%0 Journal Article
%T Study on influencing factors of Cr6+ removal in water by metal iron<br>金属铁去除水中Cr6+的影响因素研究
%A Li Hongjiang
%A Jiang Yonghai
%A Xi Beidou
%A Dong Donglin
%A Hui Yuan
%A Han Liang
%A <br>李红江
%A 姜永海
%A 席北斗
%A 董东林
%A 惠媛
%A 韩亮
%J 环境工程学报
%D 2011
%I 
%X The influence of Fe/Cr6+ ratio and the effect of NO-3,Cl-,SO2-4 concentrations on Cr6+ removal are studied in this research. The results show that Cr6+ in the contaminated water can be removed by metal iron. The removal efficiency decreases and the metal iron activity subjects to devitalize under Fe/Cr6+ ratio lower than 2 000, while the removal efficiecncy and metal iron activity can be improved when Fe/Cr6+ ratio is higher than 8 000. Three kinds of anions (NO-3,Cl-,SO2-4) can accelerate the removal process of Cr6+. However, there is no evident discrepancy for the influence of three kinds anions on Cr6+ removal at initial reaction, while the promotion function of SO2-4 for Cr6+ removal is more effective than Cl- and NO-3 afterward. The sequence of promotion ability of metal iron to Cr6+ removal is: SO2-4> Cl-> NO-3.
%K metal iron
%K Cr6+
%K removal efficiency
%K inorganic anions<br>金属铁
%K Cr6+
%K 去除率
%K 无机阴离子
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=9ED5315BE6F4BC6F4546FF48E67BB714&yid=9377ED8094509821&vid=94C357A881DFC066&iid=38B194292C032A66&sid=9296A146D1D94BC4&eid=60E9AACF61B3107F&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=0