Beneficiation of iron ore slime using Aspergillus niger and Bacillus circulans

被引：29
|
作者：
Pradhan, N. [1 ]
Das, B. [1 ]
Gahan, C. S. [1 ]
Kar, R. N. [1 ]
Sukla, L. B. [1 ]
机构：
[1] CSIC, Reg Res Lab, Bhubaneswar 751013, Orissa, India
来源：
BIORESOURCE TECHNOLOGY | 2006年 / 97卷 / 15期
关键词：
iron ore slime; Aspergillus niger; Bacillus circulans; bio-beneficiation; alumina removal;
D O I：
10.1016/j.biortech.2005.08.010
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Studies were carried out on the removal of alumina from iron ore slime containing (%) Fe2O3 75.7, Al2O3 9.95, SiO2 6.1, Fe (total) 52.94 with the help of Bacillus circulans and Aspergillus niger. B. circulans and A. niger showed 39% and 38% alumina removal after six and 15 days of in situ leaching at 10% pulp density, respectively. Culture filtrate leaching with A. niger removed 20% alumina at 2% pulp density with 13 day old culture filtrate. B. circulans was more efficient than A. niger for selective removal of alumina. In case of A. niger in situ leaching rather than culture filtrate leaching was found to be more effective. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1876 / 1879
页数：4
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