Ppt Bioleaching Powerpoint Presentation Free Download Id 2239029 Jul 23, 2014. 210 likes | 1.13k views. bioleaching. personal page. personal page hi, everyone. i'm yang guo , an exchange student from shanghai normal university. i major in biotechnology and this is my last year in university. download presentation. personal comments references. Bioleaching is the process by which metals are dissolved from ore bearing rocks using microorganisms. 4. the most commonly used microorganisms in bioleaching are; o thiobacillus thiooxidants o thiobacillus ferrooxidants other microorganisms which may also be used are; bacillus licheniformis, b. luteus, b megaterium, b polymyxa, b leptospirillum.
Ppt Bioleaching Powerpoint Presentation Id 2239029 The bioleaching process involves providing bacteria with metal ores or concentrates, oxygen, nutrients, and maintaining optimal temperature and ph. factors like mineral composition, surface area, and leaching method affect bioleaching. it allows extraction of metals from low grade ores and has advantages of being cheaper and more. P. pallavishivankar1. bioleaching is a process that uses microorganisms like bacteria and fungi to extract metals from ores. it involves microbes transforming metal compounds into soluble forms that can then be recovered. some key microbes used are thiobacillus ferrooxidans and thiobacillus thiooxidans, which produce acids that dissolve metals. 3. the need for biomining and bioleaching. biomining will become more important as. high grade surface mineral deposits are worked. out and become less viable, and mining companies. will be forced to find other mineral sources. these will include the working of low grade ore. deposits, mine tailings, mine dumps, and. worked out mines. The process • 2 methods direct and indirect • direct enzymatic attack and occurs at the cell membrane • indirect bacteria produce fe3 ( ferric iron) by oxidizing fe2 (ferrous iron) • fe3 is a powerful oxidizing agent that reacts with the metals and so produces fe2 in a continuous cycle. copper process • 25% copper production is.
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