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Electrochemical Nitrogen Recovery Fr...

Kogler, Anna,

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Electrochemical Nitrogen Recovery From Wastewater: Fate of Organics, Long-Term Robustness Within Treatment Trains, and Product Diversification /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Electrochemical Nitrogen Recovery From Wastewater: Fate of Organics, Long-Term Robustness Within Treatment Trains, and Product Diversification // Anna Kogler.
作者:	Kogler, Anna,
面頁冊數:	1 electronic resource (393 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-04, Section: B.
Contained By:	Dissertations Abstracts International86-04B.
標題:	Reactors. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31591775
ISBN:	9798342125598

Electrochemical Nitrogen Recovery From Wastewater: Fate of Organics, Long-Term Robustness Within Treatment Trains, and Product Diversification /
Kogler, Anna,

Electrochemical Nitrogen Recovery From Wastewater: Fate of Organics, Long-Term Robustness Within Treatment Trains, and Product Diversification /Anna Kogler. - 1 electronic resource (393 pages)

Source: Dissertations Abstracts International, Volume: 86-04, Section: B.

Nutrients (nitrogen and phosphorus) in wastewater have negative environmental, human health, and economic impacts, but are valuable components of fertilizers and other industrial chemicals. Nutrient management currently relies on energy- and chemical-intensive processes that remove nutrients from wastewater to prevent negative environmental impacts. Shifting from this removal approach to nutrient recovery from wastewater can create resource-efficient, circular systems that support increased sanitation access and greater equity in resource access. Electrochemical nitrogen recovery technologies, which are modular, easily automated, and multi-functional, can enable such circular systems but require further investigation guided by both existing research and practitioner needs for scale-up and implementation.Chapter 2 of this dissertation presents a systematic literature review on nutrient removal and recovery technologies combined with engagement of wastewater practitioners. A framework for reporting and comparing diverse nutrient technologies was proposed. Synthesizing peer-reviewed literature and practitioner input allowed prioritizing knowledge gaps and barriers to implementation into a research agenda that addresses the most reported gaps, presents performance metrics relevant to practice, and centers systemslevel evaluations. Guided by the findings in Chapter 2, Chapters 3 through 5 present experimental evaluations of multiple electrochemical nitrogen recovery processes. In Chapter 3, electrochemical stripping was demonstrated to perform consistently for over a month during continuous urine treatment, recovering multiple batches of ammonium sulfate fertilizer. The study also generated insights on process monitoring and reactor component failure during long-term operation. In Chapter 4, the fate of disinfection byproducts was characterized in electrochemical stripping, electrodialysis, and bipolar electrodialysis treating urine. The study indicated that recovered nitrogenous products were largely free of contamination with disinfection byproducts, but mitigation of these contaminants in treated urine and other reactor compartments is crucial for safe implementation of these technologies. In Chapter 5, a novel process, flexible electrochemical stripping, was evaluated during urine treatment. The process facilitated tailored recovery of ammonium sulfate and ammonia using electrochemical operating parameters to control product speciation and to achieve multiple commercially relevant product concentrations.These efforts advance a circular nitrogen economy by demonstrating feasibility of longterm operation, identifying needs and strategies for mitigating harmful byproducts, and enabling tunable recovery of multiple products that can be used as fertilizers, disinfectants, fuels, and feedstocks for chemical synthesis. The findings of this dissertation inform the design of resource-efficient wastewater treatment trains harnessing electrochemical nitrogen recovery to expand access to sanitation, valuable chemicals, and food.

English

ISBN: 9798342125598Subjects--Topical Terms:

3681735
Reactors.

Electrochemical Nitrogen Recovery From Wastewater: Fate of Organics, Long-Term Robustness Within Treatment Trains, and Product Diversification /
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520 $a Nutrients (nitrogen and phosphorus) in wastewater have negative environmental, human health, and economic impacts, but are valuable components of fertilizers and other industrial chemicals. Nutrient management currently relies on energy- and chemical-intensive processes that remove nutrients from wastewater to prevent negative environmental impacts. Shifting from this removal approach to nutrient recovery from wastewater can create resource-efficient, circular systems that support increased sanitation access and greater equity in resource access. Electrochemical nitrogen recovery technologies, which are modular, easily automated, and multi-functional, can enable such circular systems but require further investigation guided by both existing research and practitioner needs for scale-up and implementation.Chapter 2 of this dissertation presents a systematic literature review on nutrient removal and recovery technologies combined with engagement of wastewater practitioners. A framework for reporting and comparing diverse nutrient technologies was proposed. Synthesizing peer-reviewed literature and practitioner input allowed prioritizing knowledge gaps and barriers to implementation into a research agenda that addresses the most reported gaps, presents performance metrics relevant to practice, and centers systemslevel evaluations. Guided by the findings in Chapter 2, Chapters 3 through 5 present experimental evaluations of multiple electrochemical nitrogen recovery processes. In Chapter 3, electrochemical stripping was demonstrated to perform consistently for over a month during continuous urine treatment, recovering multiple batches of ammonium sulfate fertilizer. The study also generated insights on process monitoring and reactor component failure during long-term operation. In Chapter 4, the fate of disinfection byproducts was characterized in electrochemical stripping, electrodialysis, and bipolar electrodialysis treating urine. The study indicated that recovered nitrogenous products were largely free of contamination with disinfection byproducts, but mitigation of these contaminants in treated urine and other reactor compartments is crucial for safe implementation of these technologies. In Chapter 5, a novel process, flexible electrochemical stripping, was evaluated during urine treatment. The process facilitated tailored recovery of ammonium sulfate and ammonia using electrochemical operating parameters to control product speciation and to achieve multiple commercially relevant product concentrations.These efforts advance a circular nitrogen economy by demonstrating feasibility of longterm operation, identifying needs and strategies for mitigating harmful byproducts, and enabling tunable recovery of multiple products that can be used as fertilizers, disinfectants, fuels, and feedstocks for chemical synthesis. The findings of this dissertation inform the design of resource-efficient wastewater treatment trains harnessing electrochemical nitrogen recovery to expand access to sanitation, valuable chemicals, and food.
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650 4 $a Resource recovery. $3 3683855
650 4 $a Effluents. $3 3559973
650 4 $a Energy consumption. $3 631630
650 4 $a Technology. $3 531676
650 4 $a Nitrogen. $3 1314426
650 4 $a By products. $3 3564729
650 4 $a Greenhouse gases. $3 797971
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650 4 $a Ammonia. $3 2148979
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