Removal of organic substances from water by ozone treatment followed by biological activated carbon treatment

被引：40
|
作者：
Takeuchi, Y [1 ]
Mochidzuki, K [1 ]
Matsunobu, N [1 ]
Kojima, R [1 ]
Motohashi, H [1 ]
Yoshimoto, S [1 ]
机构：
[1] EBARA CORP, MUNICIPAL WATER PLANT ENGN DEPT, MINATO KU, TOKYO 108, JAPAN
来源：
WATER SCIENCE AND TECHNOLOGY | 1997年 / 35卷 / 07期
关键词：
adsorption; advanced treatment; biodegradation; biological activated carbon; drinking water purification; fumic substances; molecular weight fractionation; ozonation;
D O I：
10.1016/S0273-1223(97)00128-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
As an advanced water treatment, a combination of ozonation and biological activated carbon (BAG, hereafter) treatment is being applied to purify raw water for municipal use in some cases. The authors examined effects of ozonation on water quality in a batch system, using water samples containing organic substances fractionated to several molecular weight ranges. Also, a flow test of laboratory-scale was performed to study on the capability of the treatment in terms of removal efficiency of the dissolved organic substances, e.g., fumic substances, which preoxidized with ozone, As a result, the changes in equilibrium adsorption and in the biodegradability of organic substances dissolved in water before and after oxidation with ozone were made clear, (C) 1997 IAWQ. Published by Elsevier Science Ltd.
引用
收藏
页码：171 / 178
页数：8
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