Michael Newkirk, Age 57419 Lincoln Ave, Pottstown, PA 19464

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Bristol, PA

Pottstown, PA

120 E Street Rd APT E1-1, Warminster, PA 18974 (215) 675-3356

120 E Street Rd, Warminster, PA 18974

16812 1St St, Vancouver, WA 98684

Doylestown, PA

Philadelphia, PA

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Us Patents

Ash Removal From Coal: Process To Avoid Large Quantities Of Hydrogen Fluoride On-Site

US Patent:
2011007, Apr 7, 2011
Filed:
Oct 1, 2009
Appl. No.:
12/571514
Inventors:
Chandrashekhar Ganpatrao Sonwane - Philadelphia PA, US
Sam David Draper - Greenville SC, US
Eric Stephen Kaufman - Simpsonville SC, US
Michael David Newkirk - Simpsonville SC, US
International Classification:
C10L 5/00
B01J 19/00
B01J 4/00
US Classification:
44627, 422119, 422105, 422620
Abstract:
A method and system for treating coal with hydrogen fluoride to remove fly ash and thereafter regenerating substantially all of the hydrogen fluoride used during the process (thereby significantly reducing the amount of HF on site). An exemplary method includes the steps of charging at least one reaction vessel with coal containing fly ash; feeding hydrogen fluoride into the reaction vessel to form a first reaction mixture of soluble reaction products, insoluble fluoride compounds and initially clean coal; separating out the first soluble and insoluble reaction products; feeding nitric acid into the same reaction vessel to react with any remaining fly ash components and separating out those second reaction products; and regenerating substantially all of the hydrogen fluoride used in the first fluoride reaction.

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