving water quality, so that water reclaimed from non-conventional supplies could be an alternative water resource for irrigation. This article provides a systematic overview of all aspects of regulation, technology and management to enable the innovative technology, thereby promoting and facilitating the reuse of non-conventional water. The study first reviews the requirements for water quantity and quality (i.e., physical, chemical, and biological parameters) for agricultural irrigation. Five candidate sources of non-conventional water were evaluated in terms of quantity and quality, namely rainfall/stormwater runoff, industrial cooling water, hydraulic fracturing wastewater, process wastewater, and domestic sewage. Water quality issues, such as suspended solids, biochemical/chemical oxygen demand, total dissolved solids, total nitrogen, bacteria, and emerging contaminates, were assessed. Available technologies for improving the quality of non-conventional water were comprehensively investigated. The potential risks to plants, human health, and the environment posed by non-conventional water reuse for irrigation are also discussed. Lastly, three priority research directions, including efficient collection of non-conventional water, design of fit-for-purpose treatment, and deployment of energy-efficient processes, were proposed to provide guidance on the potential for future research.

ACS Style

Chia-Yang Chen; Sheng-Wei Wang; Hyunook Kim; Shu-Yuan Pan; Chihhao Fan; Yupo J Lin. Non-conventional water reuse in agriculture: A circular water economy. Water Research 2021, 199, 117193 .

AMA Style

Chia-Yang Chen, Sheng-Wei Wang, Hyunook Kim, Shu-Yuan Pan, Chihhao Fan, Yupo J Lin. Non-conventional water reuse in agriculture: A circular water economy. Water Research. 2021; 199 ():117193.

Chicago/Turabian Style

Chia-Yang Chen; Sheng-Wei Wang; Hyunook Kim; Shu-Yuan Pan; Chihhao Fan; Yupo J Lin. 2021. "Non-conventional water reuse in agriculture: A circular water economy." Water Research 199, no. : 117193.

Journal article
Published: 01 April 2021 in Journal of Materials in Civil Engineering
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Residual hydrated cement powder (HCP) produced from recovering recycled concrete is usually restricted from being directly reused in concrete due to its high water absorption and porous structure. This study aims to enhance the properties of HCP via CO2 treatment. The simultaneous impacts of CO2 treatment and water-to-cement (w/c) ratio on physical properties and microstructure of HCP were studied. The findings showed that carbonation can effectively reduce the porosity of HCP owing to the formation of calcite, and the calcite content increases with increasing w/c ratio. Furthermore, there was a reduction in the 28-day compressive strength of paste specimens containing uncarbonated HCP, while paste containing 5%–20% of carbonated HCP (CHCP) achieved higher strength than the control paste. It is believed that the presence of calcite in CHCP leads to the formation of more stable calcium aluminate monocarbonate. The mass ratio of highly crystalline to poorly crystalline CaCO3 increased with an increase in the replacement level of CHCP, and the w/c ratio exhibited no significant influence at a given replacement ratio.

ACS Style

Hamideh Mehdizadeh; Tung-Chai Ling; Xiongfei Cheng; Shu-Yuan Pan; Kim Hung Mo. CO2 Treatment of Hydrated Cement Powder: Characterization and Application Consideration. Journal of Materials in Civil Engineering 2021, 33, 04021041 .

AMA Style

Hamideh Mehdizadeh, Tung-Chai Ling, Xiongfei Cheng, Shu-Yuan Pan, Kim Hung Mo. CO2 Treatment of Hydrated Cement Powder: Characterization and Application Consideration. Journal of Materials in Civil Engineering. 2021; 33 (4):04021041.

Chicago/Turabian Style

Hamideh Mehdizadeh; Tung-Chai Ling; Xiongfei Cheng; Shu-Yuan Pan; Kim Hung Mo. 2021. "CO2 Treatment of Hydrated Cement Powder: Characterization and Application Consideration." Journal of Materials in Civil Engineering 33, no. 4: 04021041.

Review
Published: 01 March 2021 in Environments
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This review systematically outlines the recent advances in the application of circular bioeconomy technologies for converting agricultural wastewater to value-added resources. The properties and applications of the value-added products from agricultural wastewater are first summarized. Various types of agricultural wastewater, such as piggery wastewater and digestate from anaerobic digestion, are focused on. Next, different types of circular technologies for recovery of humic substances (e.g., humin, humic acids and fulvic acids) and nutrients (e.g., nitrogen and phosphorus) from agricultural wastewater are reviewed and discussed. Advanced technologies, such as chemical precipitation, membrane separation and electrokinetic separation, are evaluated. The environmental benefits of the circular technologies compared to conventional wastewater treatment processes are also addressed. Lastly, the perspectives and prospects of the circular technologies for agricultural wastewater are provided.

