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춘천시 생활쓰레기의 위생관리를 위한 배출 및 이ㆍ화학적 특성
임재명(Rim Jay Myoung),강성환(Kang Sung Hwan),한동준(Han Dong Joon),김병욱(Kim Byeoung Ug) 강원대학교 산업기술연구소 1997 産業技術硏究 Vol.17 No.-
Generation and physico-chemical characteristics of municipal solid wastes are very important for sanitary management. However, that has not been investigated so far especially in chunchon. And so, we tried to examine many things in detail. It was resulted that density was 90~94kg/㎥ in school and office zone and 290~298kg/㎥ in apartment and market place. The compositional weight fraction was food, 40~54%, paper, 14~18%, vinyl and plastic, 14~20% in house zone and market place and paper, 42~70% in school and office zone. Moisture was estimated to be 54~57% in independent house zone, apartment and market place and 11~23% in school and office zone. And three composition was water content, 44.1%, incineration particle, 11.2%, volatile parts, 44.7% in respectively. That is because of seasonal effects and regional characteristics. In the results of chemical composition and caloric value analysis, carbon(C) was 80% in vinyl and plastic and oxygen(O) was 54.4% in paper.
임재명(Jae Myoung Rim),김병욱(Byeoung Ug kim),강성환(Sung Hwan Kang) 한국수처리학회 1997 한국수처리학회지 Vol.5 No.4
This research aims to improve the previous trench process. The modified process is consist of 3 processes; first settling tank, 3-staged second contact-filter, and last trench system. The experiments was operated by varying the HRT 8, 6 and 4 hours in trench. The results of laboratory experiments showed removal rate of 97∼99% of TBOD, 92∼98% of TKN, 91∼98% of T-P. From the results of this research, organic materials were removed in settling tank and nutrients in the trench stage. Therefore, it is recommended to replace the previous 3-staged contact-filter to 1-staged one, and to increase contact-time in trench system.
정원구(Jeong, Won-Gu)임재명(Rim, Jay-Myung) 강원대학교 산업기술연구소 2011 産業技術硏究 Vol.31 No.1
This study was conducted to analyze the cost effectiveness in line with total phosphorus standard enforcement of public sewage treatment facilities. The additional cost for the total phosphorus removal process was calculated to analyze the cost effectiveness of the advanced water purification process. The analysis results showed that the T-P removal by coagulation sedimentation was more efficient than the advanced water purification facilities in terms of facilities investment cost, and if the coagulation filteration was used for T-P removal, the activated carbon process among the advanced water purification techniques was more efficient in terms of facilities investment cost. In this study, the effects of the T-P removal process that will be additionally introduced according to the tightening of the effluent T-P standard were analyzed within a limit. The actual benefits of improved T-P concentration in the water source will provide diverse values, including the leisure water, environment improvement water, eco-system in the water source and industrial water, in addition to the advanced water purification.
생물학적 황산염 환원을 이용한 금속광산 갱내수의 중금속 제거
임재명,이찬기,한동준 ( Jay Myoung Rim,Chan Ki Lee,Dong Joon Han ) 한국물환경학회 1995 한국물환경학회지 Vol.11 No.2
A laboratory experiment was performed to investigate the mine drainage treatment using the biological sulfate reduction. An acetate-added synthetic wastewater was used because of low organic content in the acid mine drainage. The presence of heavy metals in the synthetic wastewater was an operational variable for the laboratory experiment. On the basis of series of experiment, it was found that the sulfate reduction rate and organic removal rate increased with an increment of hydraulic retention time in the laboratory reactors. It was also note that the reactor fed with wastewater containing heavy metals showed a better performance. It was reasoned that the reduction of sulfide(S^2) toxicity due to the heavy metal complexation, resulting an enhanced microbial activity in the reactor fed with wastewater containing heavy metals. Total removal rate of heavy metals in the lab reactor was highly correlated with the sulfate reduction rate, and the sulfate reduction rate was closely related with COD removal rate. In addition, an order of heavy metal removals during the sulfate reduction was found as follows : Zn>Pb>Co>Ni>Cu.
춘천시 생활쓰레기의 위생관리를 위한 배출 및 이·화학적 특성
임재명,강성환,한동준,김병욱,Rim, Jay-Myoung,Kang, Sung-Hwan,Han, Dong-Joon,Kim, Byeoung-Ug 강원대학교 산업기술연구소 1997 産業技術硏究 Vol.17 No.-
Generation and physico-chemical characteristics of municipal solid wastes are very important for sanitary management. However, that has not been investigated so far especially in chunchon. And so, we tried to examine many things in detail. It was resulted that density was $90{\sim}94kg/m^3$ in school and office zone and $290{\sim}298kg/m^3$ in apartment and market place. The compositional weight fraction was food, 40~54%, paper, 14~18%, vinyl and prastic, 14~20% in house zone and market place and paper, 42~70% in school and office zone. Moisture was estimated to be 54~57% in independent house zone, apartment and market place and 11~23% in school and office zone. And three composition was water content, 44.1%, incineration particle, 11.2%, volatile parts, 44.7% in respectively. That is because of seasonal effects and regional chracteristics. In the results of chemical composition and caloric value analysis, carbon(C) was 80% in vinyl and plastic and oxygen(O) was 54.4% in paper.
운행자동차의 공회전 정지에 의한 CO<sub>2</sub> 저감량 산출 연구
심무경,임재명,이범호,홍성태,이대엽,Shim, Moo-Kyung,Rim, Jay-Myoung,Lee, Beom-Ho,Hong, Sung-Tae,Lee, Dae-Yup 대한기계학회 2009 大韓機械學會論文集B Vol.33 No.10
The effect of idling stop on $CO_2$ reduction was estimated, especially in the area of in-use vehicles. In order to know the fuel saving for each class of vehicles, a methodology to calculate the fuel saving was used along with a standard test using NIER-07 mode. Idling stop execution rate was estimated by analyzing the driving pattern of the in-use city buses, which shows about 75% at maximum. And this corresponds to about 5.4% reduction of the daily total fuel consumption. Finally, $CO_2$ reduction in the automotive sector was estimated, which concludes that, when idling stop device is used, about 480 thousand and 450 thousand tons of $CO_2$ could be reduced with in-use city buses and taxis, respectively. This amount corresponds to about 1.2% of $CO_2$ reduction in the automotive sector.