Title: Sequential water treating and sterilizing method by chloramine after short free chlorine
Application Number: 200410042790 Application Date: 2004.05.28
Publication Number: 1583591 Publication Date: 2005.02.23
Approval Pub. Date: 2006.11.01 Granted Pub. Date: 2006.11.01
International Classifi-cation: C02F1/50
Applicant(s) Name: Tsinghua Univ. Address: 100084
Inventor(s) Name: Zhang Xiaojian, Chen Chao
Attorney & Agent:
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.
Time: 7