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생활 폐기물 수집.수송 관리를 위한 Expert-System 개발
강동구,류돈식,이해승,이찬기,Kang. Dong-Gu,Ryu. Don-Sik,Lee. Hae-Seung,Lee. Chan-Ki 한국방재학회 2001 한국방재학회논문집 Vol.1 No.1
본 연구에서는 체계화되지 못한 중소도시의 쓰레기 수집 수송의 자료를 정리, 현장 조사를 통한 쓰레기 수집 수송 관리를 위한 프로그램을 작성하였다. 대상은 C시로 하였으며, 수집구역을 주택, 아파트, 상가지역으로 한정지어 현장 조사를 실시하였고, 폐기물 관리 프로그램을 작성하였다. 연구 결과는 쓰레기 수집 수송단계의 필요한 인자와 중소도시에 적용 가능한 평균 값을 도출하였고, 중소도시의 쓰레기 수집 수송단계를 체계화하는 단계와 expert system을 구축하였다. 또한, Visual Basic을 이용한 쓰레기 수집 수송 관리 프로그램을 개발하였다. 결과적으로 본 연구로 개발되어진 도시폐기물의 수집 수송 관리 시스템은 다른 지역의 현장 Data를 추가함으로서 광범위하게 이용될 수 있을 것이다. This study aims to provide a program for the municipal solid waste collection and transportation management through data consolidation and field research of the materials about waste collection and transportation in a small city. The field research was conducted in the collection zone of the housing, apartment and business section within C city area. As a result, the main factor of collection and transportation plan required at the waste collection and transportation process and the central mean applying at the small city were calculated. The process that systemize the waste collection and transportation step and the expert system were constructed. In conclusion, the developed management system of the municipal solid waste collection and transportation can be wildly used by adding the data of other zone.
회전원판 공법에서의 자산화 공정을 이용한 소규모 오 · 폐수처리
이찬기,류돈식 ( Chan Ki Lee,Don Sik Ryu ) 한국물환경학회 1997 한국물환경학회지 Vol.13 No.3
The objective of this study is to solve the problems related to the effluent quality in RBC process : media clogging and the biomass sloughing. Three stage RBC with Autoxidation phase was operated along with the existing three stage RBC operation by varying the operational parameters in order to compare removal efficiencies of organics and nitrogen. The BOD removal efficiencies in the three stage RBC with Autoxidation phase were over 95% at a organic loading of 98.4g BOD/㎡/day. The existing three stage RBC process showed a 95% removal at a organic loading of 49.2g BOD/㎡/day. Suspended solids removal efficiency was between 61 and 70 percent in the Autoxidation phase at 1st stage RBC by biomass sloughing, and that of the existing RBC was between 45 and 61 percent. Removal of ammonia-nitrogen determined by varying NH₃-N loading rate showed a 85.3∼92.1 percent in the Autoxidation phase and a 67∼76percent for the existing three stage RBC process. NO₃-N level in the effluent increased with decreasing influent loading. In the determination of the kinematic coefficient, area capacity constant(P) in the first stage Autoxidation phase of RBC was 39.9gBOD/㎡·day and half velocity constant(Ks) was 306㎎/L. In the existing three stage RBC, they were 46.6gBOD/㎡·day and 467㎎/L, respectively.
도시근교 관광지에서의 쓰레기 배출특성에 관한 조사연구 : The Gu-Gok Falls in Summer Season 하절기 구곡폭포를 중심으로
이찬기,이해승,류돈식,강동구 江原大學校 産業技術硏究所 1997 産業技術硏究 Vol.17 No.-
This investigation was carried out ot study on the generation property, management and separate collection rate of solid waste in the Gu-Gok Falls. Generation rate of solid waste was 80.785kg/day and unit waste generation rates was 65.55g/dayㆍtourist one person. Physical component of solid waste were garbage 46%, papers 20%, empty bottles 10%, respectively. A plan is required to decrease generation rate of garbage waste, As result to investigate separated garbage can, papers and can were separated more than 60%. But empty bottles and scrap iron were separated less than 50%. P.E.T, steel can, aluminum can and empty bottles were 20% of total generation rate, and profit of reuse is ₩700,800/year.
회전원판 공법에서의 자산화 공정을 이용한 소규모 오·폐수처리
이찬기,류돈식 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-
The objective of this study is to solve the problems related to the effluent quality in RBC process: media clogging and the biomass sloughing. Three stage RBC with Autoxidation phase was operated along with the existing three stage RBC operation by varying the operational parameters in order to compare removal efficiencies of organics and nitrogen. The BOD removal efficiencies in the three stage RBC with Autoxidation phase were over 95% at a organic loading of 98.4g BOD/㎡/day The existing three stage RBC Process showed a 95% removal at a organic loading of 49.2g BOD/㎡/day, Suspended solids removal efficiency was between 61 and 70 percent in the Autoxidation Phase at 1st stage RBC by biomass sloughing, and that of the existing RBC was between 45 and 61 percent. Removal of ammonia-nitrogen determined by varying NH_(3)-N loading rate showed a 85.3~92.1 percent in the Autoxidation phase and a 67~76percent for the existing three stage RBC process. NO_(3)-N level in the effluent increased with decreasing influent loading. In the determination of the kinematic coefficient, area capacity constant(P) in the first stage Autoxidation phase of RBC was 39.9gBOD/㎡·day and half velocity constant(Ks) was 306mg/L. In the existing three stage RBC, they were 46.6gBOD/㎡·day and 467mg/L. respectively.
침출수 무배출식 모형매립조를 이용한 도시폐기물 분해특성
류돈식,이해승,이찬기 江原大學校 附設 環境硏究所 2000 環境硏究 Vol.17 No.-
The objective of this study is to find solid waste decomposition characteristics in landfill without leachate discharge. This study was observed variation of landfill gas production rate and leachate for stabilization assessment, and using four sets of lysimeter as experimental apparatus. Solid waste decomposition was accelerated in without leachate discharge system by sufficient moisture for methane bacteria. And gas production rate was between 54.2ℓ/kg VS ~335.9ℓ/kg VS in each lysimeter. Generation time of methane gas was showed different in each lysimeter, but it was much faster than literature research. The time of stabilization phase were began as follows : L-1 400 day, L-2 350 day, L-3 170 day and L-4 day respectively. Decreasing times of BOD/COD ratio and C/N ratio were necessary more than literature research because organic matter was not discharge such as wash out.
강원대학교 쓰레기 배출 및 수집 시스템에 관한 조사연구
이찬기,이해승,류돈식,남광명 江原大學校 産業技術硏究所 1997 産業技術硏究 Vol.17 No.-
This investigation was carried out to study generation of solid waste and collection system in the College of Engineering and College of Social Science, library, dormitory and student center of Kangwon National University. It is to supply basic data for solid waste management. Each result of investigation considers effect getting generation property, unit waste generation rate and reusing.