ACS Style

Nidhi Mehta; Kinjal Shah; Yu-I Lin; Yongjun Sun; Shu-Yuan Pan. Advances in Circular Bioeconomy Technologies: From Agricultural Wastewater to Value-Added Resources. Environments 2021, 8, 20 .

AMA Style

Nidhi Mehta, Kinjal Shah, Yu-I Lin, Yongjun Sun, Shu-Yuan Pan. Advances in Circular Bioeconomy Technologies: From Agricultural Wastewater to Value-Added Resources. Environments. 2021; 8 (3):20.

Chicago/Turabian Style

Nidhi Mehta; Kinjal Shah; Yu-I Lin; Yongjun Sun; Shu-Yuan Pan. 2021. "Advances in Circular Bioeconomy Technologies: From Agricultural Wastewater to Value-Added Resources." Environments 8, no. 3: 20.

Review article
Published: 18 June 2020 in Water Research
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In this article, we present a critical review of the reported performance of reverse osmosis (RO) and capacitive deionization (CDI) for brackish water (salinity < 5.0 g/L) desalination from the aspects of engineering, energy, economy and environment. We first illustrate the criteria and the key performance indicators to evaluate the performance of brackish water desalination. We then systematically summarize technological information of RO and CDI, focusing on the effect of key parameters on desalination performance, as well as energy-water efficiency, economic costs and environmental impacts (including carbon footprint). We provide in-depth discussion on the interconnectivity between desalination and energy, and the trade-off between kinetics and energetics for RO and CDI as critical factors for comparison. We also critique the results of technical-economic assessment for RO and CDI plants in the context of large-scale deployment, with focus on lifetime-oriented consideration to total costs, balance between energy efficiency and clean water production, and pretreatment/post-treatment requirements. Finally, we illustrate the challenges and opportunities for future brackish water desalination, including hybridization for energy-efficient brackish water desalination, co-removal of specific components in brackish water, and sustainable brine management with innovative utilization. Our study reveals that both RO and CDI should play important roles in water reclamation and resource recovery from brackish water, especially for inland cities or rural regions.

ACS Style

Shu-Yuan Pan; Andrew Z. Haddad; Arkadeep Kumar; Sheng-Wei Wang. Brackish water desalination using reverse osmosis and capacitive deionization at the water-energy nexus. Water Research 2020, 183, 116064 .

AMA Style

Shu-Yuan Pan, Andrew Z. Haddad, Arkadeep Kumar, Sheng-Wei Wang. Brackish water desalination using reverse osmosis and capacitive deionization at the water-energy nexus. Water Research. 2020; 183 ():116064.

Chicago/Turabian Style

Shu-Yuan Pan; Andrew Z. Haddad; Arkadeep Kumar; Sheng-Wei Wang. 2020. "Brackish water desalination using reverse osmosis and capacitive deionization at the water-energy nexus." Water Research 183, no. : 116064.

Journal article
Published: 17 May 2020 in Journal of Hazardous Materials
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Fly ash from municipal solid waste incineration is considered as a hazardous waste, which would raise great threats on environmental safety due to the inherent toxic heavy metals and organic pollutants. In this study, we applied the life cycle assessment to evaluate the thermal plasma vitrification process for stabilization of fly ash from municipal solid waste incineration. We established four scenarios: (i) plasma vitrification, including centralized and off-site plasma treatment, (ii) fuel-based vitrification, (iii) water-washing treatment followed by a rotary kiln, and (iv) conventional solidification and landfill. We found that the environmental impacts, especially toxicity to ecosystem quality and human health, could be significantly reduced by deploying plasma vitrification technology. We also found that centralized plasma vitrification facilities possessing larger treatment capabilities with clean electricity could further reduce the environmental impacts. In contrast, the water-washing treatment exhibited the highest environmental impacts due to the emissions of vaporized heavy metals. Based on the LCA and sensitivity analysis, we confirmed that the thermal plasma vitrification should be considered as an environmentally-friendly solution to sustainable treatment of fly ash from municipal solid waste incineration. Lastly, we provided several perspectives and prospects of plasma vitrification for realizing the sustainable materials management.

