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1. PE2007-1277 - PROCEDIMIENTO PARA LA DIGESTION ACIDA DE COMPUESTOS METALIFEROS

Office
Pérou
Numéro de la demande 2007000221
Date de la demande 01.03.2007
Numéro de publication 2007-1277
Date de publication 28.01.2008
Type de publication A1
CIB
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
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
CPC
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 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 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
C22B 59/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
59Obtaining rare earth metals
Déposants BASF AKTIENGESELLSCHAFT
Inventeurs THOMAS HEINDENFELD
HELMUT WITTELER
BERND LAUBUSCH
HANS PETER SEELMANN EGGEBERT
Mandataires ESTUDIO COLMENARES S.R.L.
Données relatives à la priorité 06110545.8 01.03.2006 EP
Titre
(ES) PROCEDIMIENTO PARA LA DIGESTION ACIDA DE COMPUESTOS METALIFEROS
Abrégé
(ES)
QUE COMPRENDE LA LIXIVIACION POR MEDIO DE UN LIXIVIADOR ACUOSO QUE INCLUYE: a) DE 0,001 A 50% EN PESO DE UNO O MAS ACIDOS ALCANOSULFONICOS, TAL COMO ACIDO METANOSULFONICO; b) UNA MEZCLA DE UNA O MAS SALES DE ACIDOS ALCANOSULFONICOS, TAL COMO SAL DE ACIDO METANOSULFONICO EN PARTICULAR METANOSULFONATO SODICO; c) DE 0 A 50% EN PESO DE ACIDO SULFURICO; Y, d) DE 0% A 5% EN PESO DE UNO O MAS SURFACTANTES NO IONICOS, ANIONICOS, CATIONICOS O ANFOTEROS. LA RELACION PONDERAL DE (a) RESPECTO A (c) VA DE 1:1000 A 1:1, Y LA DE (b) RESPECTO A (c) VA DE 1:9 A 1:99. (d) EN UNA CONCENTRACION TOTAL DE 0,1% A 0,3% EN PESO EN SOLUCION ACUOSA DE H2SO4 AL 2% A 23°C LLEVA A UNA REDUCCION EN EL ANGULO DE CONTACTO SOBRE VIDRIO EN POR LO MENOS 10° AL CABO DE UN SEGUNDO. EL COMPUESTO METALIFERO COMPRENDE COBRE, TITANIO, CaF2, ZINC, PLOMO, MOLIBDENO, ANTIMONIO, BISMUTO, MERCURIO, COBALTO, NIQUEL, ALUMINIO, LANTANO, LANTANIDOS O URANIO. EL PROCEDIMIENTO SE EMPLEA PARA LA OBTENCION DE COBRE

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