Results 121 to 130 of about 148,650 (305)
Acid fermentation of primary sludge at 20v C
, 1990 Includes bibliography.Full scale studies on biological excess phosphrous removal plants have demonstrated the biological excess phosphorous removal can be increased by acid fermenting the settled sludge in the primary settling tank, and adding either the
Lilley, Ian David
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ChemEngineeringTo simultaneously solve problems in an eco-friendly manner, introducing a waste residual as a sustainable conditioner to aid alum sludge dewatering is suggested as a cradle-to-cradle form of waste management.
Manasik M. Nour, Maha A. Tony
doaj +1 more source
Comparison of Different Methods (Digestion, Combustion, Gasification and Pyrolysis) for Sludge Energy Recovery: A Case Study for Ekbatan’s Municipal Treatment Plant [PDF]
Iranian Journal of Chemical Engineering, 2019 Different methods of urban sewage sludge energy recovery such as burning, gasification, pyrolysis and digestion based on the net energy production efficiency, advantages and disadvantages and complexity of these processes have been investigated in this ...
A. Hemmati, T. Abedzadegan
doaj
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Bimetallic Cu and Fe oxide species supported on porous silica with interparticle mesoporosity act as efficient photo‐Fenton‐like catalysts under visible light. Photogenerated electrons drive the Cu2+/Cu1+ redox cycle. Part of Cu1+ is responsible for the regeneration of the Fe3+/Fe2+ cycle at neutral pH. Light irradiation additionally induces structural
Andraž Šuligoj +6 more
wiley +1 more source
Biological excess phosphorus removal in activated sludge systems
, 1988 Includes bibliographies.When this investigation was commenced in 1983 two activated sludge systems had been developed in South Africa that accomplish biological excess phosphorus (P) removal, the UCT and modified Bardenpho systems.
Wentzel, Mark Charles
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Challenges in Implementing European Regulation on Water Reuse for Sustainable Agriculture
Environmental Policy and Governance, EarlyView.ABSTRACT The Regulation (EU) 2020/741 on minimum requirements for water reuse is a key policy for sustainable water management under growing water scarcity in Europe. This paper examines expert perspectives on the challenges involved in implementing EU regulation for water reuse in agriculture, aiming to broaden existing research, which is largely ...
Patricia Allgaier +2 more
wiley +1 more source
Estudo da minimização da produção de lodo em sistemas de lodos ativados para esgotos sanitários [PDF]
, 2015 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2015.A produção de lodo em sistemas de lodos ativados é um grande desafio na gestão de estações de tratamento
Velho, Viviane Furtado
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EnergiesThe problem of As pollution emission from sludge during combustion has received widespread attention. The impact of flue gas components on the interaction with CaO and As during sludge combustion was analyzed using a series of experimental ...
Yilin Shi +4 more
doaj +1 more source
Learning Networks Drive Environmental Innovation: Evidence From Fourth‐Stage Purification Diffusion
Environmental Policy and Governance, EarlyView.ABSTRACT Contaminants of emerging concern, including pharmaceuticals and industrial chemicals, threaten water quality globally. In the European Union (EU), until the adoption of the revised Urban Wastewater Treatment Directive in 2024, a regulatory gap had left the member states and the municipalities in them without binding removal standards ...
Simon Bulian +3 more
wiley +1 more source