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Water---- and nutrient and energy---- systems in urbanizing watersheds

Rodrigo VILLARROEL WALKER, Michael Bruce BECK, Jim W. HALL

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 596-611 doi: 10.1007/s11783-012-0445-4

Abstract: separate out the water infrastructure and water metabolism of cities from their intimately inter-related nutrientand energy metabolisms.challenges) deriving from adopting this broader, multi-sectoral “systems” perspective on addressing water-nutrient-energyperspective resonates with the growing interest in broader policy circles in what is called the “water-food-energybeing initiated — for example, on Kathmandu, Nepal — we close by reflecting upon these issues of water-nutrient-energy

Keywords： cities     climate change     energy sector     nutrient sector     systems analysis     resource recovery     water-food-energy    

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On water security, sustainability, and the water-food-energy-climate nexus

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 626-639 doi: 10.1007/s11783-013-0548-6

Abstract: The role of water security in sustainable development and in the nexus of water, food, energy and climatei.e. privileged, in thinking about what is key in achieving security around the nexus of water, food, energyCities, of course, are locations where demands for these multiple resource-energy flows are increasingly

Keywords： cities as forces for good     diversity     energy and nutrient recovery     green economy     infrastructure failure    

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Technologies for pollutant removal and resource recovery from blackwater: a review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1683-3

Abstract:

● Blackwater is the main source of organics and nutrients in domestic wastewater.

Keywords： Blackwater     Water-flushing toilet     Sanitation     Nutrient recovery     Water reuse     Sustainable development    

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Sea salt bittern-driven forward osmosis for nutrient recovery from black water: A dual waste-to-resource

Wenchao Xue, May Zaw, Xiaochan An, Yunxia Hu, Allan Sriratana Tabucanon

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1211-7

Abstract: . • High quality struvite recovery from black water using FO was demonstrated. • Feed pH is a key factorA dual “waste-to-resource” innovation in nutrient enrichment and recovery from domestic black water usingThe nutrient enrichment was performed using both the pre-filtered influent and effluent of a domesticOver 80% of phosphate-P recovery was achieved from both low- and high-strength black water at a feedThe results suggested a good potential for nutrient recovery based on this dual “waste-to-resource” FO

Keywords： Forward osmosis     Sea salt bittern     Black water     Nutrient recovery     pH    

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Nexus security: governance, innovation and the resilient city

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 640-657 doi: 10.1007/s11783-013-0549-5

Abstract: Case studies include new designs of resilient office blocks, nutrient (nitrogen and phosphorus) recovery

Keywords： cities as forces for good     climate variability     ecosystem services     energy and nutrient recovery     infrastructure    

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Energy neutrality potential of wastewater treatment plants: A novel evaluation framework integratingenergy efficiency and recovery

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1549-0

Abstract:

• Framework of indicators was established based on energy efficiencyand recovery.

Keywords： Wastewater treatment plants     Energy neutrality potential     Energy efficiency     Energy recovery     Evaluation    

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“NEW” resource recovery from wastewater using bioelectrochemical systems: Moving forward with functions

Akshay Jain, Zhen He

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1052-9

Abstract:

Resource recovery from wastewater is a key function of bioelectrochemical

NEW resources to recover include Nutrient, Energy

A mindset for energy performance and system scaling

Keywords： Bioelectrochemical systems     Resource recovery     Wastewater treatment     Energy     Nutrients    

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Improved energy recovery from dark fermented cane molasses using microbial fuel cells

Soumya Pandit, Balachandar G, Debabrata Das

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 43-54 doi: 10.1007/s11705-014-1403-4

Abstract: be overcome by integrating the process with a microbial fuel cell (MFC) which converts the residual energyresults show that integrating a MFC with dark fermentation is a promising way to utilize the substrate energy

Keywords： dark fermentation     biohydrogen     microbial fuel cell     volatile fatty acid     anolyte    

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Managing nutrient for both food security and environmental sustainability in China: an experiment for

Fusuo ZHANG, Zhenling CUI, Weifeng ZHANG

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 1,   Pages 53-61 doi: 10.15302/J-FASE-2014006

