Fertilizer demand and potential supply through nutrient recovery from organic waste digestate in California

Orner, Kevin D.; Smith, Sarah; Breunig, Hanna; Scown, Corinne D.; Nelson, Kara L.

doi:10.1016/j.watres.2021.117717

Cited by 28 publications

(14 citation statements)

References 37 publications

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“…Anammox removed 97% kg/day of NH 4 –N, leaving only 136 kg/day of NH 4 –N in the sidestream return flow; however, the nitrogen was converted into N 2 gas and not recovered as fertilizer. Struvite precipitation, which typically recovers approximately 79% of phosphate, was limited by the quantity of phosphate in the centrate . Given that struvite precipitates at a 1:1:1 molar ratio of Mg:NH 4 :PO 4 , 155 kg/day of NH 4 –N and 342 kg/day of PO 4 –P were recovered as struvite, while 4380 kg/day of NH 4 –N and 91 kg/day of PO 4 –P remained in the sidestream return flow.…”

Section: Resultsmentioning

confidence: 99%

“…Struvite precipitation, which typically recovers approximately 79% of phosphate, was limited by the quantity of phosphate in the centrate. 13 Given that struvite precipitates at a 1:1:1 molar ratio of Mg:NH 4 :PO 4 , 155 kg/day of NH 4 −N and 342 kg/day of PO 4 −P were recovered as struvite, while 4380 kg/day of NH 4 −N and 91 kg/day of PO 4 −P remained in the sidestream return flow. Ammonia stripping recovered 93% (4200 kg/day) of NH 4 −N from the centrate, leaving only 326 kg/day of NH 4 −N in the sidestream return flow.…”

Section: Nutrient Production Potentialmentioning

confidence: 99%

“…Installing nutrient removal or recovery technologies to treat the high-strength ammonium and phosphate sidestream flows at WRRFs could promote environmental and economic sustainability by reducing nutrient fluxes back to the mainstream, and nutrient recovery technologies could produce fertilizer that offsets the energy-intensive production and transport of synthetic fertilizer. , Recovered nitrogen can substitute for the production of nitrogen through the energy-intensive Haber–Bosch process, while recovered phosphorus substitutes for the mining of finite phosphorus reserves largely located in politically sensitive regions . In this study, we evaluated sidestream nutrient management technologies that have been implemented at full scale, such as struvite precipitation, ammonia stripping, and thermal stripping .…”

Section: Introductionmentioning

confidence: 99%

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Environmental and Economic Impacts of Managing Nutrients in Digestate Derived from Sewage Sludge and High-Strength Organic Waste

Orner

Smith

Nordahl

et al. 2022

Environ. Sci. Technol.

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Increasingly stringent limits on nutrient discharges are motivating water resource recovery facilities (WRRFs) to consider the implementation of sidestream nutrient removal or recovery technologies. To further increase biogas production and reduce landfilled waste, WRRFs with excess anaerobic digestion capacity can accept other high-strength organic waste (HSOW) streams. The goal of this study was to characterize and evaluate the life-cycle global warming potential (GWP), eutrophication potential, and economic costs and benefits of sidestream nutrient management and biosolid management strategies following digestion of sewage sludge augmented by HSOW. Five sidestream nutrient management strategies were analyzed using environmental life-cycle assessment (LCA) and life-cycle cost analysis (LCCA) for codigestion of municipal sewage sludge with and without HSOW. As expected, thermal stripping and ammonia stripping were characterized by a much lower eutrophication potential than no sidestream treatment; significantly higher fertilizer prices would be needed for this revenue stream to cover the capital and chemical costs. Composting all biosolids dramatically reduced the GWP relative to the baseline biosolid option but had slightly higher eutrophication potential. These complex environmental and economic tradeoffs require utilities to consider their social, environmental, and economic values in addition to present or upcoming nutrient discharge limits prior to making decisions in sidestream and biosolids management.

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Section: Resultsmentioning

confidence: 99%

Section: Nutrient Production Potentialmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Environmental and Economic Impacts of Managing Nutrients in Digestate Derived from Sewage Sludge and High-Strength Organic Waste

Orner

Smith

Nordahl

et al. 2022

Environ. Sci. Technol.

