http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정보산업 폐수로부터 전기화학적 구리회수 공정의 경제성 및 환경성에 관한 연구
전관수,권상우,양봉호 한국폐기물자원순환학회 2013 한국폐기물자원순환학회지 Vol.30 No.6
Economic and environmental aspects of electrochemical copper recovery from LCD manufacturing process and through hole plating process for PCB circuit board wastewater were evaluated. The extraction rate of copper per unit energy was decreased as HRT increased and initial copper concentration decreased. About 65 minutes was determined as the optimal HRTs which could maximize the productivity of copper recovery on energy. The extracted mass of copper from the wastewater were 0.045 g at 50 mg Cu/L, 0.083 g at 1,000 mg Cu/L and 0.098 g at 3,000 mg Cu/L by unit energy (Wh) for 60 minutes, respectively. LCA (Life Cycle Assessment) technique determined the electrochemical recovery of copper to have more effect on global warming than other environmental impact categories.
오존 및 초음파 복합처리를 이용한 하수슬러지 감량화 및 메탄발생 특성 연구
전관수(Kwan-Soo Jun),양봉호(Bong-Ho Yang),김점동(Chom-Dong Kim) 한국열환경공학회 2011 한국열환경공학회 학술대회지 Vol.2011 No.-
This study evaluated the solubilization of the sludge by co-ozonation with ultrasonication and compared the methane production through a BMP test. The BMP test result showed when co-ozonation and ultrasonication were performed in a sequence the maximum methane production speed and the maximum methane gas production amounts were highest at 10.33 mL CH4/g VS/day and 166.64 mL CH4/g VS. As a result of this study, co-ozonation with ultrasonication would be useful for solubilization of organic sludge before the anaerobic digestion