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Study on the inhibition of biological oxidation in sulfide tailings
Author(s):
ZHANG Zhe
,
DANG Zhi
,
SHU Xiaohua
Pages:
1191
-
1195
Year:
2010
Issue:
5
Journal:
Chinese Journal of Environmental Engineering
Keyword:
multi-metal mine tailings
;
biological oxidation
;
bactericides
;
Thiobacillus ferrooxidans
;
Abstract:
硫化物矿山尾矿的风化、氧化会对周围环境产生危害,研究表明,以氧化亚铁硫杆菌为代表的嗜酸氧化菌起了非常重要的作用.本研究以从广东韶关大宝山尾矿分离得到的一株氧化亚铁硫杆菌作为实验菌株,添加不同剂量的杀菌剂,分析了杀菌剂对溶液pH、Eh值的影响,及杀菌剂的Fe~(2+)氧化抑制率和最佳使用浓度.结果显示:实验用杀菌剂SDS 和CTAB能有效地抑制金属硫化物尾矿的生物氧化和酸化:ρ(SDS)为30 mg...
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