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.

생물막 공정에 의한 고농도 암모니아 폐수처리시 질소 거동 및 질산화 저해

한동준,임재명,강성환 ( Dong Joon Han,Jay Myoung Rim,Sung Hwan Kang ) 한국물환경학회 1997 한국물환경학회지 Vol.13 No.2

This study was performed to investigate the nitrogen behavior in piggery wastewater treatment, and the inhibitory condition in nitrification was also examined. The ammonia nitrogen was removed via stripping, nitrification, autotrophic cell synthesis, and heterotrophic cell synthesis. The removal percents by each step were 12.1%, 68.9%, 15.0%, and 4.0%, respectively. Nitrite and nitrate production rates were found 0.42㎎/g MLVSS/hr and 0.05㎎/g MLVSS/hr, respectively. Maximum removal rate of the total ammonia nitrogen occurred at temperature over 22℃, regardless of the volumetric loading rates. Nitrification inhibition of piggery wastewater was found to occur at an influent volumetric loading rate over 0.2 NH₃-N ㎏/㎥3d.

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.

생물막 공정에 의한 고농도 암모니아 폐수처리시 질소 거동 및 질산화 저해

한동준,임재명,강성환 江原大學校 附設 環境硏究所 1997 環境硏究 Vol.14 No.-

This study was performed to investigate the nitrogen behavior in piggery wastewater treatment, and the inhibitory condition in nitrification was also examined. The ammonia nitrogen was removed via stripping, nitrification, autotrophic cell synthesis, and heterotrophic cell synthesis. The removal percents by each step were 12.1%, 68.9%, 15.0%, and 4.0%, respectively. Nitrite and nitrate production rates were found 0.42mg/g MLVSS/hr and 0.05mg/g MLVSS/hs, respectively. Maximum removal rate of the total ammonia nitrogen occurred at temperature over 22℃, regardless of the volumetric loading rates. Nitrification inhibition of piggery wastewater was found to occur at an influent volumetric loading rate over 0.2NH₃-N kg/㎥/d.

생물학적 질산화의 영향 인자에 따른 알칼리도 변화

한동준,강성환 도립 강원전문대학 1998 道立 江原專門大學 論文集 Vol.1 No.1

Although many factors such as ammonia nitrogen concentration, pH, temperature and dissolved oxygen were revealed to influence on the biological nitrification, so far the influence is not wellknown in detail. This study was focused to find how each factors effect on the biological nitrification and alkalinity consumption in wastewater treatment under high ammonia nitrogen concentration. Batch reactors in aerobic conditions were used to test the treatment efficiency of mixed liquor, nightsoil and piggery wastewater. The results of this experiment, the alkalinity consumption rates were showed the range of 1.9∼7.1 mg alk./mg NH_(4)-N.

고농도 암모니아성 폐수의 질산화과정에서 아질산염 축적의 영향인자

한동중,강성환,임재명 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-

This study was focused to find how each factors effect on the biological nitrification in wastewater treatment under high ammonia nitrogen concentration. Batch reactors in aerobic conditions were used to test the treatment efficiency of mixed liquor, nightsoil and piggery wastewater. The results are summeried as follows ; Initial ammonia nitrogen concentration and pH were the direct influencing factors of nitrite build-up. More than 250mg NH_(4)^(+)-N/L in initial concentration built up nitrite and then the inhibition rate to Nitrobacter was above 70 percentage. And maximum nitritation rate was showed at pH 8.3 and nitrification could be completely achieved by pH control. Temperature and dissolved oxygen were the indirect influencing factors of nitrite build-up. These were a great effect on the activity of nitrifying microbes and ammonia nitrogen removal. Maximum nitritation late was showed at 30℃. The effect of DO concentration was negligible at more than 3 mg/L.

