BIOTECHNOLOGICAL METHODS FOR PROCESSING SUBSTANDARD ORES AND WASTES
Journal Title: Мікробіологія і біотехнологія - Year 2018, Vol 0, Issue 2
Abstract
The information about using of biotechnological methods for the processing of mineral and technogenic raw materials was analyzed and summarized in the article. A review of the main groups of microorganisms that make up the microbiocenosis of various ecological niches and wastes is given. The leading role of acidophilic chemolithotrophic bacteria in the oxidation process of natural sulphide raw materials is also shown. Basic mechanisms of bacterial leaching of metals and the influence of various factors on the efficiency of oxidation of sulfides are considered. A characteristic of the main methods of bacterial leaching – tanks, underground and heap was given and there were considered their advantages and disadvantages. The article gives the world examples of the use of bioleaching for the production of copper, nickel, gold, uranium. It is noted that there is no practical application of bacterial leaching for processing technogenic raw materials, in particular, coal and energy industry waste for the extraction of valuable metals – germanium, gallium, etc.
Authors and Affiliations
I. A. Blayda, T. V. Vasyleva
Keywords
Related Articles
- EP ID EP396606
- DOI 10.18524/2307-4663.2018.2(42).134295
- Views 97
- Downloads 0
INFLUENCE OF POTASSIUM ALUM ON THE SYNTHESIS OF MICROBIAL SURFACE-ACTIVE COMPOUNDS
Aim. The investigation of stimulating effect of potassium alum on biosurfactant synthesis by bacteria of different taxonomic groups. Methods. Bacterial strains were cultivated on nutrient media with the addition of alum....
CELLULOLYTIC ACTIVITY OF STRAIN OF THE FUNGUS ACREMONIUM SP. 502 PICKED UP FROM AFFECTED CUCUMBER PLANTS
The aim of the work was to study the cellulase activity of the strain Acremonium sp. 502 depending on medium pH, as a determinant of its penetration into the plant. Methods. The strain Acremonium sp. 502 was cultivated o...
OPTIMIZATION OF THE NUTRIENT MEDIUM FOR CULTIVATION OF PSEUDOMONAS MALTOPHILIA ONU329 STRAIN – SORBENT OF HEAVY METALS IONS AND DESTRUCTOR OF OIL HYDROCARBONS
Aim. Optimization of the nutrient medium (NM) for cultivation of Pseudomonas maltophilia ONU-329 strain – sorbents of heavy metals ions and destructors of oil hydrocarbons to obtain the maximum amount of biomass of bacte...
MODERN METHODS OF DIAGNOSIS AND TREATMENT OF HELICOBACTER PYLORI
In this review the modern data about the history of discovery, biology, virulence factors, infection, pathogenesis and modern methods of diagnostics of gram-negative, mobile bacteria Helicobacter pylori (H. pylori), bein...
BACTERIAL DESULPHURIZATION OF COALS
The review contains literature data about the amount of various forms of sulfur in coals and its impact on the qualitative characteristics of coal. The technological and environmental problems resulting from the combusti...