Desulfurization of phosphogypsum

United States of America Patent

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Mar 5, 1985
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N/A
app pub date
Feb 14, 1983
filing date
Feb 14, 1983

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Expired

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Abstract

Phosphogypsum is mixed with fine coal, balled, and charged to a travelling grate where the charge is heated under reducing conditions to evolve sulfur and/or sulfur dioxide for conversion into sulfuric acid.

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Patent Owner	Address
DAVY MCKEE CORPORATION	4715 SOUTH FLORIDA AVENUE P O BOX DRAWER 5000 LAKELAND FL 33807

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Inventor Name	Address	# of filed Patents	Total Citations
Ban, Thomas E	South Euclid, OH	9	121
Gardner, Samuel A	Lakeland, FL	1	14

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Desulfurization of phosphogypsum

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United States of America Patent

06466111

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PATENT NO	4503018
SERIAL NO	06466111
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06466111

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