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논문 기본 정보

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학술대회자료
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대한환경공학회 대한환경공학회 학술발표논문집 대한환경공학회 2006년도 추계학술발표논문집
발행연도
2006.12
수록면
1,214 - 1,219 (6page)

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In this study, the adsorption of arsenic from aqueous solution by using Activated carbon fibre was investigated. Experiments were conducted to find the effect of operating parameters equilibrium time, flow rate, and initial concentration that affect the adsorption rate. .From the experimental result it was found that average removal efficiency for arsenic was 24% for initial concentration of 10-17 mg/lit. The ACF system showed that for aqueous solution containing arsenic, breakthrough was reached at 5 hours of the experimental run. The result demonstrated that the adsorption capacity of the filter was 0.18 mg/mg of ACF. With the increase of flow rate there was slightly increase in removal of arsenic. Field test result of thirty contaminated site in Sonarang, Bangladesh showed arsenic removal was only 13% in single ACF system while it increased to 24.6% in the ACF system having two ACF in series. Therefore, ACF system with two ACF in series gives better result. Among number of models tested, three dimensional non-linear models gave over 90% fit while for other linear models it was at the range of 5-92% depending upon operating parameter varied. Thus, non linear models best described the relationship of C with C0 and t.

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