ACS Style

Si-Lu Pei; Tse-Lun Chen; Shu-Yuan Pan; Yan-Ling Yang; Zhong-Hua Sun; Yao-Jian Li. Addressing environmental sustainability of plasma vitrification technology for stabilization of municipal solid waste incineration fly ash. Journal of Hazardous Materials 2020, 398, 122959 .

AMA Style

Si-Lu Pei, Tse-Lun Chen, Shu-Yuan Pan, Yan-Ling Yang, Zhong-Hua Sun, Yao-Jian Li. Addressing environmental sustainability of plasma vitrification technology for stabilization of municipal solid waste incineration fly ash. Journal of Hazardous Materials. 2020; 398 ():122959.

Chicago/Turabian Style

Si-Lu Pei; Tse-Lun Chen; Shu-Yuan Pan; Yan-Ling Yang; Zhong-Hua Sun; Yao-Jian Li. 2020. "Addressing environmental sustainability of plasma vitrification technology for stabilization of municipal solid waste incineration fly ash." Journal of Hazardous Materials 398, no. : 122959.

Paper
Published: 25 April 2020 in RSC Advances
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This article applies multiple approaches for evaluating the effect of operating factors on the adsorption of heavy metals from watershed using time-lapse capsules.

ACS Style

Shu-Yuan Pan; Wei-Jhan Syu; Tsun-Kuo Chang; Cheng-Hsun Lee. A multiple model approach for evaluating the performance of time-lapse capsules in trapping heavy metals from water bodies. RSC Advances 2020, 10, 16490 -16501.

AMA Style

Shu-Yuan Pan, Wei-Jhan Syu, Tsun-Kuo Chang, Cheng-Hsun Lee. A multiple model approach for evaluating the performance of time-lapse capsules in trapping heavy metals from water bodies. RSC Advances. 2020; 10 (28):16490-16501.

Chicago/Turabian Style

Shu-Yuan Pan; Wei-Jhan Syu; Tsun-Kuo Chang; Cheng-Hsun Lee. 2020. "A multiple model approach for evaluating the performance of time-lapse capsules in trapping heavy metals from water bodies." RSC Advances 10, no. 28: 16490-16501.

Short communication
Published: 21 April 2020 in Water-Energy Nexus
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Global challenges of reliable energy and clean water presently require concerted approaches in water-energy nexus. Electrochemical methods for water treatment have gathered attraction because of several advantages, such as scalable, modular operations, promising distributed systems, and high energy efficiency. These advantages of electrochemical methods over other water treatment systems make possible to use renewable energy such as photovoltaic solar cells, which might be intermittent in operation but produce enough energy for electrochemical systems. In this communication, we discuss four electrochemical systems (i.e., electrocoagulation, capacitive deionization, electrodialysis, and electrodeionization), powered with photovoltaic systems, for water treatment. We also critically examine the opportunities and challenges in integration of such electrochemical desalination systems with renewable energy for future research in addressing water-energy nexus.

ACS Style

Arkadeep Kumar; Shu-Yuan Pan. Opportunities and challenges of electrochemical water treatment integrated with renewable energy at the water-energy nexus. Water-Energy Nexus 2020, 3, 110 -116.

AMA Style

Arkadeep Kumar, Shu-Yuan Pan. Opportunities and challenges of electrochemical water treatment integrated with renewable energy at the water-energy nexus. Water-Energy Nexus. 2020; 3 ():110-116.

Chicago/Turabian Style

Arkadeep Kumar; Shu-Yuan Pan. 2020. "Opportunities and challenges of electrochemical water treatment integrated with renewable energy at the water-energy nexus." Water-Energy Nexus 3, no. : 110-116.

Review article
Published: 08 April 2020 in Water-Energy Nexus
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In the past few decades, urban flooding and water shortages caused by the rapid expansion of cities and the destruction of construction ecology have been harshly lost. The current ecological rainwater management system is based on the traditional gray infrastructure and cannot effectively solve the water problems of different scales. Sponge city, as an advanced rainwater management technology, plays a vital role in urban transformation and new construction. While building a sponge city, the gray infrastructure will be integrated to form a gray-green infrastructure integration, and the relationship between water and energy in the sponge city will be coordinated. This paper proposes the problems encountered in the transformation of the gray infrastructure of the sponge city to the green infrastructure and the measures to be taken. The integrated indicator system is used to comprehensively evaluate the integration of the gray-green facilities.

