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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Bibliographische Detailangaben
Hauptverfasser: Raitani, Rajesh, Qiu, Xueping, Zhang, Lei
Format: Patent
Sprache:eng
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Zusammenfassung: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.