Results 31 to 40 of about 30,932 (257)

Enhancement of overloaded waste stabilization ponds using different pretreatment technologies: a comparative study from Namibia

open access: yesJournal of Water Reuse and Desalination, 2020
Waste stabilization ponds (WSP) are a well-established wastewater treatment technology in Namibia. However, they are often overloaded and we still lack concepts and technologies for improvement.
Jochen Sinn, Susanne Lackner
doaj   +1 more source

Tratamento biológico em reatores sequenciados anaeróbio-aeróbio com efluente vinícola [PDF]

open access: yesRevista DAE, 2021
O presente estudo tem por finalidade analisar o tratamento de efluente vinícola em sistema combinado de um reator anaeróbio de manta de lodo e fluxo ascendente (Upflow Anaerobic Sludge Blanket - UASB) seguido de um filtro biológico aeróbio submerso (FBAS)
Daniel Shuzo Iken   +4 more
doaj   +1 more source

Temperature effects on methanogenesis and sulfidogenesis during anaerobic digestion of sulfur-rich macroalgal biomass in sequencing batch reactors [PDF]

open access: yes, 2019
Methanogenesis and sulfidogenesis, the major microbial reduction reactions occurring in the anaerobic digestion (AD) process, compete for common substrates.
Jung, Heejung, Kim, Jaai, Lee, Changsoo
core   +1 more source

Challenges of a feasible route towards sustainability in environmental protection [PDF]

open access: yes, 2010
Anaerobic processes for treatment of low and high strength wastewaters and solid wastes constitute the core method in the natural biological mineralization (NBM) treatment concept.
Lettinga, G.
core   +6 more sources

Estimativa de recuperação de energia renovável a partir do biogás em edifícios residenciais: análise de viabilidade econômica [PDF]

open access: yesRevista DAE
O aumento da demanda de energia associado às mudanças climáticas tem dificultado o desenvolvimento sustentável. Este artigo buscou avaliar o potencial de recuperação de biogás para geração de energia elétrica, a partir de estações compactas de ...
Taísa Andrade Barbosa   +1 more
doaj   +1 more source

Up Flow Anaerobic Sludge Blanket (UASB) In The Paper Industry [PDF]

open access: yesE3S Web of Conferences, 2020
The paper industry is an activity that have a large impact on the quality of natural resources. The large amount of water used has an impact on the wastewater generated. Untreated liquid waste can cause pollution in water bodies (rivers).
Setyani Inun   +2 more
doaj   +1 more source

Safety and Effectiveness of Struvite from Black Water and Urine as a Phosphorus Fertilizer [PDF]

open access: yes, 2011
To ensure food supply, phosphorus must be recycled, for which an appealing method is using struvite fertilizer from human excreta. One struvite from black water and another from urine were assessed for safety under Dutch regulations, and for ...
Gell, K.   +4 more
core   +2 more sources

Inoculum selection influences the biochemical methane potential of agro-industrial substrates [PDF]

open access: yes, 2015
Obtaining a reliable estimation of the methane potential of organic waste streams in anaerobic digestion, for which a biochemical methane potential (BMP) test is often used, is of high importance.
Angenent, Largus T   +7 more
core   +2 more sources

A Short Review on Dye-Wastewater Valorization Using Up-Flow Anaerobic Sludge Blanket Reactors

open access: yesWaste, 2023
Dye-containing effluent generated in textile industries is polluting and complex wastewater. It should be managed adequately before its final destination.
Ronei de Almeida   +1 more
doaj   +1 more source

Technical and economic feasibility of gradual concentric chambers reactor for sewage treatment in developing countries [PDF]

open access: yes, 2009
A major challenge in developing countries concerning domestic wastewaters is to decrease their treatment costs. In the present study, a new cost-effective reactor called gradual concentric chambers (GCC) was designed and evaluated at lab-scale.
Carballa, Marta   +4 more
core   +1 more source

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