http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
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.
고율 혐기성 공정과 아질산-아탈질을 연계한 수산물가공폐수의 질소제거
최용범,강동구,박상성,엄기현,임재명,권재혁,Choi, Yong-Bum,Kang, Dong-Gu,Park, Sang-Sung,Eum, Ki-Hyun,Rim, Jay-Myung,Kwon, Jae-Hyouk 한국환경보건학회 2011 한국환경보건학회지 Vol.37 No.4
Objectives: Organic matter and nitrogen were removed using the EGSB process, a high-rate anaerobic process, in combination with a nitritation-denitritation process, in order to ensure the stable treatment of seafood processing wastewater. Methods: The upflow velocity of an EGGS reactor was operated at 10 m/hr for maximal organics removal efficiency. For removal of nitrogen from seafood processing wastewater a nitritation-denitriation process was applied Results: The efficiency of the EGSB process showed that it has an 80% or more organic matter (CODcr) removal efficiency with an HRT of six hours or more at influent loadings of 17.34 kgCOD/$m^3$/day or less. The methane product for TCODcr removal was 0.23-0.38 $m^3CH_4$/kgCODrem., which was similar to the theoretical generation of STP-state methane, 0.35 $m^3CH_4$/kgTCODrem. In the nitritation-denitritation process, the nitritation conversion rate to $NH_4^+$-N concentration was 82% to 87%, 72% to 81% and 64% to 69% when HRT was 24 hr, 21 hr and 18 hr, respectively. In the denitritation process, the ratio of SCOD consumption to NOx-N removal ranged from 2.347 to 2.587. It was 2.472 on average. Conclusions: The optimal HRT for stable processing of seafood processing wastewater is six hours or more. The ratio of nitrite to total NOx-N was 82% to 96%, which indicates that nitrite accounts for the largest portion of the product.
수질오염총량관리계획의 시행단계에서 오염부하량 할당방안 개선에 관한 연구
김시헌(Sie-Heon Kim),임재명(Jay-Myung Rim) 대한환경위생공학회 2005 대한환경위생공학회지 Vol.20 No.3
Allocation of water pollution load from loading capacity can be much essential, controversial, and its standards can be applied case-by-case to the various situations.<br/> Allocation methods to point sources are generally 'Equal effluent concentration', 'Equal percent Treatment', Loading capacity at planning stage consists of basic pollution load, development pollution load, reserved pollution load and margin of safety. But at the implementing stage loading capacity can be consisted of allocatable load and margin of safety to give more flexibility in the total water pollution load management plan. In that case, we can re-adjust and altogether use the pollution load of point sources of series and non-point sources at the implementing stage.
공공하수종말처리시설의 성능분석 및 효율개선을 위한 기술진단기법 개선
남정민(Jeong Min Nam),김상헌(Sang Heon Kim),임재명(Jay Myung Rim) 강원대학교 환경연구소 2010 Journal of the Environment Vol.7 No.-
The environmental management corporation regularly performs technical diagnosis at live-year intervals according to the sewerage act of korea. However this is based on a simple technique and does not contribute to the improvement of the processes of public sewage treatment plant. This study was intended to public sewage treatment plants to analyze and supplement the existing technical diagnosis technique in order to derive improvement factors for each process and thereby contribute to the improvement of the efficiency of the entire process. In the aeration tank sector, the problems of dead spaces and high DO in the tank had to be solved by improving the process. In addition, considering the actual media of microorganisms attached to the operating SRT is sufficient to achieve the nitrification process, somewhat longer reduces the phosphorus removal process. So needs to be improved, such as sludge return control and SRT reduction operating. Effluent quality was analyzed and COD fraction was tested to identify any necessary additional process to be introduced. The test revealed a high colloidal COD. Test results showed that the introduction of the filtering process would add remove. According to the GPS-X modeling, the simulation revealed that the internal recycling of 1.49Q and sludge return of 0.47Q were the optimal operating parameters.
해산물 가공폐수내 염분농도가 혐기성 최종생분해도와 유기물 다중분해속도에 미치는 영향
최용범(Yong Bum Choi),권재혁(Jae Hyouk Kwon),임재명(Jay Myung Rim) 大韓環境工學會 2010 대한환경공학회지 Vol.32 No.11
본 연구는 해산물 가공폐수를 대상으로 혐기성 미생물, S/I ratio (substrate/inoculum)와 염분농도에 따른 혐기성 최종 생분해도를 평가하였다. S/I ratio 0.9에서 혐기성 소화슬러지와 입상슬러지의 최종 생분해도는 각 72.0, 92.0%로 조사되었으며, 다중분해속도 상수 k1은 소화슬러지가 0.0478~0.1252 day-1, 입상슬러지는 0.0667~0.1709 day-1로 조사되어 입상슬러지가 해산물가공폐수의 혐기성 처리에 적합하였다. 혐기성 최종생분해도 실험을 통해 산정된 최적 S/I ratio는 0.9였으며, 염분농도에 따른 생분해도 실험 결과, 3,000 mgCl-/L 이하에서 85% 이상의 유기물 제거효율을 나타냈다. 다중분해속도 상수 k1은, 3,000 mgCl-/L 이하에서는 0.1603~0.1709 day-1, 6,000 mgCl-/L 이상에서 0.0492~0.0760 day-1로 산정되었으며, k2는 6,000 mgCl-/L 이하에서는 0.0183~0.0348 day-1, 9,000 mgCl-/L에서는 0.0154 day-1로 조사되어, 반응속도 상수(k1, k2)는 Cl- 농도가 증가할수록 감소하였으며, 빠르게 분해되는 유기물 비율(S1)과 분해속도 또한 감소시키는 것으로 조사되었다. In this study, the anaerobic ultimate biodegradability and multiple decay rate of organic matter were evaluated according to various salt concentrations in seafood processing wastewater. The evaluation was also performed with various types of anaerobic bacteria and S/I (substrate/inoculum) ratios. After the S/I ratio was fixed at 0.9, the ultimate biodegradability values of the anaerobic digested sludge and granular sludge were became 72.0% and 92.0%, respectively. The multiple decay rate coefficients (k1) coefficients of the anaerobic digested sludge and granular sludge were 0.0478~0.1252 day-1 and 0.0667~0.1709 day-1, respectively. The optimum S/I ratio of the seafood wastewater, which was determined based on the ultimate anaerobic biodegradability and gas production, was 0.9. The organic matter removal rate never became less than 85.0% under a 3,000 mg/L chloride concentration. The multiple decay rate coefficients (k1) were 0.1603~0.1709 day-1 under 3,000 mgCl-/L, and 0.0492~0.0760 day-1 in more than 6,000 mgCl-/L. The multiple decay rate coefficients (k2) were 0.0183~0.0348 day-1 under 6,000 mgCl-/L, and 0.0154 day-1 at 9,000 mgCl-/L. With increasing chloride concentrations, the reaction rate (k1, k2) and ratio of the rapidly degraded organic matter (S1) decreased.