prior Engineering Services AG

Switzerland

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IPC Class
C01G 5/02 - Halides 1
C22B 11/02 - Obtaining noble metals by dry processes 1
C22B 11/06 - Chloridising 1
C22B 5/12 - Dry processes by gases 1
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1.

RECOVERY OF METAL, ESPACIALLY SILVER, FROM METAL CHLORIDES BY HYDROGEN REDUCTION

      
Application Number ZA2008000124
Publication Number 2009/076684
Status In Force
Filing Date 2008-12-09
Publication Date 2009-06-18
Owner
  • RAND REFINERY LIMITED (South Africa)
  • PRIOR ENGINEERING SERVICES AG (Switzerland)
Inventor
  • Mostert, Philippus, Jacobus
  • Prior, Adalbert

Abstract

A method of recovering silver from a silver chloride mixture in which hydrogen gas is passed through the mixture to produce a metal chloride hydride which is then heated to dissociate the metal and to release hydrogen chloride gas.

IPC Classes  ?