Self Cite

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“…that can increase the effectiveness of AnD are described in review [ 6 ]. According to calculations made by Kevin et al [ 45 ] the nutrient loadings (ton/day) to anaerobic digesters in the 2020 year were 117 (TAN) and 76 (total P V ). In 2050, these parameters will increase to 195 (TAN) and 122 (P V ).…”

Section: Conventional Methods Of the Residual Streams Processingmentioning

confidence: 99%

Recovery of Nutrients from Residual Streams Using Ion-Exchange Membranes: Current State, Bottlenecks, Fundamentals and Innovations

2022

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The review describes the place of membrane methods in solving the problem of the recovery and re-use of biogenic elements (nutrients), primarily trivalent nitrogen NIII and pentavalent phosphorus PV, to provide the sustainable development of mankind. Methods for the recovery of NH4+ − NH3 and phosphates from natural sources and waste products of humans and animals, as well as industrial streams, are classified. Particular attention is paid to the possibilities of using membrane processes for the transition to a circular economy in the field of nutrients. The possibilities of different methods, already developed or under development, are evaluated, primarily those that use ion-exchange membranes. Electromembrane methods take a special place including capacitive deionization and electrodialysis applied for recovery, separation, concentration, and reagent-free pH shift of solutions. This review is distinguished by the fact that it summarizes not only the successes, but also the “bottlenecks” of ion-exchange membrane-based processes. Modern views on the mechanisms of NH4+ − NH3 and phosphate transport in ion-exchange membranes in the presence and in the absence of an electric field are discussed. The innovations to enhance the performance of electromembrane separation processes for phosphate and ammonium recovery are considered.

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“…Los inorgánicos implica utilizar tanto las botellas plásticas como contenedores de líquido, o para guardar moñas, hilo y dulces, los frascos de vidrio para guardar café, azúcar envases de plásticos para guardar alimentos, detergentes; esto es, las botellas plásticas grandes de gaseosa potes de mantequilla de límpido, botellas de aceite y suavizantes sirven como materas (Orner et al 2021), (Ugulu et al 2021), (Wierzbowska et al 2020), (Lin et al 2020). Asimismo, envases de compota y café para echar condimentos se decoran y se guardan hilos y aguja.…”

Section: Elaboración: Los Autores (2022)unclassified

Tratamiento de los residuos y estrategia de entorno saludable contribuyendo al sistema de huertas caseras

Muñoz-Montenegro

García-Ávila

2022

Koinonia

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El propósito de la presente investigación es comprender el tratamiento de residuos orgánicos e inorgánicos en la creación de huertas caseras en familias del Barrio Montecristo mediante estrategia de entorno saludable para mitigar enfermedades vectoriales. Razón por la que, el estudio se realizó bajo el enfoque cualitativo, cuyo paradigma es el constructivista, siendo el tipo de investigación la investigación acción. La población comprende 230 familias, cuya muestra fue de 20. Por lo que, se diseñó la propuesta educativa denominada Creación de huertas caseras, hacia un entorno saludable. Los resultados mostraron que en los hogares se produce una mezcla de residuos, así mismo mostraron que reutilizan botellas plásticas, y por último que presentan una disposición hacia la siembra debido a que contribuye al autoabastecimiento. Se pudo concluir que los participantes se sensibilizaron ante la necesidad de implementar huertas caseras para el tratamiento de los residuos orgánicos e inorgánicos.

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Fertilizer demand and potential supply through nutrient recovery from organic waste digestate in California

Cited by 28 publications

References 37 publications

Environmental and Economic Impacts of Managing Nutrients in Digestate Derived from Sewage Sludge and High-Strength Organic Waste

Environmental and Economic Impacts of Managing Nutrients in Digestate Derived from Sewage Sludge and High-Strength Organic Waste

Recovery of Nutrients from Residual Streams Using Ion-Exchange Membranes: Current State, Bottlenecks, Fundamentals and Innovations

Tratamiento de los residuos y estrategia de entorno saludable contribuyendo al sistema de huertas caseras

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