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Operational characteristics and application of reactor using entrapped microorganism in the sewage treatment  

Cha Su Gil (부경대학교 환경공학과)
Lee Byung Hun (부경대학교 환경공학과)
Jeong Seung Hyun (주식회사 이앤텍 기업부설연구소)
Publication Information
Journal of Environmental Health Sciences / v.28, no.1, 2002 , pp. 79-84 More about this Journal
Abstract
Entrapped media with cellulous triacetate in which activated sludge was applied to induce operating factors and sewage treatment on site. The results are summarized as follows; The treatment efficiency of entrapped media is 92%, 90% and 80% at the size of 5mm, 7mm, and 12mm, respectively. Also, treatment efficient rate was increased by the packed amount of media in less than 30 % packed, while in more than 40 % packed that was decreased. It takes 10 day to reach the steady states and it is less than the existing activated sludge method. The slopes of oxygen consumption rate are almost parallel both in the entrapped media and free sludge. When organic loading rate is less than 1.0 kg/m$^3$ㆍd on site, it is achieved good removal rate independent of changes of loading rate.
Keywords
entrapped media; cellulous triacetate; sewage treatment;
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