ACS Style

Yongjun Sun; Li Deng; Shu-Yuan Pan; Pen-Chi Chiang; Shailesh S. Sable; Kinjal J. Shah. Integration of green and gray infrastructures for sponge city: Water and energy nexus. Water-Energy Nexus 2020, 3, 29 -40.

AMA Style

Yongjun Sun, Li Deng, Shu-Yuan Pan, Pen-Chi Chiang, Shailesh S. Sable, Kinjal J. Shah. Integration of green and gray infrastructures for sponge city: Water and energy nexus. Water-Energy Nexus. 2020; 3 ():29-40.

Chicago/Turabian Style

Yongjun Sun; Li Deng; Shu-Yuan Pan; Pen-Chi Chiang; Shailesh S. Sable; Kinjal J. Shah. 2020. "Integration of green and gray infrastructures for sponge city: Water and energy nexus." Water-Energy Nexus 3, no. : 29-40.

Preprint content
Published: 23 March 2020
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Agricultural wastewater including anaerobic digestate is annually generated in a huge quantity in Taiwan. The management of agricultural wastewater should be emphasized on the recovery and production of value-added resources, such as macronutrients (nitrogen, phosphorus, and potassium), for realizing the circular bioeconomy. In this paper, we will illustrate the development of energy-efficient electrokinetic processes for nutrient recovery from agricultural wastewater. First, we evaluate the performance of electrokinetic separations processes for recovery of macronutrients. We also discuss major challenges in managing nutrient reuse by the developed electrokinetic methods. Then, we elucidate the process chemistry and reaction kinetics by the processes. Lastly, we consider the interconnectivity among water, energy and the produced macronutrients in the context of large-scale deployment.

ACS Style

Shu-Yuan Pan; Chao-Yu Wei; Anwar Jamaal Wade; Po-Chih Tseng. Nutrient Recovery from Agricultural Wastewater by Integrated Electrokinetic Processes. 2020, 1 .

AMA Style

Shu-Yuan Pan, Chao-Yu Wei, Anwar Jamaal Wade, Po-Chih Tseng. Nutrient Recovery from Agricultural Wastewater by Integrated Electrokinetic Processes. . 2020; ():1.

Chicago/Turabian Style

Shu-Yuan Pan; Chao-Yu Wei; Anwar Jamaal Wade; Po-Chih Tseng. 2020. "Nutrient Recovery from Agricultural Wastewater by Integrated Electrokinetic Processes." , no. : 1.

Analysis
Published: 02 March 2020 in Nature Sustainability
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CO2 mineralization and utilization using alkaline solid wastes has been rapidly developed over the last ten years and is considered one of the promising technologies to stabilize solid wastes while combating global warming. Despite the publication of a number of reports evaluating the performance of the processes, no study on the estimation of the global CO2 reduction potential by CO2 mineralization and utilization using alkaline solid wastes has been reported. Here, we estimate global CO2 mitigation potentials facilitated by CO2 mineralization and utilization as a result of accelerated carbonation using various types of alkaline solid wastes in different regions of the world. We find that a substantial amount of CO2 (that is, 4.02 Gt per year) could be directly fixed and indirectly avoided by CO2 mineralization and utilization, corresponding to a reduction in global anthropogenic CO2 emissions of 12.5%. In particular, China exhibits the greatest potential worldwide to implement CO2 mineralization and utilization, where it would account for a notable reduction of up to 19.2% of China’s annual total emissions. Our study reveals that CO2 mineralization and utilization using alkaline solid wastes should be regarded as one of the essential green technologies in the portfolio of strategic global CO2 mitigation.

ACS Style

Shu-Yuan Pan; Yi-Hung Chen; Liang-Shih Fan; Hyunook Kim; Xiang Gao; Tung-Chai Ling; Pen-Chi Chiang; Si-Lu Pei; Guowei Gu. CO2 mineralization and utilization by alkaline solid wastes for potential carbon reduction. Nature Sustainability 2020, 3, 399 -405.

AMA Style

Shu-Yuan Pan, Yi-Hung Chen, Liang-Shih Fan, Hyunook Kim, Xiang Gao, Tung-Chai Ling, Pen-Chi Chiang, Si-Lu Pei, Guowei Gu. CO2 mineralization and utilization by alkaline solid wastes for potential carbon reduction. Nature Sustainability. 2020; 3 (5):399-405.

