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강용태,원태준,한상윤,고영발,박경덕 東亞大學校 建設技術硏究所 2008 硏究論文集 Vol.32 No.1
The wastewater from textile industry typically containing high alkalify, salts, organic matter, and high color. Textile wastewater is usually treated by anaerobic-aerobic activated-sludge process. The activated-sludge process is effective the reduction of organic matter, but generally does not remove color. Ozone process is one of the most effective process in removal of color for the textile wastewater. Ozone has a strong oxidized dissolution of organism, deceleration, deodorization, fumigation, etc., regarding to water. This study focused on the color removal of textile wastewater. In this study, textile wastewater was treated strongly with ozone at 650mg/hr and the flow rate through ozone contact tank was adjusted to 5L/min. In an application Ozone treatment, Color was generally decreased with time, however, COD removal effect was not that good. In this study, the removal efficiencies of CODcr and Color were 23.5%, 80.4% respectively.
하수고도처리시스템을 이용한 CSOs와 도시하수의 동시처리
강용태 ( Yong Tae Kang ),고영발 ( Young Bai Ko ),한동우 ( Dong Woo Han ),송근관 ( Kune Kwan Song ),한상윤 ( Sang Yun Han ),김연은 ( Jeong Ho Sohn ),손정호 ( Yun Eun Kim ) 한국수처리학회 2011 한국수처리학회지 Vol.19 No.5
The purpose of this study is a configuration of treatment system for the CSOs and urban sewerage. A new model system regarding the treatment of the CSOs runoff and urban sewage has been developed as the RSF-AWT respectively, which will be operated for the purpose of investigation of optimal operation condition and characteristics of the removal of the substrates through the operation of pilot plant. The RSF-AWT system reveals to promote high efficiency for treatment to be satisfied the water quality standard for the treated sewage effluents in the case of RSF effluents fed into at the aerobic reactor of AWT showing the average removal rates as 92.8 %, 90.8 %, 94.9 %, 45.0 % and 79.6 % for SS, CODMn, BOD, T-N and T-P respectively. Also, the sludge loading ratio shows to reduce three times less in the case of adopting optimal feeding point of RSF effluent than in the case of not adopting optimal feeding point of RSF effluent at bioreactor through the analytical result of the sludge loading in final sedimentation tank.