석탄폐석 및 광재의 유해물질 침출특성 연구

우영국,강성환,임재명,한동준,김병욱 강원대학교 석재복합신소재제품연구센터 1996 석재연 논문집 Vol.1 No.-

광산에서 배출되는 광재폐기물은 산과 계곡에 투기 또는 매립되어 강우등에 의하여 주변 소하천을 오염시키고 있다. 따라서 본 연구는 광재의 물리적특성과 이화학적 특성을 조사하고 회분식과 칼럼식실험을 수행하여 오염물질의 침출특성을 고찰하고자 하였다. 실험결과, 다음과 같은 결론을 얻을 수 있었다. 1) 광재는 점토질 및 실트질의 크기를 지니고 있으나 점착력과 소성적 성질이 없는 사질토의 특성을 지니고 있다. 2) 광재의 투수계수는 대부분 10(???)³-10(???)cm/sec의 범위이며, 일반 사질토의 투수계수보다 낮음을 알 수 있었다. 3) 회분식과 칼럼식 용출시험의 결과, 대상 광산의 광재폐기물 일부에서 기준치 이상의 중금속농도가 침출되었으며, 이에대한 방지대책의 심각성을 알 수 있었다. 4) 광재 폐기물의 칼럼식 용출시험 결과 kg폐기물 당 인공강우 투여량 비가 증가할수록 침출수의 중금속 및 유해물질 농도는 크게 감소되어 어느정도 진행된 이후부터는 대부분 일정한 농도가 유지되나, 산성강우시 침출정도 및 침출시간은 지속되는 것을 알 수 있었다. 5) 광재는 많은 중금속과 유해물질을 함유하고 있으나 양적인면에서 자원화의 가치가 높을 것으로 판단된다. 따라서 광재내의 자원회수, 건설 재료등의 재활용및 자원화 연구가 필요하다. Tailing wastes producedat metal mines have been disposed of by dumping or landfiling in depression. Mine drainage developed at pile of the tailing wastes has high concentrations of various kinds of heavy metals and harzardous materials, and these contaminants are leached out from the tailing wastes by water infiltration or when they collapse. In this study, both batch test and column test were performed in order to investigate the physical and leaching characteristics of tailing wastes. The batch test results were compared with those by EPT and DLT, and column test was carried out at acidic and neutral pH ranges. The results showed that high concentrations of heavy metals and sulfate were contained in the leachate of the some tailing wastes. In column test, levels of heavy metals in the leachate produced during the initial rainfall period were found higher.

춘천시 생활쓰레기의 위생관리를 위한 배출 및 잊 ·화학적 특성

임재명,강성환,한동준,김병욱 江原大學校 産業技術硏究所 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 os 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∼kg/㎥ 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.

석탄폐석의 흡착능 개발 및 흡착제로의 활용방안 연구

김해숙,한동준,임재명,전은주,최용범,김병욱,강성환,신혜영 강원대학교 석재복합신소재제품연구센터 1997 석재연 논문집 Vol.2 No.-

본 연구는 폐기물의 형태로 현재 산과 계곡에 투기되어 있는 석탄페석을 이용하여 중금속 흡착과 난분해성 COD 및 색도제거 가능성을 검토하고, 간단한 열처리를 통한 흡착능 개발 실험을 위하여 수행되었다. 실험 결과 천연상태의 석탄폐석은 약 20∼30%의 중금속 흡착능을 지니고 있는 것으로 나타났으며, 탄화 공정인 간단한 열처리 만으로도 약 2 ∼ 5배의 흡착능 향상이 이루어졌다. 그리고 석탄폐석의 열처리 조건 변화에 따른 중금속 흡착능 실험에서는 500℃ 에서 6시간 반응시킨 것이 가장 우수하였다. 칼럼실험에 있어 기존의 입상활성탄 보다 처리효율이 저조하나 석탄폐석은 무가공 상태로도 약 30 ∼ 60%의 COD 및 색도를 제거할 수 있었다. 500℃에서 6시간 열처리된 폐석의 컬럼실험에서 생물학적 유출수의 색도 제거에 우수함을 알 수 있었으며, 중금속 및 COD제거에 있어서는 여과 속도에 따라 많은 차이를 보였다. 본 연구에서는 열처리 공정만 적용한 기초 실험이였으나, 석탄폐석의 흡착제 개발의 가능성을 알 수 있었으며, 활성화 공정을 적용할 경우 흡착능은 더욱 향상될 것으로 판단된다. This reaserch aims to remove the heavy metals, NBDCOD, and color using the coal waste. The expermental by heat treatment. was performed to advance the adsorption capacity. The results are as follows ; ⅰ) The coal waste had the adsorption capacity of heavy metals and the rates were in the range of 20 to 30 percents. ⅱ) The heat treatment was the optimum condition that the reaction time was 6 hours at 500 ℃. ⅲ) In the column experimental, non-treated coal waste removed the COD and color in the range of 20 to 60 percents. ⅳ) Heat-treated coal waste showed the high removal rate of the color in biological effluent, but heavy metal and COD removal rates were changed by the filteration rates.