Sequential water treating and sterilizing method by chloramine after short free chlorine
Title：
Sequential water treating and sterilizing method by chloramine after short free chlorine
Application Number：
 200410042790
Application Date：
 2004/05/28
Announcement Date：
 2005/02/23
Pub. Date：
 2006/11/01
Publication Number：
 1583591
Announcement Number：
 1282613
Grant Date：
 2006-11-1
Granted Pub. Date：
 2006-11-1
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C02F 1/50
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Zhang Xiaojian, Chen Chao, He Wenjie
Key Words：
 Sequential, water treating, sterilizing, chloramine, short free chlorine
Abstract：
 A water treating and disinfecting process for water works includes such steps as adding chlorine in water for disinfecting water by free cl ions for ions for 5-30 min, and adding ammonia to convert said free cl ions to chloroamine for disinfecting water further.
Claim：
Priority：
PCT：
LegalStatus：

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2008-4-17
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