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1. WO2022027146 - METHODS FOR LEACHING AND RECOVERY OF PLATINUM GROUP METALS IN ORGANIC SOLVENTS

Publication Number WO/2022/027146
Publication Date 10.02.2022
International Application No. PCT/CA2021/051102
International Filing Date 09.08.2021
IPC
C22B 3/04 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
3Extraction of metal compounds from ores or concentrates by wet processes
04by leaching
B01D 11/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
B01J 38/48 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
38Regeneration or reactivation of catalysts, in general
48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
C01G 55/00 2006.1
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F94
55Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
C22B 3/26 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
3Extraction of metal compounds from ores or concentrates by wet processes
20Treatment or purification of solutions, e.g. obtained by leaching
26by liquid-liquid extraction using organic compounds
C22B 3/44 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
3Extraction of metal compounds from ores or concentrates by wet processes
20Treatment or purification of solutions, e.g. obtained by leaching
44by chemical processes
CPC
B01D 11/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
B01J 38/48
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
38Regeneration or reactivation of catalysts, in general
48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
C01G 55/00
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
55Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
C22B 11/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
11Obtaining noble metals
C22B 3/04
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
3Extraction of metal compounds from ores or concentrates by wet processes
04by leaching
C22B 3/26
Applicants
  • EXCIR WORKS CORP. [CA]/[CA]
Inventors
  • SALIMI, Hiwa
  • MORADI, Loghman
Agents
  • VICKERS, Mark F.
  • LITTLE, Vanessa Renee
  • DYBWAD, Scott
  • BOOCOCK, Graeme R.
  • DAMIANI, Michael
  • ALLARD, Louis
  • KEELER, Todd
  • EVENSON, Brandon
  • BEHMANN, Curtis B.
  • DE KLEINE, Geoffrey
  • MARSMAN, Kathleen E.
  • NAUMAN, David A.
  • PUNDSACK, Scott
  • COGHLAN, Jeffrey
  • GORDON, Jeff
  • RAOUL, Jennifer
  • SOJONKY, Andrew D.
  • WEBB, Timothy
  • MUELLER-NEUHAUS, Jason R.
  • SKINNER, Mhairi
Priority Data
63/062,46907.08.2020US
63/062,47007.08.2020US
63/062,47107.08.2020US
63/062,47307.08.2020US
63/062,47407.08.2020US
63/062,47507.08.2020US
63/062,47707.08.2020US
63/062,47907.08.2020US
63/062,48107.08.2020US
63/062,48207.08.2020US
63/062,48407.08.2020US
63/062,48507.08.2020US
63/062,48707.08.2020US
63/062,48807.08.2020US
63/062,48907.08.2020US
63/062,49207.08.2020US
63/062,49307.08.2020US
63/062,49407.08.2020US
63/062,49507.08.2020US
63/062,49707.08.2020US
63/062,49807.08.2020US
63/062,49907.08.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHODS FOR LEACHING AND RECOVERY OF PLATINUM GROUP METALS IN ORGANIC SOLVENTS
(FR) PROCÉDÉS DE LIXIVIATION ET DE RÉCUPÉRATION DE MÉTAUX DU GROUPE DU PLATINE DANS DES SOLVANTS ORGANIQUES
Abstract
(EN) Methods for leaching and extraction of precious metals. For example, methods of leaching palladium, rhodium, platinum from a substance comprising palladium, rhodium, and/or platinum (such as a platinum group metal (PGM) concentrate, and a catalytic converter) using an organic solvent that is water-miscible
(FR) L'invention concerne des procédés de lixiviation et d'extraction de métaux précieux. Par exemple, l'invention concerne des procédés de lixiviation du palladium, du rhodium, du platine à partir d'une substance comprenant du palladium, du rhodium et/ou du platine (tel qu'un métal du groupe du platine (PGM) concentré, et un convertisseur catalytique) à l'aide d'un solvant organique qui est miscible à l'eau
Latest bibliographic data on file with the International Bureau