May 2004
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Producing Copper Nature's Way: Bioleaching
Bioleaching is the extraction of a metal from sulfide ores or concentrates using materials found native to the environment; namely, water, air and microorganisms. In other words, bioleaching is the commercialization of the ability of certain bacteria and archaea, found in nature, to catalyze the oxidation of sulfide minerals.
February 2004
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Useful Service Life Evaluation Testing of Copper Tubing for Gas Distribution System in California
This paper presents the result from this test program, along with the key details of the test program. These include the scope of work, the test set-up, summary of test results and the conclusions based on analysis of the test results. - Copper - Something New Under the Sun?