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1. US20110217222 - Process for the acid digestion of metal-containing compounds

Office
États-Unis d'Amérique
Numéro de la demande 13106281
Date de la demande 12.05.2011
Numéro de publication 20110217222
Date de publication 08.09.2011
Numéro de délivrance 09487845
Date de délivrance 08.11.2016
Type de publication B2
CIB
C22B 15/00
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
15Obtention du cuivre
C22B 3/08
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
3Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
04par lixiviation
06dans des solutions inorganiques acides
08Acide sulfurique
C22B 3/16
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
3Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
04par lixiviation
16dans des solutions organiques
C22B 7/00
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
7Mise en œuvre de matériaux autres que des minerais, p.ex. des rognures, pour produire des métaux non ferreux ou leurs composés
C22B 3/34
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
3Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
20Traitement ou purification de solutions, p.ex. de solutions obtenues par lixiviation
26par extraction liquide-liquide utilisant des composés organiques
34contenant du soufre
C22B 3/00
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
3Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
CPC
C22B 15/0071
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
15Obtaining copper
0063Hydrometallurgy
0065Leaching or slurrying
0067with acids or salts thereof
0071containing sulfur
C22B 3/0031
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
0006using acyclic or carbocyclic compounds
0008using acyclic or carbocyclic compounds of a single type
0031using organic compounds containing sulfur atom(s), e.g. sulfonium
C22B 3/08
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
06in inorganic acid solutions ; , e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
08Sulfuric acid ; , other sulfurated acids or salts thereof
C22B 3/165
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
16in organic solutions
1608Leaching with acyclic or carbocyclic agents
1616Leaching with acyclic or carbocyclic agents of a single type
165with organic acids
C22B 7/007
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
7Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; ; Methods of a general interest or applied to the winning of more than two metals
006Wet processes
007by acid leaching
C22B 19/22
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
19Obtaining zinc or zinc oxide
20Obtaining zinc otherwise than by distilling
22with leaching with acids
Déposants Thomas Heidenfelder
BASF SE
Helmut Witteler
Bernd Laubusch
Hans-Peter Seelmann-Eggebert
Inventeurs Thomas Heidenfelder
Helmut Witteler
Bernd Laubusch
Hans-Peter Seelmann-Eggebert
Mandataires Drinker Biddle & Reath LLP
Données relatives à la priorité 06110545 01.03.2006 EP
Titre
(EN) Process for the acid digestion of metal-containing compounds
Abrégé
(EN)

Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.


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