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남궁완,이노섭,박준석,인병훈 한국환경보건학회 2002 한국환경보건학회지 Vol.28 No.2
This study was carried out to evaluate the Physicochemical characteristics of mined waste(separated waste and soil) and to predict environmental effect of an old landfill site located at north of Seoul. Municipal solid waster(MSW) had been disposed of at the old landfill site used in this study for about 2 years(1990-1992). The old landfill site selected for this study had accepted mainly municipal solid waste. The landfill-mined waste contained separated waste (40.9%) and soil(59.1%) by wet weight basis. The separated waste consisted of combustible(91.0%) and non-combustible(9.0%). The combustible waste was mainly non-biodegradable plastics. The low heating value of the separated combustible waste, which is calculated by Dulong s equation, was as high as 3,470kcal/kg. According to the Korean Extraction Procedure, separated waste and soil were proved to be not hazardous. The total content of heavy metal in the separated waste and soil met standard of California State, USA. Therefore the separated waste may be relandfilled at a sanitary landfill site and/or burned up at an incinerator, and the separated old soil may be used ad landfill cover-soil at a sanitary landfill site. Water quality of two streams was grade IV, of which water could be used as industrial and agricultural water. The streams near the landfill site might not be contaminated by leachate from the old landfill site. It was estimated that organic matter in the old landfill site would not be actively biodegraded within a short period of time.
음식물쓰레기 단독 퇴비화 및 음식물쓰레기와 하수 슬러지의 혼합 퇴비화에 따른 퇴비화시설의 운전특성
남궁완,이노섭,박준석,인병훈,허준무,박종안 한국환경보건학회 2002 한국환경보건학회지 Vol.28 No.5
This study was performed to assets the operating characteristics of food waste composting and co-composting (food waste + sewage sludge) at a compelling facility. The facility was being operated successfully without being affected by kind of composting feed materials. Partial anaerobic condition was detected during food waste composting and co-com-posting, but these two composting systems were proven to be operated successfully under aerobic condition from the monitoring results of $O_2$, volatile solids reduction rate, temperature, and other parameters. The conductivity and chloride concentrations of compost were gradually increased during two composting periods, but the conductivity and chloride concentrations of co-compelling indicated lower values than those of food waste composting at final point(40 m). As a result, co-composting was turned out to be more desirable than food waste composting, considering salt problem. High correlations ($R^2$= 0.9265 for food waste composting and $R^2$= 0.9685 for co-composting) between CEC and volatile organic matter were found. Quality of composts produced from two composting process satisfied Korean heavy metal standard.
남궁완,박준석,이노섭,Namkoong, Wan,Park, Joon-Seok,Lee, Noh-Sup 유기성자원학회 2000 유기물자원화 Vol.8 No.1
바이오필터 기술은 수백 ppmC의 저농도 배가스를 처리하는 데에 있어 효과적이며, 비용이 저렴하고 환경적으로 건전한 처리방법이다. 적용범위로는 폐수처리장, 퇴비화시설, 음식물가공공장에서 발생되는 악취를 비롯하여 매립지가스 및 토양증기추출(SVE, soil vapor extraction)시 발생되는 휘발성 배가스의 처리등이 있다. 바이오필터 기술을 효과적으로 적용하기 위해서는 문헌연구를 꼼꼼하게 실시 한 후 실험실규모, 파일롯트규모, 그리고 현장규모로 점차 확대하여 실시하는 것이 바람직하다. 본고에서는 바이오필터 기술의 원리, 설계인자, 운전조건, 적용사례, 그리고 경제성 평가를 중심으로 고찰하였다. Biofiltration is an environmentally-sound technology for elimination of VOCs and odorous compound from low-concentration, high-volume waste gas streams because of its simplicity and cost-effectiveness. It can be appled to the treatment of gases from publicly owned treatment works, composting facilities, landfill sites, and soil vapor extraction systems. The ability to design an effective biofilter system involves a combination of fundamental biofilter knowledge, practical experience, and bench- and pilot-scale testing. The objective of this paper was to review principle, design parameters, operational conditions, case studies, and economy of biofiltration through literature.
콜타르 오염토양의 슬러리상 생물반응기 처리를 위한 일단 및 이단 재순환식 공정의 효율성
남궁완,박진홍,이노섭,김정대,박준석,NamKoong, Wan,Park, Jin-Hong,Lee, Noh-Sup,Kim, Joung-Dae,Park, Joon-Seok 한국환경보건학회 2005 한국환경보건학회지 Vol.31 No.5
This research was performed to evaluate the effectiveness of one- and dual-stage recycled-water systems in slurry bioreactor treatment for coal tar-contaminated soil. Silty loam soil was used for this research. Coal tar and 14 target PAHs (Polycyclic Aromatic Hydrocarbons) concentration in the soil were determined with gas chromatography. There was no significant difference between removal efficiencies of one- and dual-stage recycled water systems in case of about 4,000 mg coar tar/kg. However, the dual-stage system increased significantly the removal efficiency in case of about 20,000 mg coar tar/kg and the first-order kinetic constant of the system was over 1.5 times higher than that of one-stage recycled water system. 3-Ring compounds in PAHs was removed completely within 30 days of operation. Coar tar was removed in over 96% through biodegradation and removed in about 4% by evaporation. High correlation coefficient($r^2=0.91$) was found between water solubility and removal efficiency of the cyclic compounds.
지렁이를 이용한 슬러지 안정화시 부하율의 영향 및 슬러지 종류별 안정화 가능성 검토
서성철,박종안,이노섭,배형석,이종화,허준무,김준현 순천향대학교 기초과학연구소 1997 순천향자연과학연구 논문집 Vol.3 No.2
Stabilization of organic sludges using earthworms was conducted in a laboratory to investigate the effect of feed rate on the vermistabilization, and feasibility of vermistabilization of various sludge was also carried out to further wider application of vermistabilization. Sludges used in this study were septic tank sludge, papermill sludge and brewery sludge. Sludge reduction, cast production, earthworm growth rate and cocoon production were monitored periodically to check degree of stabilization. Feed rate of septic tank sludge did not have a notable effect on the sludge reduction and cast production per unit weight or earthworm. There was also no difference in the earthworm growth rate per unit weight of the sludge removed among the different sludge feed rate. The amount of septic tank sludge, papermill sludge and brewery sludge per gram of earthworm per day were 0.06, 0.05, and 0.02g, respectively. The weight of increase of earthworm per unit weight of the sludge removed was 0.18g/g for the septic tank sludge, 0.21g/g for the papermill sludge, and only 0.06g/g for the brewery sludge. It was therefore concluded that brewery sludge was not suitable for vermistabilization mainly due to high organic content to be easily converted organic acid. The concentrations of several heavy metals, volatile solids, total organic carbon and total kjeldahl nitrogen in the cast were generally lower than those in the raw sludges.