Chicago/Turabian Style

Shu-Yuan Pan; Yi-Hung Chen; Liang-Shih Fan; Hyunook Kim; Xiang Gao; Tung-Chai Ling; Pen-Chi Chiang; Si-Lu Pei; Guowei Gu. 2020. "CO2 mineralization and utilization by alkaline solid wastes for potential carbon reduction." Nature Sustainability 3, no. 5: 399-405.

Journal article
Published: 30 January 2020 in Science of The Total Environment
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Green chemistry principles (GCP) are comprehensively deployed in industrial management, governmental policy, educational practice, and technology development around the world. Circular economy always aims to balance the economic growth, resource sustainability, and environmental protection. This article offers a highlight on issues of significance within GCP and circular economy, and proposes the integrated strategies for GCP implementation from the aspects of governance, industry and education. At first, we developed a new categorizing system for GCP dividing to (i) pollution and accident prevention, (ii) safety and resource sustainability, and (iii) energy and resource sustainability. To assess the GCP practice towards the circular economy, the implementation of international movement of GCP in worldwide policy, especially those of Canada, China, Germany, Japan, South Korea, Sweden, Taiwan, United States and United Kingdom were reviewed. The policy implementation of GCP practices among governance, industries and education was analyzed. To integrate GCP into the circular economy concept, we also proposed five strategies of priority governance direction as follows: (i) establishment of cross-departmental collaboration, (ii) development of cleaner production and green product, (iii) provision of integrated chemical management system, (iv) implementation of green chemistry education program, and (v) construction of a business model. Finally, we discussed the prospects of disciplinary elements including the establishment of redesign-reduction-recovery-recycle-reuse (5R) practices for wastes reclamation, deployment of water-energy-food nexus with GCP to improve the food security and resource sustainability, and implementation of GCP in the green smart industrial park.

ACS Style

Tse-Lun Chen; Hyunook Kim; Shu-Yuan Pan; Po-Chih Tseng; Yi-Pin Lin; Pen-Chi Chiang. Implementation of green chemistry principles in circular economy system towards sustainable development goals: Challenges and perspectives. Science of The Total Environment 2020, 716, 136998 .

AMA Style

Tse-Lun Chen, Hyunook Kim, Shu-Yuan Pan, Po-Chih Tseng, Yi-Pin Lin, Pen-Chi Chiang. Implementation of green chemistry principles in circular economy system towards sustainable development goals: Challenges and perspectives. Science of The Total Environment. 2020; 716 ():136998.

Chicago/Turabian Style

Tse-Lun Chen; Hyunook Kim; Shu-Yuan Pan; Po-Chih Tseng; Yi-Pin Lin; Pen-Chi Chiang. 2020. "Implementation of green chemistry principles in circular economy system towards sustainable development goals: Challenges and perspectives." Science of The Total Environment 716, no. : 136998.

Journal article
Published: 23 January 2020 in International Journal of Environmental Research and Public Health
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In order to provide the real-time monitoring for identifying the sources of pollution and improving the irrigation water quality management, the integration of continuous automatic sampling techniques and cloud technologies is essential. In this study, we have established an automatic real-time monitoring system for improving the irrigation water quality management, especially for heavy metals such as Cd, Pb, Cu, Ni, Zn, and Cr. As a part of this work, we have first provided several examples on the basic water quality parameters (e.g., pH and electrical conductance) to demonstrate the capacity of data correction by the smart monitoring system, and then evaluated the trend and variance of water quality parameters for different types of monitoring stations. By doing so, the threshold (to initiate early warming) of different water quality parameters could be dynamically determined by the system, and the authorities could be immediately notified for follow-up actions. We have also provided and discussed the representative results from the real-time automatic monitoring system of heavy metals from different monitoring stations. Finally, we have illustrated the implications of the developed smart monitoring system for ensuring the safety of irrigation water in the near future, including integration with automatic sampling for establishing information exchange platform, estimating fluxes of heavy metals to paddy fields, and combining with green technologies for nonpoint source pollution control.

ACS Style

Wei-Jhan Syu; Tsun-Kuo Chang; Shu-Yuan Pan. Establishment of an Automatic Real-Time Monitoring System for Irrigation Water Quality Management. International Journal of Environmental Research and Public Health 2020, 17, 737 .

