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후원사 혜택 안내
지면 광고 안내
소개 및 활동/사업
대한화학회 창립 75주년
현재 가능한 작업은 아래와 같습니다.
09월 06일 15시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능
제112회 대한화학회 학술발표회, 총회 및 기기전시회 안내
Pretreatment System for copper recovery device applied rated copper recovery
2013년 8월 26일 14시 22분 40초
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10월 16일 (수요일) 16:00~19:00
HAEDONG TECHNOLOGY Co.,Ltd., Korea
PCB etching and stripping processes in the manufacturing process after the cleaning process that occurs in low concentrations of copper etching and stripping processes compared to the concentration of copper is low emissions. So, because of the low recovery rate of waste water treatment plant is fed with a high concentration. In this study, in the manufacture of PCB cleaning wastewater generated in the cleaning process by analyzing the chemical properties of cleaning wastewater to understand. Also, cleaning the copper contained in the wastewater are effectively recovered and are looking for a way to resource recycling. PCB etching occurs on-site cleaning wastewater generated in the primary, the first detachment Sampling cleaning wastewater TOC, conductivity, Cu were analyzed. As a result, etching and stripping wastewater cleaned when comparing cleaning wastewater containing copper was higher in etching. Also ablation etching and cleaning of waste water cleaning wastewater TOC and Conductivity is measured higher load of wastewater treatment and inhibits copper absorption was considered to be a factor. Thus, the degradation of the compounds contained in wastewater pretreatment for was to use the facility. Using the photocatalytic pretreatment facility UV/TiO
System was selected. Gel state by hydrolysis of TiCl
prepared and coated on the quartz tube. Four times a coating is found to have the highest efficiency was applied to study the adsorption of metal ions copper selective chelating resin was used as the adsorption. As a result, copper is far short of the expected standard of 85% of its yield was about 60%. This equipment is UV/TiO
Pretreatment System is not operating normally in the decomposition of the compound that is expected as a result. After recovery through research to find ways to increase will have to see. 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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