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신응배,Sin, Eung-Bae 한국상하수도협회 1986 水道 Vol.36 No.-
본 논문은 한국의 급수 문제와 앞으로의 계획을 제시하고 있다. 한국의 지하수 사용량은 전체 상수원의 약 2%에 불과하며 인구 과밀지역이 주로 하천 하구에 위치하므로 많은 수처리 및 수질문제와 원거리 송수시설이 예상된다. 개발이 용이한 수자원은 이미 개발이 완료되었기 때문에 새로운 계획에 투자되는 단가는 과거에 비해 훨씬 높아질 것으로 예상된다. 본 논문은 앞으로의 문제점과 제약조건 등을 논의하였으며 특히, 주민참여의 필요성을 논의 하였다.
혐기-간헐포기 공정에서 기질의 종류에 따른 Biosorption 특성 평가
신응배 ( Sin Eung Bae ),김미경 ( Kim Mi Gyeong ),김재헌 ( Kim Jae Heon ) 한국물환경학회 2003 한국물환경학회지 Vol.19 No.5
In this study, five representative substrates (glucose, acetate, starch, humic acid, and glycogen) having different characteristics of biodegradability and microbial acclimation were chosen for evaluating biosorption capacity using activated sludge and autoclaved sludge as sorbents, and also effects of contact time, substrate concentration and anaerobic/aerobic conditions were investigated. Results showed that the anaerobic biosorption finished within 10 minutes after contact with substrates and the removal of glucose was two times greater than that of acetate. Considering that the microbes used in this study have been acclimated to glucose, this implies that the microbial acclimation is an important factor for biosorption. In cases of glucose, acetate, and starch, the substrate was removed by biological mechanism rather than by physicochemical mechanisms. The sorption experiments using the autoclaved sludge showed the constant substrate removal of 10-20 ㎎ COD/g SS. Results also showed that the biosorption of the activated sludge fitted the Langmuir isotherm and was largely affected by substrate affinity, biodegradability and microbial acclimation.
합류식 하수관거 지역에서 강우시 하수처리장 적정운영방안에 관한 연구
이두진 ( Lee Du Jin ),신응배 ( Sin Eung Bae ),홍철의 ( Hong Cheol Ui ),안세영 ( An Se Yeong ) 한국물환경학회 2004 한국물환경학회지 Vol.20 No.2
The purpose of this study was to evaluate alternatives for stable operation of WWTP(Wastewater Treatment Plant) with a higher rate of inflows and a higher concentration of pollutants during wet weather to minimize the pollution loads being discharged into receiving waters. 3Q(Q: dry weather flow) of a base flow is normally intercepted and flows into WWTP as it was current practice. It is revealed by simulation that the bypassing alternative of 1Q through secondary treatment and 2Q into the stream after primary treatment was as good as it is expected. The bypass pollution loads were in the range of 23.9 - 38.5% of the total loads flowing into the WWTP indicating that the bypassed flows need an extra treatment such as stormwater detention reservoir, high-rate coagulation with sedimentation, and step-feed. The high-rate coagulation with sedimentation was the most effective with respect to removal of the pollution loads.
홍재용 ( Hong Jae Yong ),신응배 ( Sin Eung Bae ),김연권 ( Kim Yeon Gwon ),김백중 ( Kim Baeg Jung ) 한국물환경학회 2003 한국물환경학회지 Vol.19 No.4
Recently, in order to meet the Strengthened effluent standard retrofitting the conventional activated sludge process into the advanced treatment process is on the increase, and the changes in microbial biomass fractions within the corresponding process largely affect the effluent water quality. depending on the operational condition. In this study, in order to evaluate the Changes in microbial fractions within the process, depending on the process change. weekly monitoring and respirometric method performed. As results from observing profile changes. the acclimation towards corresponding process and substrate was completed after about 4-5 weeks of adaptation period. The biomass fractions of heterotrophs and autotrophs for activated sludge and BNR process sludge changed from 19.0-21.8 to 15.8-16.1% and from 0.8-1.0 to 7.6-8.8% in VSS. respectively. Based on these results, it was concluded that the Changes in characteristics of activated Sludge process and advanced treatment process, depending on the microbial acclimation, can be better explained.