%0 Journal Article
%T Removal of Cr from Tannery Sludge by Acidophilic Thiobacilli<br>利用嗜酸性硫杆菌去除制革污泥中铬的研究
%A ZHOU Li-xiang
%A FANG Di
%A ZHOU Shun-gui
%A WANG Dian-zhan
%A WANG Shi-mei
%A <br>周立祥
%A 方迪
%A 周顺桂
%A 王电站
%A 王世梅
%J 环境科学
%D 2004
%I 
%X The removal of Cr from tannery sludge by bioleaching technology was reported in the paper. Batch experiments involved the inoculation of acidophilic Thiobacilli and addition of elemental sulfur as their substrate. Results showed that Cr removal of 100% could be obtained after 8 days of bioleaching. The oxidation of added sulfur by acidophilic Thiobacilli decreased sludge pH value which caused the solubilization of Cr from tannery sludge. A threshold pH of 2.0 existed for Cr solubilization from tannery sludge, below which Cr solubilization efficiency sharply increased to 80%-100%. This study might provide a newly attractive alternative for the treatment and disposal of heavy metal-contaminated solid wastes.
%K tannery sludge
%K acidophilic Thiobacilli
%K bioleaching
%K Cr
%K powdered sulfur<br>制革污泥
%K 生物淋滤
%K 嗜酸性硫杆菌
%K 铬
%K 硫粉
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=37D086E9A1D6B094&yid=D0E58B75BFD8E51C&vid=C5154311167311FE&iid=CA4FD0336C81A37A&sid=95D537AC89B28832&eid=5C3443B19473A746&journal_id=0250-3301&journal_name=环境科学&referenced_num=46&reference_num=20