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- W4230419422 abstract "정수용 입상활성탄(Granular Activated Carbon, GAC)에서 발생하는 세균 생장 현상을 파악하기 위해 활성탄 칼럼을 제작하고, 수돗물을 고정식 상향류 방식으로 (EBCT = 0.92~1분) 통수시켰다. 봄에는 14일 동안 세균수의 파과(breakthrough) 현상이 없었다. 여름에는 야자계와 석탄계 활성탄 칼럼의 유출 세균수는 비슷하여 파과전에 <TEX>$10^2$</TEX> CFU/ ml수준으로 유입수보다 낮았지만, 10일 이후 유출수가 <TEX>$10^3$</TEX> CFU/ml 로 유입수의 <TEX>$10^2$</TEX> CFU/ml보다 높은 값을 보였다. 칼럼 내부 4지점의 활성탄을 깊이에 따라 분석했을 때 유입수 유입부에 가까울수록 많은 세균수가 관찰되었고 세균군집의 활성은 유사하였다 성장하는 세균은 야자계와 석탄계 활성탄이 서로 달랐지만 Acinetobacter 속이 우점을 이루고 있는 것으로 나타났다. To investigate the bacterial growth on granular activated carbon (GAC) for the purification of tap water, fixed bed columns with GAC were installed and operated at an empty bed contact time (EBCT) of 1 min<TEX>$pm$</TEX>0.08 min. There was no bacterial breakthrough in the spring. However, the bacterial concentrations of effluent ((<TEX>$10^3$</TEX> CFU/ml) were higher than that of the influent (<TEX>$10^2$</TEX> CFU/ml) after 10 day operation in summer. More bacteria were enumerated near the entering point of the tap water, while the bacterial activities were similar throughout the columns. Different bacterial species were detected on coal- and plant-based GAC, although the dominant genus was the same as Acinetobacter." @default.
- W4230419422 created "2022-05-11" @default.
- W4230419422 date "2004-02-01" @default.
- W4230419422 modified "2023-10-18" @default.
- W4230419422 title "Bacteria on Granular Activated Carbon for Tap Water Purifier" @default.
- W4230419422 doi "https://doi.org/10.5352/jls.2004.14.1.163" @default.
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