COMPOSITIONS AND PROCESSES FOR REMOVING HEAVY METALS FROM PHOSPHORIC ACID SOLUTIONS

COMPOSITIONS AND PROCESSES FOR REMOVING HEAVY METALS FROM PHOSPHORIC ACID SOLUTIONS

Processes for removing/recovering heavy metal ions in solutions containing phosphoric acid by adding reagents having at least one organothiophosphorus compound and at least one surfactant to the solution during the wet-process phosphoric acid production process to form heavy metal complexes, and sep...

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Hauptverfasser: ZHANG, Lei, RAITANI, Rajesh, QIU, Xueping
Format: Patent
Sprache:eng ; fre ; ger
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator ZHANG, Lei
RAITANI, Rajesh
QIU, Xueping
description Processes for removing/recovering heavy metal ions in solutions containing phosphoric acid by adding reagents having at least one organothiophosphorus compound and at least one surfactant to the solution during the wet-process phosphoric acid production process to form heavy metal complexes, and separating the heavy metal complexes from the solution are provided herein.
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title COMPOSITIONS AND PROCESSES FOR REMOVING HEAVY METALS FROM PHOSPHORIC ACID SOLUTIONS
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