Efficiency of domestic reverse osmosis (RO) in removal of trihalomethanes (THMs) from drinking water

被引：0
|
作者：
Mazloomi, S. [1 ,2 ]
Nabizadh, R. [1 ,2 ]
Nasseri, S. [1 ,2 ]
Naddafi, K. [1 ,2 ]
Nazmara, S. [1 ,2 ]
Mahvi, A. H. [1 ,2 ]
机构：
[1] Univ Tehran Med Sci, Sch Publ Hlth, Tehran, Iran
[2] Univ Tehran Med Sci, Environm Res Ctr, Tehran, Iran
来源：
IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING | 2009年 / 6卷 / 04期
关键词：
Polyamide membrane; reverse osmosis; trihalomethanes; precursor; gas chromatograph; DISINFECTION BY-PRODUCTS; ACID;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The reaction of disinfectants with natural organic materials (NOM) existing in water lead to the formation of Disinfection By-Products. Potentially hazardous and carcinogenic characteristics of THMs recognized. Thus removal of THMs or THMs precursor is necessary for human health the aim of this study was to research of efficiency of domestic reverse osmosis (RO) in removal of trihalomethanes (THMs) from drinking water. In this study was used pilot scale of RO system with Polyamide membrane as Spiral-Wound, Tape wrapping module. Feed solution was made by using of pure chloroform. The samples containing chloroform were analyzed using a gas chromatograph, which equipped with a flame ionization detector. By increasing the flow, the removal rate of chloroform decrease and with declining removal of EC, the removal of chloroform was declined too. In this research, at worst condition, the efficiency of the pilot scale reverse osmosis reached to 80% removal of chloroform.
引用
收藏
页码：301 / 306
页数：6
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