%0 Journal Article
%T Preparation of coated nanoscale zero-valent iron and its application in removing KN-R from wastewater<br>包覆型纳米零价铁的制备及其去除水中的活性艳蓝
%A Cheng Yue
%A Jiao Chuang
%A Fan Wenjing
%A Liu Haijiang
%A <br>成岳
%A 焦创
%A 樊文井
%A 刘海江
%J 环境工程学报
%D 2013
%I 
%X 采用流变相法,以FeSO4.7H2O∶KBH4=1∶2(摩尔比)为固相介质,0.06 g/mL CMC(羧甲基纤维素)水溶液为液相介质,固液比1∶2,反应2 h制备出包覆型纳米零价铁;采用XRD、TEM等手段对合成的纳米零价铁进行表征。探讨不同反应条件对包覆型纳米铁去除活性艳蓝的影响。实验结果表明,初始活性艳蓝(浓度100 mg/L)pH为5,包覆型纳米铁的投加量为6 g/L,反应时间为30 min时,活性艳蓝的去除率可达96%。通过研究机理,其吸附过程符合二级吸附动力学,降解过程符合一级反应动力学。
%K rheological
%K nanoscale zero-valent iron
%K carboxymethyl cellulose
%K reactive brilliant blue<br>流变相
%K 纳米零价铁
%K 羧甲基纤维素
%K 活性艳蓝
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=E036B4DC96F1D7ED1BE907F68485280E&yid=FF7AA908D58E97FA&vid=DF92D298D3FF1E6E&iid=CA4FD0336C81A37A&sid=8E6AB9C3EBAAE921&eid=11B4E5CC8CDD3201&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=13