Field-scale Electrolysis/Ceramic Membrane System for the Treatment of Sewage from Decentralized Small Communities.
ENVIRONMENTAL TECHNOLOGY(2018)
Abstract
The electrolysis process adopting copper electrodes and ceramic membrane with pore sizes of 0.1-0.2 m were consisted to a system for the treatment of sewage from decentralized small communities. The system was operated under an HRT of 0.1 hour, voltage of 24V, and TMP of 0.05MPa. The system showed average removals of organics, nitrogen, phosphorus, and solids of up to 80%, 52%, 92%, and 100%, respectively. Removal of organics and nitrogen dramatically increased in proportion to increment of influent loading. Phosphorus and solids were remarkably eliminated by both electro-coagulation and membrane filtration. The residual particulate constituents could also be removed successfully through membrane process. A system composed of electrolysis process with ceramic membrane would be a compact, reliable, and flexible option for the treatment of sewage from decentralized small communities.
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Key words
Electro-coagulation,electro-oxidation,ceramic membrane,sewage treatment,decentralized small communities
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