Adsorbent, method for producing same, and method for processing oil-containing waste water
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United States of America Patent
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Feb 23, 2010
Grant Date -
Sep 4, 2008
app pub date -
Sep 6, 2005
filing date -
Sep 17, 2004
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Abstract
/g or less which is obtained by calcining a particular carbonaceous material at 1000 to 1500° C. and which is preferably obtained by calcining coal coke, petroleum coke or charcoal coke at 1000 to 1500° C. The adsorbent of the present invention exhibits adequate adsorbent ability with respect to an oil component in oil-containing wastewater even when the oil-containing wastewater is an emulsion or contains a low concentration of the oil component, and also stably maintains the adsorbent ability over a long period of time.
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