Isolation and identification of a mesophilic iron oxidizing bacteria from a Zambias AMD
Based on its physiological characteristic, such as pH, temperature, and its ability to use ferrous iron as energy source, a mesophilic iron oxidizing bacterium has been isolated from an Acid Mine Drainage ( AMD) sampled at Chambishi Copper Mine ( Zambia). The strain is rod-shaped, and slightly motile. It can grow autotrophically on ferrous iron, and its optimal growth condition is pH 2, 0 at 301. 16S rRNA and gyrB genes sequences analysis revealed that the new isolated bacterium is phylogenetically clustered to Acidithiobacillus ferrooxidans species, and then is designated Acidithiobacillus ferrooxidans strain Foxl. Bioleaching experiment revealed that the new isolate can efficiently improve pyrite dissolution, and an iron extraction rate of 75％ was approximately obtained after 18 days leaching.
Acidithiobacillus ferrooxidans- isolation rep-PCR 16S rRNA and gytB genes bioleaching
Ngom Baba Yi Liu Huaqun Yin Yili Liang Xueduan Liu Guanzhou Qiu
School of Minerals Processing and Bioengineering, Central South University, 410083, Changsha, China Key Laboratory of Biometallurgy, Ministry of Education, 410083, Changsha, China
国际会议
The 19th International Biohydrometallurgy Symposium(第19届国际生物湿法冶金大会 IBS2011)
长沙
英文
782-788
2011-09-18（万方平台首次上网日期，不代表论文的发表时间）