Three Chemosynthetic Autotrophic Bacteria Important to Leaching Operations at Arizona Copper Mines

Three Chemosynthetic Autotrophic Bacteria Important to Leaching Operations at Arizona Copper Mines
Author: John D. Corrick
Publisher:
Total Pages: 16
Release: 1967
Genre: Copper ores
ISBN:

Three species of chemosynthetic iron- and sulfur-oxidizing autotrophic bacteria have been isolated from the leaching waters of copper mining areas. These species are: The sulphur-oxidizzing Thiobacillus concretivorus, the iron-oxidizing Ferrobacillus ferrooxidans, and the sulfur- and iron-oxidizing bacterium closely resembling Thiobacillus ferrooxidans.

Leaching Copper Sulfide Minerals with Selected Autotrophic Bacteria

Leaching Copper Sulfide Minerals with Selected Autotrophic Bacteria
Author: Joseph A. Sutton
Publisher:
Total Pages: 32
Release: 1964
Genre: Autotrophic bacteria
ISBN:

The chemistry involved in the microbial dissolution of iron and copper from such sulfide minerals as pyrite, chalcopyrite, chalcocite, covellite, and bornite is described. The chemical criteria used to evaluate the activity of microorganisms on these minerals were changes in pH, ferric iron produced, and oxygen consumption.