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1. WO2011001245 - A PROCESS FOR THE RECOVERY OF TELLURIUM FROM MINERALS AND/OR ACIDIC SOLUTIONS

Publication Number WO/2011/001245
Publication Date 06.01.2011
International Application No. PCT/IB2010/001548
International Filing Date 26.06.2010
IPC
C01B 19/02 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
19Selenium; Tellurium; Compounds thereof
02Elemental selenium or tellurium
C22B 15/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
15Obtaining copper
C01B 19/00 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
19Selenium; Tellurium; Compounds thereof
CPC
C01B 19/004
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
19Selenium; Tellurium; Compounds thereof
004Oxides; Hydroxides
C01B 19/02
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
19Selenium; Tellurium; Compounds thereof
02Elemental selenium or tellurium
C22B 3/0097
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
0004Treatment or purification of solutions, e.g. obtained by leaching
0005by liquid-liquid extraction using organic compounds, e.g. acyclic or carbocyclic compounds, heterocyclic compounds, organo- metallic compounds, alcohols, ethers, or the like
0097using a solution of normally solid organic compounds, e.g. dissolved polymers, sugars, or the like
C22B 3/12
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
12in inorganic alkaline solutions
C22B 3/20
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
20Treatment or purification of solutions, e.g. obtained by leaching
C22B 61/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
61Obtaining metals not elsewhere provided for in this subclass
Applicants
  • PACIFIC RARE SPECIALTY METALS & CHEMICALS, INC. [PH]/[PH] (AllExceptUS)
  • HISSHION, Robert, John [AU]/[PH] (UsOnly)
  • PATINO, Crispinne, C. [PH]/[PH] (UsOnly)
Inventors
  • HISSHION, Robert, John
  • PATINO, Crispinne, C.
Priority Data
12/494,15329.06.2009US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A PROCESS FOR THE RECOVERY OF TELLURIUM FROM MINERALS AND/OR ACIDIC SOLUTIONS
(FR) PROCÉDÉ DE RÉCUPÉRATION DE TELLURE À PARTIR DE MINÉRAUX ET/OU DE SOLUTIONS ACIDES
Abstract
(EN)
A process and method for recovering elemental tellurium from minerals and acidic solutions using a reducing sugar as the reducing agent in order to reduce and precipitate tellurium as tellurium dioxide (TeO2) from which elemental tellurium may be recovered.
(FR)
L'invention concerne un processus et un procédé de récupération de tellure à partir de minéraux et de solutions acides, au moyen d'un sucre réducteur utilisé comme agent réducteur pour réduire et précipiter le tellure sous forme de dioxyde de tellure (TeO2) dont on peut récupérer du tellure élémentaire.
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