Biological solubilisation of metals from solid waste materials from copper, steel and recycling industries

被引：0
|
作者：
Vestola, E. A. [1 ]
Kuusenaho, M. K. [2 ]
Narhi, H. M. [2 ]
Tuovinen, O. H. [2 ,3 ]
Puhakka, J. A. [2 ]
Plumb, J. J. [4 ]
Kaksonen, A. H. [2 ]
机构：
[1] VTT Tech Res Ctr Finland, POB 1000, FI-02044 Espoo, Finland
[2] Tampere Univ Technol, Dept Chem & BioEngn, FIN-33101 Tampere, Finland
[3] Ohio State Univ, Dept Microbiol, Columbus, OH 43210 USA
[4] CSIRO Land & Water, Wembley, WA 6913, Australia
来源：
BIOHYDROMETALLURGY: A MEETING POINT BETWEEN MICROBIAL ECOLOGY, METAL RECOVERY PROCESSES AND ENVIRONMENTAL REMEDIATION | 2009年 / 71-73卷
关键词：
copper solubilisation; smelter slag; converter sludge; electronic scrap; metallic waste materials;
D O I：
10.4028/www.scientific.net/AMR.71-73.673
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The aim of the present work was to study the feasibility of using bioleaching for the solubilisation of metals from solid waste streams and by-products of copper, steel and recycling industries. Optimal process conditions were tested using iron and sulphur oxidising acidophiles in shake flasks at 25 degrees C. The effects of inoculum, ferrous iron, sulphur, chloride ion,. pH, and the type of waste material on metal solubilisation were evaluated. Solubilisation of metals was mainly achieved through acid attack due to the formation of sulphuric acid by Sulphur oxidising bacteria. Addition of ferrous iron and chloride ion did not enhance solubilisation.
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页码：673 / +
页数：2
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