Method of recovering Pt or Ag or Pt and Ag from sulfate based metal solutions

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United States of America Patent

PATENT NO 11486047
APP PUB NO 20200141016A1
SERIAL NO

16624993

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Abstract

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The invention relates to a method of recovering Pt or Ag or Pt and Ag from a sulfate solution on an electrode. In particular, the invention concerns a method for recovering Pt or Ag or Pt and Ag from base metal bearing process solution, particularly from a hydrometallurgical sacrificial metal bearing solution containing Zn and/or Ni. In general, the method of the present invention can be used for recovery of precious metals, which are dissolvable in sulfuric acid, from sulfate media based solutions. In addition to Pt and Ag, especially Pd should be mentioned.

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Patent Owner(s)

Patent OwnerAddress
ELMERY OYVATTUNIEMENKATU 4 A 13 HELSINKI 00210

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Franssila, Samuli Aalto, FI 5 17
Halli, Petteri Aalto, FI 1 0
Heikkinen, Joonas Aalto, FI 1 0
Jokinen, Ville Aalto, FI 1 0
Lundström, Mari Aalto, FI 4 4
Yliniemi, Kirsi Aalto, FI 2 0

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