Operational performance of a submerged membrane bioreactor for reclamation of bath wastewater

Abstract Bath wastewater is an ideal wastewater-reclamation source for its large discharge amount, simple pollutant composition and low pollutant content. The feasibility of reclaiming bath wastewater with a membrane bioreactor was investigated in a pilot plant of 10 m3 per day at an organic load of 0.50–1.85 kg-COD/(m3 per day). The operation was continued for 216 days without sludge discharge and chemical cleaning of membrane modules. The quality of the effluent obtained met the wastewater reclamation standard of China, with COD

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