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Preparation and Characteristics of Immobilized Sludge by the PAA Entrapment Method  

최석순 (세명대학교 환경공학과)
Publication Information
Journal of Environmental Health Sciences / v.28, no.3, 2002 , pp. 49-54 More about this Journal
Abstract
This study was conducted to evaluate the feasibility and characteristics of poly acrylamide (PAA) immobilized sludge as a microbial entrapment bead for wastewater treatment. In the PAA method of immobilized sludge, it was found that the optimum acrylamide concentration for actual wastewater treatment was to be 12%. When the sequencing batch reactor (SBR) was operated during 30 days, removal efficiencies of TOC and phosphate was 95% and 70ft, respectively. From this research, repeated cycle of anaerobic and aerobic conditions is required to enhance the removal of TOC and phosphate. During the operation, immobilized cells could be used without being disrupted.
Keywords
PAA immobilized sludge; TOC; Phosphate; Anaerobic and aerobic;
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