Pre-polymerised inorganic coagulants and phosphorus removal by coagulation - A review

被引：0
|
作者：
Jiang, JQ [1 ]
Graham, NJD [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Civil Engn, London SW7 2BU, England
来源：
WATER SA | 1998年 / 24卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
This paper reviews the use of pn-polymerised inorganic coagulants in water and waste-water treatment, and discusses the removal of phosphorus by chemical precipitation and coagulation. Commonly used inorganic coagulants are aluminium or iron (IU) based salts, but a range of hydrolysed Al/Fe species. and not re Al/Fe salt itself, are responsible for the removal of impurities from water. By the development and use of polymeric inorganic coagulants, the coagulation performance can be improved significantly in some cases. Chemical precipitation and coagulation in phosphorus removal are two different processes. with the former related to the compound solubility acid the latter depending on the destabilisation-adsorption mechanism. Presently, there is uncertainty concerning the mechanisms and overall performance of phosphorus removal by pre-polymerised metal coagulants.
引用
收藏
页码：237 / 244
页数：8
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