Quantitative elucidation of the effect of EBCT on adsorption and biodegradation of biological activated carbon filters

被引：0
|
作者：
Liang, CH [1 ]
Chiang, PC
Chang, EE
机构：
[1] Natl Taiwan Univ, Grad Inst Environm Engn, Taipei 106, Taiwan
[2] Taipei Med Univ, Dept Biochem, Taipei 110, Taiwan
来源：
JOURNAL OF THE CHINESE INSTITUTE OF CHEMICAL ENGINEERS | 2004年 / 35卷 / 02期
关键词：
adsorption; biodegradation; biological activated carbon (BAC); granular activated carbon (GAC); empty bed contact time (EBCT); ozonation by-product (OBP);
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This research was focused on differentiating the adsorption and biodegradation quantities of a biological activated carbon (BAC) column, and on evaluating the effect of empty bed contact time (EBCT) on the performance of the two mechanisms simultaneously for the removal of dissolved organic matter from water. The performance of adsorption and biodegradation on the BAC column was studied using continuous columns tests, and four typical ozonation by-products were selected as the target compounds. The results show that EBCT could influence the performance of both adsorption and biodegradation in extent. Increasing EBCTs could make the equilibrium more complete for adsorption, thereby improving the performance. The ratio of adsorption to biodegradation on the BAC column increased as EBCT increased, and this implied that adsorption was dominant in an equilibrium condition.
引用
收藏
页码：203 / 211
页数：9
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