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Studies on the Fluidized Bed Reactor for Wastewater Treatment

Studies on the Fluidised Bed Reactor for Wastewater Treatment

HWAHAK KONGHAK, April 1980, 18(2), 117-132(16), NONE
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Abstract

이 유동층 폐수처리 방법은 처리능력이 한계점에 이른 기존시설의 확충, 탈질화반응(Denitrification), 산업폐수처리 등에 응용될 수 있는 공정이다. 주된 특징으로는 박테리아나 원생동물의 성장을 돕고 처리 유용면적을 증대시키기 위해 망상형(reticulated) 유동입자를 사용하고, 그 안에서 호기성 소화(Aerobic Digestion)와 혐기성 소화(Anaerobic Digestion)를 시킬 수 있으며 직접 매립할 수 있는 고밀도의 sludge(5-7 %)를 얻을 수 있다. 초기 시험단계인 만큼 값싸고 적절한 유동입자의 확보, 폐수의 시간적·계절적 변화에 따른 영향 규명, 수학적 모델 개발 등 많은 연구가 계속되어야 하지만 기존 공정에 비해 경제성이 높을 것으로, 본 실험연구를 통해 사료된다.
This fluidised process seems very promising additions to the range of systems which can be used to up-rate existing sewage treatment plants, for denitrification, and to deal with industrial wastes. Because it retains such an active biomass within supporting particles, it will offer both aerobic digestion and anaerobic one. Concentrated sludges (5-7 % dry solids) may be produced for direct land disposal. The ability of this system is still to be tested in such aspects as cheaper and suitable particles and capability of handling both diurnal and storm flow. However it will show savings in total cost when compared with conventional system.

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