%0 Journal Article
%T Effect on Iron Release in Drinking Water Distribution Systems<br>给水管网中铁释放现象的影响因素研究
%A NIU Zhang-bin
%A WANG Yang
%A ZHANG Xiao-jian
%A CHEN Chao
%A WANG Sheng-hui
%A <br>牛璋彬
%A 王洋
%A 张晓健
%A 陈超
%A 王生辉
%J 环境科学
%D 2007
%I 
%X Batch-scale experiments were done to quantitatively study the effect of inorganic chemical parameters on iron release in drinking water distribution systems. The parameters include acid-base condition, oxidation-reduction condition, and neutral ion condition. It was found that the iron release rate decreased with pH, alkalinity, the concentration of dissolved oxygen increasing, and the iron release rate increased with the concentration of chloride increasing. The theoretical critical formula of iron release rate was elucidated. According to the formula, the necessary condition for controlling iron release is that pH is above 7.6, the concentration of alkalinity and dissolved oxygen is more than 150 mg/L and 2 mg/L, and the concentration of chloride is less than 150 mg/L of distributed water.
%K iron release
%K corrosion scale
%K pH
%K alkalinity
%K dissolved oxygen
%K chloride ion<br>铁释放
%K 腐蚀管垢
%K pH
%K 碱度
%K 溶解氧
%K 氯离子
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=205F826DD5CA2305&yid=A732AF04DDA03BB3&vid=D3E34374A0D77D7F&iid=F3090AE9B60B7ED1&sid=4A88F609574C3C9F&eid=3AF8E7E05757FA19&journal_id=0250-3301&journal_name=环境科学&referenced_num=0&reference_num=14