SYSTEM AND METHODS FOR REMOVING IMPURITIES FROM PHOSPHOGYPSUM AND MANUFACTURING GYPSUM BINDERS AND PRODUCTS

SYSTEM AND METHODS FOR REMOVING IMPURITIES FROM PHOSPHOGYPSUM AND MANUFACTURING GYPSUM BINDERS AND PRODUCTS

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...

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Bibliographische Detailangaben
Hauptverfasser: RECHES Yonathan, KOVLER Konstantin, KOSSON David Samuel, DASHEVSKY Boris
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
INORGANIC CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung: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.