Odor control
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United States of America Patent
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May 27, 2014
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app pub date -
Apr 6, 2009
filing date -
Apr 4, 2008
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Abstract
A process for producing a mineral concentrate product that at is at least a substantially odor-free product comprises any one or more than one of (a) organics removal by (i) treatment of a froth product slurry containing floated mineral particles to remove organic compounds from the mineral particles and/or (ii) thermal treatment, and (b) addition of chemicals to prevent residual organic compounds on mineral concentrates being converted to odorous compounds, particularly while the concentrates are being stock-piled or transported.
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