Abstract: The first step is to use technology for in-season root-zone nutrient management to significantly increaseThe second is to use technology for integrated nutrient management to increase both yield and NUE by

Keywords： integrated nutrient management     integrated soil-crop system management     environmental protection     food security    

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Co-application of energy uncoupling and ultrafiltration in sludge treatment: Evaluations of sludge reduction, supernatant recovery and membrane fouling control

An Ding, Yingxue Zhao, Zhongsen Yan, Langming Bai, Haiyang Yang, Heng Liang, Guibai Li, Nanqi Ren

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1238-9

Abstract: Suitable dosage retarded biofouling during sludge water recovery by UF membrane.Energy uncoupling is often used for sludge reduction because it is easy to operate and does not requirewas to determine the effect of using a low-pressure ultrafiltration membrane process for sludge water recoveryEnergy uncoupling was found to break apart sludge floc by reducing extracellular polymeric substancesrepresents an effective alternative method for simultaneous sludge reduction and sludge supernatant recovery

Keywords： Sludge reduction     Energy uncoupling     Ultrafiltration membrane     Membrane fouling    

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Organics Recovery from Waste Activated Sludge In-situ Driving Efficient Nitrogen Removal from MatureLandfill Leachate: An Innovative Biotechnology with Energy Superiority

Fangzhai Zhang,Shang Ren,Haoran Liang,Zhaozhi Wang,Ying Yan,Jiahui Wang,Yongzhen Peng,

Engineering doi: 10.1016/j.eng.2023.03.005

Abstract: The sustainable recovery and utilization of sludge bioenergy within a circular economy context has drawnpresents an innovative biotechnology based on free nitrous acid (FNA) to realize sustainable organics recoveryPN/DN–F/DN is of great significance for promoting a paradigm transformation from energy consumption toenergy neutral, specifically, the total benefit in equivalent terms of energy was 291.8 kW·h·t−

Keywords： Waste activated sludge     Bioresource recovery     Simultaneous treatment of wastewater and sludge     Mature landfill    

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HOTSPOTS OF NUTRIENT LOSSES TO AIR AND WATER: AN INTEGRATED MODELING APPROACH FOR EUROPEAN RIVER BASINS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 579-592 doi: 10.15302/J-FASE-2023526

Abstract:

Nutrient pollution of air and water is a persistent problem in Europe.to calculate inputs of nitrogen (N) and phosphorus (P) to land and rivers, N emissions to air, and nutrientthe basin area was considered as pollution hotspots and generated over half of N emissions to air and nutrient

Keywords： agriculture     air-water modeling     European rivers     nutrient pollution     sewage systems     source attribution    

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Sugarcane bagasse amendment improves the quality of green waste vermicompost and the growth of Eisenia fetida

Linlin Cai, Xiangyang Sun, Dan Hao, Suyan Li, Xiaoqiang Gong, Hao Ding, Kefei Yu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1240-2

Abstract: •Earthworms were able to convert green waste into more plant-available nutrients. •The part of heavy metals content increased in the compost added by earthworm. •The addition of SCB to GW did enhance earthworm biomass and humic acid content. •The resulting vermicomposts were characterized by neutral pH and lower EC value. Vermicomposting is a feasible method for disposing of lignocellulosic waste while generating a useful product. The current study assessed the potential of vermicomposting green waste mixed with sugarcane bagasse in proportions of 25%, 50%, and 75% (v:v, based on dry weight). The suitability was evaluated based on the agrochemical properties, earthworm biomass, and phytotoxicity. The final vermicomposts exhibited near-neutral pH values (7.1–7.6), and lower EC values (0.43–0.72 mS/cm) and C:N ratios (14.1–19.9).The content of available nutrients and CEC for all the vermicomposts exceeded those of the control compost (without earthworms). For vermicomposts, the average values of NO3–-N, AP, AK, and CEC were 53, 517, 1362 mg/kg, and 158 cmol/kg, respectively. The total contents of heavy metals increased in all vermicompost treatments compared to control composts with the following average final percentages: Zn (2.0%), Cr (15.5%), Pb (23.4%), and Cu (44.3%), but these amounts were safe for application in agroforestry. The addition of sugarcane bagasse to green waste significantly increased the content of total humic substance, humic acid and urease activity, acid and alkaline phosphatase activity, and Eiseniafetida reproduction. The addition of 25% sugarcane bagasse to green waste decreased the toxicity to germinating seeds. These results revealed that vermicomposting is a feasible way to degrade green waste into a value-added chemical product.

