Microwave processing of feedstock, such as exfoliating vermiculite and other minerals, and treating contaminated materials
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United States of America Patent
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May 20, 2014
Grant Date -
Apr 12, 2012
app pub date -
Dec 18, 2009
filing date -
Dec 18, 2008
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Abstract
Ways of applying microwaves to feedstock to be processed are disclosed. One embodiment relates to heating inter-layer water in vermiculite to expand the vermiculite. Another embodiment relates to heating water in oil-contaminated materials and waste products, such as drilling cuttings, contaminated soils and certain types of animal by-products, to drive out oil. In some embodiments a microwave tunnel applicator has the microwaves applied from beneath the feedstock.
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