System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products

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United States of America Patent

PATENT NO 9868647
SERIAL NO

15300822

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Abstract

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Methods and systems that remove impurities from phosphogypsum (PG), including from radium and heavy metal salts, and produce gypsum binders and products. In one embodiment, PG is reacted with a chloride solution in an acidic environment under mechanical manipulation and/or heat followed by galvanic and/or zeolite absorption removal of impurities.

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Patent Owner(s)

  • TECHNION RESEARCH & DEVELOPMENT FOUNDATION LTD.;VANDERBILT UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dashevsky, Boris Haifa, IL 2 3
Kosson, David Samuel Brentwood, US 2 3
Kovler, Konstantin Nesher, IL 4 13
Reches, Yonathan Nashville, US 3 4

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