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KMID : 1156220040300050402
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Journal of Environmental Health Sciences
2004 Volume.30 No. 5 p.402 ~ p.409
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A Study on the Drinking Water Treatment by Precoat Filtration and Activated Carbon Adsorption Process
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Shin Dae-Yewn
Ji Sung-Nam
Kim Ji-Yeoul
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Abstract
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I performed the research about the drinking water treatment by precoat filtration and activated carbon adsorption process in the D water treatment plant at Gwangju. D water treatment plant inlet water is supplied from Juam lake in Jeollanamdo.
The results are as follows;
1. Element disk used in this experiment are R(pore size 10 ㎛), B(pore size 20 ㎛). And diatomaceous earth are A(cake pore size 3.5 ㎛), B(cake pore size 7 ㎛) and C(cake pore size 17 ㎛)
2. Filtrate of precoat filter during 30 min are B-C 10.2 > BB 5.7 > R-A 5.4 (㎥/㎡).
3. The water quality through B-C+AC and R-A+AC are DOC 1.76 mg/l, 1.288 mg/l respectively.
4. Total THMs produced by chlorination are 84.2 ㎍/l (B-C+AC), 66.11 ㎍/l (R-A+AC), 97 ㎍/l (rapid sand filtration water) respectively.
5. The R-A+AC and B-C+AC process can be substitute of CWTS.
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