Longterm experience in the use of polymeric coagulants at Umgeni Water

被引：30

作者：

Nozaic, DJ ^{[1
]}

Freese, SD ^{[1
]}

Thompson, P ^{[1
]}

机构：

[1] Umgeni Water, ZA-3200 Pietermaritzburg, South Africa

来源：

PARTICLE REMOVAL FROM RESERVOIRS AND OTHER SURFACE WATERS | 2001年 / 1卷 / 01期

关键词：

coagulation; enhanced coagulation; polyelectrolytes; polymeric coagulants;

D O I：

10.2166/ws.2001.0006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Umgeni Water, the bulk treatment authority for the cities of Durban and Pietermaritzburg changed from inorganic coagulants to synthetic polymeric coagulants at its various works in the mid 1980s. The advantages and disadvantages experienced with the new chemicals are discussed in detail in the paper and the changes to test procedures necessary are highlighted. The polymeric coagulants were found to produce good quality water in line with international norms but their unsuitability for enhanced coagulation may preclude their use on some of the works where organic enrichment is becoming a problem.

引用

页码：43 / 50

页数：8