AMA Style

Wei-Jhan Syu, Tsun-Kuo Chang, Shu-Yuan Pan. Establishment of an Automatic Real-Time Monitoring System for Irrigation Water Quality Management. International Journal of Environmental Research and Public Health. 2020; 17 (3):737.

Chicago/Turabian Style

Wei-Jhan Syu; Tsun-Kuo Chang; Shu-Yuan Pan. 2020. "Establishment of an Automatic Real-Time Monitoring System for Irrigation Water Quality Management." International Journal of Environmental Research and Public Health 17, no. 3: 737.

Research article
Published: 20 January 2020 in Industrial & Engineering Chemistry Research
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An integrated reclaimed process of refining slag with calcium-containing wastewater for CO2 mineralization and utilization by using a high-gravity carbonation process was proposed in this study. The effect of various liquid agents on calcium ion leaching behavior from the refining slag was determined and the mass-loss method was used to evaluate the leaching kinetics. The influence of different high gravity factor and liquid-to-solid ratio on carbonation conversions were investigated and the reaction kinetics were identified via surface coverage model. The efficacy of refining slag utilized as supplementary cementitious materials including workability and mechanical strength was assessed. The morphological, mineralogical and thermal analyses were carried out and the results revealed the presence of calcite to support the carbonation theory. The results of maximal CO2 capture capacity of 0.183 g CO2 per g slag and performance of carbonated slag utilization with 5% and 10% substitution ratio confirmed the feasibility of the integrated reclaimed process.

ACS Style

Tse-Lun Chen; Wen Jiang; Ai-Lin Shen; Yi-Hung Chen; Shu-Yuan Pan; Pen-Chi Chiang. CO2 Mineralization and Utilization Using Various Calcium-Containing Wastewater and Refining Slag via a High-Gravity Carbonation Process. Industrial & Engineering Chemistry Research 2020, 59, 7140 -7150.

AMA Style

Tse-Lun Chen, Wen Jiang, Ai-Lin Shen, Yi-Hung Chen, Shu-Yuan Pan, Pen-Chi Chiang. CO2 Mineralization and Utilization Using Various Calcium-Containing Wastewater and Refining Slag via a High-Gravity Carbonation Process. Industrial & Engineering Chemistry Research. 2020; 59 (15):7140-7150.

Chicago/Turabian Style

Tse-Lun Chen; Wen Jiang; Ai-Lin Shen; Yi-Hung Chen; Shu-Yuan Pan; Pen-Chi Chiang. 2020. "CO2 Mineralization and Utilization Using Various Calcium-Containing Wastewater and Refining Slag via a High-Gravity Carbonation Process." Industrial & Engineering Chemistry Research 59, no. 15: 7140-7150.

Research article
Published: 08 January 2020 in Environmental Science & Technology
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The presented work aims to develop a novel and sustainable approach to adsorb and recover the low-concentration Hg0 in the off-gas downstream a distillation/condensation system in the recycling processes for waste Hg-containing devices. Hg0 adsorption and regeneration efficiency of raw and HNO3-treated activated carbon fiber cloth (ACFC) were examined. The adsorption experiments were conducted with an initial Hg0 concentration of 260‒300 µg/m3 at room temperature. The regeneration of ACFC was done by an electrothermal swing process with 20, 40, and 60 W direct current. The experimental results showed that the Hg0 adsorption efficiency of raw ACFC increased to approximately 90% after 60-W electrothermal regeneration. After HNO3 treatment, the content of oxygen functional groups on HNO3-treated ACFC increased, which enhanced the Hg0 adsorption performance and resulted in over 90% of adsorption efficiency for the samples before and after electrothermal regeneration. Importantly, both raw and HNO3-treated ACFCs remained high adsorption efficiency after nine cycles of adsorption/regeneration, indicating that both raw and HNO3-treated ACFCs were effective and renewable adsorbents for low-concentration Hg0 adsorption and recovery. A Hg adsorption/regeneration mechanism was proposed to explain the increasing adsorption efficiency after electrothermal regeneration and the great adsorption efficiency of HNO3-treated ACFC.

ACS Style

Bing-Ci Chen; Cheng-Yen Tsai; Shu-Yuan Pan; Yu-Ting Chen; Hsing-Cheng Hsi. Sustainable Recovery of Gaseous Mercury by Adsorption and Electrothermal Desorption Using Activated Carbon Fiber Cloth. Environmental Science & Technology 2020, 54, 1857 -1866.