Keywords： Green waste     Earthworms     Sugarcane bagasse     Vermicomposting     Nutrient recovery    

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Recovery and reuse of floc sludge for high-performance capacitors

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1512-5

Abstract:

• The feasibility of facile fabrication of capacitor from floc sludge is discussed.

Keywords： Floc sludge     Porous carbon electrode     Energy storage performance     Supercapacitors    

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Unintended nutrient imbalance induced by wastewater effluent inputs to receiving water and its ecological

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1584-x

Abstract: To date, most efforts to control eutrophication have focused on reductions of external nutrient inputs, yet importance of nutrient stoichiometry and subsequent shift in plankton composition in aquatic ecosystemHowever, control measures are often targeted at and effective in removing a single nutrient from sewageand thus are less effective in removing the others, resulting in the changes of nutrient stoichiometrylong-term strategies for domestic wastewater management should not merely focus on the total reduction of nutrient

Keywords： Nutrient stoichiometry     Wastewater treatment     Ecosystem functioning     Water quality management    

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Title Author Date Type Operation

Water---- and nutrient and energy---- systems in urbanizing watersheds

Rodrigo VILLARROEL WALKER, Michael Bruce BECK, Jim W. HALL

Journal Article

On water security, sustainability, and the water-food-energy-climate nexus

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Journal Article

Technologies for pollutant removal and resource recovery from blackwater: a review

Journal Article

Sea salt bittern-driven forward osmosis for nutrient recovery from black water: A dual waste-to-resource

Wenchao Xue, May Zaw, Xiaochan An, Yunxia Hu, Allan Sriratana Tabucanon

Journal Article

Nexus security: governance, innovation and the resilient city

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Journal Article

Energy neutrality potential of wastewater treatment plants: A novel evaluation framework integratingenergy efficiency and recovery

Journal Article

“NEW” resource recovery from wastewater using bioelectrochemical systems: Moving forward with functions

Akshay Jain, Zhen He

Journal Article

Improved energy recovery from dark fermented cane molasses using microbial fuel cells

Soumya Pandit, Balachandar G, Debabrata Das

Journal Article

Managing nutrient for both food security and environmental sustainability in China: an experiment for

Fusuo ZHANG, Zhenling CUI, Weifeng ZHANG

Journal Article

Co-application of energy uncoupling and ultrafiltration in sludge treatment: Evaluations of sludge reduction, supernatant recovery and membrane fouling control

An Ding, Yingxue Zhao, Zhongsen Yan, Langming Bai, Haiyang Yang, Heng Liang, Guibai Li, Nanqi Ren

Journal Article

Organics Recovery from Waste Activated Sludge In-situ Driving Efficient Nitrogen Removal from MatureLandfill Leachate: An Innovative Biotechnology with Energy Superiority

Fangzhai Zhang,Shang Ren,Haoran Liang,Zhaozhi Wang,Ying Yan,Jiahui Wang,Yongzhen Peng,

Journal Article

HOTSPOTS OF NUTRIENT LOSSES TO AIR AND WATER: AN INTEGRATED MODELING APPROACH FOR EUROPEAN RIVER BASINS

Journal Article

Sugarcane bagasse amendment improves the quality of green waste vermicompost and the growth of Eisenia fetida

Linlin Cai, Xiangyang Sun, Dan Hao, Suyan Li, Xiaoqiang Gong, Hao Ding, Kefei Yu

Journal Article

Recovery and reuse of floc sludge for high-performance capacitors

Journal Article

Unintended nutrient imbalance induced by wastewater effluent inputs to receiving water and its ecological

Journal Article