REMOVAL OF IRON FROM KAOLIN ORES USING DIFFERENT MICROORGANISMS. THE ROLE OF THE ORGANIC ACIDS AND FERRIC IRON REDUCTASE
- 1 July 1992
- journal article
- research article
- Published by Taylor & Francis in Particulate Science and Technology
- Vol. 10 (3-4) , 201-208
- https://doi.org/10.1080/02726359208906612
Abstract
In the present work the removal of iron, present as impurity in a kaolin of industrial interest, was performed. An effective iron reduction using microbial mixed cultures was attained (up to 81%) while a significant iron reduction in the presence of single microbial cultures was achieved (up to 37%). The active microorganisms belong to the genera Bacillus and Agrobacter. The enzymatic and un-enzymatic iron reduction was evaluated. Finally the molasses as carbon source for heterotrophic bacteria were succesfully tested.Keywords
This publication has 15 references indexed in Scilit:
- Biological and chemical processing of low-grade manganese oresMinerals Engineering, 1990
- Biochemical and chemical events in copper solubilization from a chalcopyrite concentrate by Thiobacillus ferrooxidans in batch cultureInternational Journal of Mineral Processing, 1989
- Precipitate formation in the oxidation of Ferrous Ions in the presence of Thiobacillus ferrooxidansHydrometallurgy, 1988
- Manganese oxide reduction as a form of anaerobic respirationGeomicrobiology Journal, 1987
- Microbiological MiningScientific American, 1982
- Biological reduction of ferric iron by iron- and sulfur-oxidizing bacteria.Agricultural and Biological Chemistry, 1982
- Reduction of iron and synthesis of protoheme by Spirillum itersonii and other organismsJournal of Bacteriology, 1977
- An improved colour reagent for the determination of blood glucose by the oxidase systemThe Analyst, 1972
- Evaluation of iron-reducing bacteria in soil and the physiological mechanism of iron-reduction inAerobacter aerogenesJournal of Basic Microbiology, 1968
- REDUCTION OF FERRIC HYDROXIDE BY STRAINS OF BACILLUS POLYMYXASoil Science, 1947