Biosynthesis of natrojarosite by immobilized iron-oxidizing bacteria

被引：8
|
作者：
Wang, Yujian [1 ]
Li, Hongyu [2 ]
Li, Daping [1 ]
机构：
[1] Chinese Acad Sci, Chengdu Inst Biol, Key Lab Environm & Appl Microbiol, Chengdu 610041, Peoples R China
[2] Lanzhou Univ, Sch Life Sci, Inst Microbiol, Lanzhou 730000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MINERAL PROCESSING | 2013年 / 120卷
关键词：
Biosynthesis; Aeration; Immobilized cells; Precipitation; Ferrous iron; ACIDITHIOBACILLUS-FERROOXIDANS; SODIUM ALGINATE; FE2+ OXIDATION; JAROSITE; SCHWERTMANNITE; COMPLEX; PVA;
D O I：
10.1016/j.minpro.2013.02.006
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Natrojarosite is a very important material. In this paper biosynthesis of pure natrojarosite by immobilized Acidithiobacillus ferrooxidans was described. Scanning electron microscopy (SEM), ICP-AES and XRD analysis revealed the character of natrojarosite. The process is principally influenced by extracellular substances. H+ reduction and the oxidation of Fe2+ can accelerate production of the precipitation. Monovalent cation of the precipitation depends on pH value, especially the type and concentration of monovalent cation in solution. This research thus shows a novel application of A. ferrooxidans. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：35 / 38
页数：4
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