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都市廢棄物 埋立地에서의 生物學的 安定化에 관한 基礎硏究
金秀生,成樂昌,李敦吉 동아대학교 환경문제연구소 1991 硏究報告 Vol.14 No.1
The main results of this experimental study are as follows : 1. According to BOD_(5)/COD_(Mn) time passing : The results of landfill after two year and five years are 0.55 - 0.75, 0.35 - 0.50, respectively. 2. Analysis composition generated from decomposition methane gas generation is constantly steady state, four steps process about 38 months after landfill. 3. From the result of analysis of waste composition in landfill, the half life of organic decomposition in waste is about 38 months after landfill. 4. The temperature variation with the depth of landfill the area is the highest in between 1 - 2m. The temperature slope in underground is 1.5 - 2m.
金秀生,成樂昌,朴炫建,張盛晧 동아대학교 환경문제연구소 1992 硏究報告 Vol.15 No.1
A Biodegradability test of Leachate was performed and results of the research are as follows ; 1. The Satisfactory removal efficiencies were impossible in treatment of sample L-1 (leachate only), BOD removal efficiencies with 5.9-11.8 HRTwere 62-69% in sample S-1 and BOD removal efficiencies with 6.2-12.3 HRT were 71-76 % in sample S-2. 2. Metabolism Factor(K_(m)) was calculated to be 0.3/hr in sample L-1, 0.8/hr in sample S-1 and 1.4/hr in sample S-2. 3. Oxygen Requirement of about 1.6-1.7kg O₂/kg BOD_(rm), was required in sample S -1 and that of 1.3-1.4kg O₂/kg·BOD_(rm), was required in sample S-2. 4. Sludge production of Sample S-1 was 0.37-0.51 and that of Sample S-2 was 0.41-0.57kg VSS/kg BOD_(rm).
朴炫建,成樂昌,徐珠洙 진주산업대학교 1990 論文集 Vol.28 No.-
The results of Leachate from the Landfill site are as follows: 1. The polluation concentration of organic and inorganic matter arising from Leachate of landfillsite diminishes into the Logarthmic curve condition with the lapse of time. which makes the biological treatment diffcult 2. At an earlier stage of the landfill. Owing to the lack of the absolte guantity of PO_4 -P required for satisfying the ratio of BOD_5:PO_4 -P=100:1, PO_4 -P for biological treatment has to be supplemented artificially in proprotion to thne concentration of BOD. 3. As the pollustion concentration of NH_4 -N exceeds the limitation of the proper biological treatment(BOD_5: NH_4 -N), ammoniar-emoyed arrangements are needed for reducing the Stink before the biological treatment. Containing high concentration of NO_5 -N, the treated Leachate requires the fat-removed treatment. 4. The pollution concentration of the heavy metals in refuse can be reduced by regulating the pollution substances of heavy metals, the illegal landfill of the sludge form a factory, and so on.
金秀生,成樂昌 동아대학교 환경문제연구소 1984 硏究報告 Vol.7 No.2
The objective of this study is to investigate the amount of disposal and the composition of urban solid wastes, to research environmental pollution and harm effect of leachate, gases in a solid waste landfill. Ultimately, the author hope this study is used to be a guide for design of urban solid wastes treatment plant in the future. The results of this study were as follows; 1. Based on the amount of disposal and the composition of urban solid wastes, it is the time that the conventional simple landfill must be changed. 2. The existing leachate treatment plant must be improved, because it has many problems. 3. The counterplan for the harm effect resulted from the gases found in a landfill should be established. 4. From the economic point of view, it is desirable that urban solid wastes should be treated by wide seashore landfill or composting.