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제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Photocatalytic oxidation of copper-containing wastewater in the removal of organic matter investigated the influence of radical scavenger

등록일
2013년 8월 28일 10시 04분 54초
접수번호
0443
발표코드
IND.P-71 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 16일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
공업화학
저자 및
공동저자
김종부, 장다영*, 서항복
HAEDONG TECHNOLOGY Co.,Ltd., Korea
PCB industry occurring in process wastewater contains a large quantity of copper. Copper to form complexes with organic matter removed from the wastewater treatment plant has been fraught with difficulty. In addition, the concentration of copper is more than 1ppm of microorganisms in biological wastewater treatment has been reported that toxic effects. Therefore, in order to efficiently recover the copper complexes formed with pretreatment equipment to remove the organic matter should be focused. Photocatalytic oxidation process factors affecting the reactivity of the factors that have inhibited the formation of radicals. This is called Radical scavenger. Carbonate ions in the water that causes alkalinity (CO3-2) and bicarbonate ion (HCO3-) to exist, these ions trap the OH radical is that acts as a scavenger. OH radicals to produce UV/TiO2 and UV/H2O2 AOP process with respect to the system after the addition of carbonate decomposition characteristics of wastewater DOC reduction was observed. The concentration of carbonate Na2CO3 using 0, 0.1, 0.5, 1mM changing with the decomposition of wastewater DOC removal was observed characteristics. Radical scavenger was worked effect parameter on the photo-oxidation of wastewater. Removal rate of TOC and absorbance was decreased by addition of carbonate ions and TOC removal was more sensitive. Acknowledgement : This research was supported by the Program for the Construction of Eco Industrial Park(EIP) which was conducted by the Korea Industrial Complex Corporation(KICOX) and the Ministry of Knowledge Economy (MKE)

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