bioleaching


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Related to bioleaching: Phytomining

bioleaching

(bī′ō-lē′chĭng)
n.
The process of leaching metals from ore by using bacteria or fungi to convert the metals into a soluble form.

bi′o·leached′ adj.

bioleaching

The extraction of metals from sulphide ore by biologic processes or wild-type bacteria.
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References in periodicals archive ?
The oil shale used in bioleaching experiments was taken from Meihekou City in Jilin Province, China.
Factors influencing bioleaching copper from waste printed circuit boards by Acidithiobacillus ferrooxidans.
From these correlation studies, it appears that the pattern of bioleaching involves the microbial oxidation of pyrite leading to the production of sulphur and sulphate, which decreased the pH and increased other parameters including turbidity, slime production, colour intensity, optical density, iron, conductivity and TDS.
Role of galvanic interaction in the bioleaching of Duluth-Gabbro Cu-Ni sulfides.
Remediation removed 83 percent Cu, 86 percent Cr, and 95 percent As, presumably as a result of the high surface area accessible for acid extraction and bioleaching.
Cheng, "SEM and AFM Images of Pyrite Surfaces after Bioleaching by Indigenous Thiobacillus thiooxidans," Appl.
In one embodiment, the metal may be separated from crushed support material or ore in a bioleaching lagoon by the action of hydrocarbon-utilizing bacteria under anaerobic conditions.
Rate of pyrite bioleaching by Thiobacillus ferrooxidans: Results of an interlaboratory comparison.
Sand W, Tilman G, Jozsa PG, Schippers A (2001) Biochemistry of bacterial leaching--direct vs indirect bioleaching.
Placer Dome proposes to use traditional technology combined with bioleaching to extend the life of the mine another 30 years.
The industry is currently using bioleaching technology and automated remote technology for mining, which are anticipated to lead the industry toward sustained growth.