AMA Style

Bing-Ci Chen, Cheng-Yen Tsai, Shu-Yuan Pan, Yu-Ting Chen, Hsing-Cheng Hsi. Sustainable Recovery of Gaseous Mercury by Adsorption and Electrothermal Desorption Using Activated Carbon Fiber Cloth. Environmental Science & Technology. 2020; 54 (3):1857-1866.

Chicago/Turabian Style

Bing-Ci Chen; Cheng-Yen Tsai; Shu-Yuan Pan; Yu-Ting Chen; Hsing-Cheng Hsi. 2020. "Sustainable Recovery of Gaseous Mercury by Adsorption and Electrothermal Desorption Using Activated Carbon Fiber Cloth." Environmental Science & Technology 54, no. 3: 1857-1866.

Journal article
Published: 28 November 2019 in Journal of Environmental Management
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In this study, a high-gravity (HiGee) process incorporating CO2 and NOx reduction from flue gas in a petrochemical plant coupled with petroleum coke fly ash (PCFA) treatment was established. The performance of HiGee was systematically evaluated from the engineering, environmental, economic, and energy aspects (a total of 15 key performance indicators) to establish the air pollution, energy efficiency, waste utilization nexus. The engineering performance was evaluated that lower energy consumption of 78 kWh/t-CO2 can be achieved at a capture capacity of 600 kg CO2/t-PCFA. A net emission reduction of 327.3 kg-CO2/t-PCFA could be determined based on six environmental impact indicators. A cost-benefit analysis was conducted using operating cost, product sale, carbon credit, and savings in air pollution fees to present a better technological selection compared to existing carbon capture and storage plants. The waste heat recovery from the flue gas via the HiGee process could be measured via moisture condensation and attendant elimination of white smog emissions. Retrofitted heat recovery and energy intensity up to 131.8 kJ/t-PCFA and 0.21 kWh/t-PCFA were assessed. Finally, a comprehensive analysis of the HiGee process based on three daily load scenarios of CO2 capture scale were conducted, suggesting an optimal operating condition of the HiGee for generating profitability.

ACS Style

Tse-Lun Chen; Si-Lu Pei; Shu-Yuan Pan; Chia-Yii Yu; Chen-Lu Chang; Pen-Chi Chiang. An engineering-environmental-economic-energy assessment for integrated air pollutants reduction, CO2 capture and utilization exemplified by the high-gravity process. Journal of Environmental Management 2019, 255, 109870 .

AMA Style

Tse-Lun Chen, Si-Lu Pei, Shu-Yuan Pan, Chia-Yii Yu, Chen-Lu Chang, Pen-Chi Chiang. An engineering-environmental-economic-energy assessment for integrated air pollutants reduction, CO2 capture and utilization exemplified by the high-gravity process. Journal of Environmental Management. 2019; 255 ():109870.

Chicago/Turabian Style

Tse-Lun Chen; Si-Lu Pei; Shu-Yuan Pan; Chia-Yii Yu; Chen-Lu Chang; Pen-Chi Chiang. 2019. "An engineering-environmental-economic-energy assessment for integrated air pollutants reduction, CO2 capture and utilization exemplified by the high-gravity process." Journal of Environmental Management 255, no. : 109870.

Journal article
Published: 01 November 2019 in Journal of Cleaner Production
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Zhaoyang You; Shu-Yuan Pan; Ning Sun; Hyunook Kim; Pen-Chi Chiang. Enhanced corn-stover fermentation for biogas production by NaOH pretreatment with CaO additive and ultrasound. Journal of Cleaner Production 2019, 238, 1 .

AMA Style

Zhaoyang You, Shu-Yuan Pan, Ning Sun, Hyunook Kim, Pen-Chi Chiang. Enhanced corn-stover fermentation for biogas production by NaOH pretreatment with CaO additive and ultrasound. Journal of Cleaner Production. 2019; 238 ():1.

Chicago/Turabian Style

Zhaoyang You; Shu-Yuan Pan; Ning Sun; Hyunook Kim; Pen-Chi Chiang. 2019. "Enhanced corn-stover fermentation for biogas production by NaOH pretreatment with CaO additive and ultrasound." Journal of Cleaner Production 238, no. : 1.