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RISS 인기검색어
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- 저자 : ( Harada Hiroyiki ) (검색결과 2 건)
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전기 화학적 산화와 수중 고정막을 이용한 높은 농도의 매립지 침출수 처리
( Harada Hiroyiki ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.2
두가지의 수중 고정막을 이용한, 높은 농도의 매립지 침출수 처리를 실험실 규모로 수행하였다. 질산화와 탈질산화의 정밀한 설계는 두개의 수중 막으로 실행되었다. 최대 질산화와 탈질산화 비율은 1.5gNH<sub>4</sub>-N 과 NOx-Ng/m<sup>2</sup>/d/였다. COD 와 BOD 제거 효율은 각각 약 60%와 90%이다. 전처리와 후처리는 단일 슬러지 시스템과 전기화학적 산화로 선정하였다. 단일 슬러지의 안정성을 고려하여, 충분한 재순환 비율과 수압의 지체 시간은 각각 6:1 과 6 시간이다. 소비를 적은 전기 분해는, 수중막 효율의 평균 COD 제거 비율이 70%이다. 결과적으로 질소, BOD, COD 각각의 총 제거효율은 약 90%, 95%, 80%이다. A high strength land fill leachate treatment employing two submerged filters was studied using an experimental laboratory model. Design for criteria of nitrification and denitrification are presented fro two submerged filters. Maximum nitrification and de nitrification rates were about 1.5 g NH<sub>4</sub>-N and NOx-N g/m<sup>2</sup>/d/. COD and BOD removal efficiency was about 60 % and 90%, respectively. The pre treatment and post treatment were chosen single sludge system and electrochemical oxidation. The adequate recycle ratio and hydraulic retention time with stability in a single sludge was 6: 1 and 6 hr, respectively. With low consumption required for electrolysis, the average COD removal rate of submerged filters effluent was 70%. Consequently, the total removal efficiency in regard to nitrogen, BOD and COD were about 90 %,95 %, and 80 % respectively.
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HIGH STRENGTH LANDFILL LEACAHTE TREATMENT USING SUBMERGED FIXED FILM AND ELCTROCHEMICAL OXIDATION
( Harada Hiroyiki ) 한국폐기물자원순환학회 2002 APLAS Vol.2002 No.1
A high strength land fill leachate treatment employing two submerged filters was studied using an experimental laboratory model. Design for criteria of nitrification and denitrification are presented fro two submerged filters. Maximum nitrification and de nitrification rates were about 1.5 gNH₄-N andNOx-N g/㎡/d/. COD and BOD removal efficiency was about 60 % and 9 0%, respectively. The pre treatment and post treatment were chosen single sludge system and electrochemical oxidation. The adequate recycle ratio and hydraulic retention time with stability in a single sludge was 6: 1 and 6 hr, respectively. With low consumption required for electrolysis, the average COD removal rate of submerged filters effluent was 70%. Consequently, the total removal efficiency in regard to nitrogen, BOD and COD were about 90 %,95 %, and 80 %, respectively.
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