%0 Journal Article
%T Treatment of dinitrotoluene sulfonates in TNT red water by active carbon supported and active coke supported NZVI<br>活性焦和活性炭负载纳米铁处理TNT红水中的二硝基甲苯磺酸钠
%A Zhu Shini
%A Xu Ying
%A Ye Zhengfang
%A <br>朱世妮
%A 徐颖
%A 叶正芳
%J 环境工程学报
%D 2012
%I 
%X Activated carbon supported nanoscale zero-valent iron (NZVI/AC) and activated coke supported nanoscale zero-valent iron (NZVI/ACoke) were prepared using liquid phase reducing method.Their transformation capacities of 2,4-DNT-3-SO3Na and 2,4-DNT-5-SO3Na,a kind of degradation refractory nitro aromatic compounds,were compared.The experimental results revealed that activated coke was a better choose for supporting NZVI than activated carbon for the larger relative effective surface area and pore volume as well as enhancing the synergistic action between NZVI and carrier.NZVI/ACoke showed a higher transformation capacity of 2,4-dinitrotoluene sulfonates per unit area than NZVI/AC at first,but it decreased as the amount of NZVI/ACoke increased.However,the area-modified transformation capacities of NZVI/AC almost did not change with increasing amounts of NZVI/AC,and the removal efficiencies of 2,4-dinitrotoluene sulfonates were higher than those gained by NZVI/ACoke.When combined with coagulation-sedimentation,NZVI/ACoke showed a higher transformation capacity of 2,4-DNT-5-SO3Na per unit area than NZVI/AC,but a lower transformation capacity of 2,4-DNT-3-SO3Na than NZVI/AC.
%K activated coke
%K preparation of supported nanoscale zero-valent iron
%K activated carbon
%K TNT red water
%K dinitrotoluene sulfonate<br>活性焦
%K 负载纳米铁制备
%K 活性炭
%K TNT红水
%K 二硝基甲苯磺酸盐
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=50EC58E2D449EA66D84516AD462DA2BA&yid=99E9153A83D4CB11&vid=B31275AF3241DB2D&iid=F3090AE9B60B7ED1&sid=72FB1D5D0D4E6921&eid=E0322A8ACAE9818B&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=22