PE20080719A1 - PROCESS TO RECOVER A SELECTED METAL FROM A MATERIAL CONTAINING SULFIDES - Google Patents

PROCESS TO RECOVER A SELECTED METAL FROM A MATERIAL CONTAINING SULFIDES

Info

Publication number
PE20080719A1
PE20080719A1 PE2007001272A PE2007001272A PE20080719A1 PE 20080719 A1 PE20080719 A1 PE 20080719A1 PE 2007001272 A PE2007001272 A PE 2007001272A PE 2007001272 A PE2007001272 A PE 2007001272A PE 20080719 A1 PE20080719 A1 PE 20080719A1
Authority
PE
Peru
Prior art keywords
metal
bed
sulfides
material containing
reactor
Prior art date
Application number
PE2007001272A
Other languages
Spanish (es)
Inventor
James Tranquilla
Original Assignee
Hw Advanced Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hw Advanced Technologies Inc filed Critical Hw Advanced Technologies Inc
Publication of PE20080719A1 publication Critical patent/PE20080719A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0002—Preliminary treatment
    • C22B15/001—Preliminary treatment with modification of the copper constituent
    • C22B15/0013—Preliminary treatment with modification of the copper constituent by roasting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C22B9/221—Remelting metals with heating by wave energy or particle radiation by electromagnetic waves, e.g. by gas discharge lamps
    • C22B9/225—Remelting metals with heating by wave energy or particle radiation by electromagnetic waves, e.g. by gas discharge lamps by microwaves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Abstract

DONDE EL PROCESO COMPRENDE: a) PASAR ENERGIA MICROONDAS A TRAVES DE UN LECHO DE MATERIAL QUE CONTIENE SULFUROS, MIENTRAS EL MATERIAL SE COLOCA EN UN REACTOR DE LECHO FLUIDIZADO; b) DURANTE (a), PASAR UN GAS FLUIDIZANTE A TRAVES DEL REACTOR, PARA OXIDAR LOS SULFUROS DE METAL DEL MATERIAL Y FORMAR UN MATERIAL QUE CONTIENE METAL OXIDADO; Y, c) RETIRAR EL MATERIAL DEL REACTOR, DONDE EL LECHO FLUIDIZADO SE COLOCA SOBRE UN LECHO INERTE DE MATERIAL PARTICULADO DONDE EL MATERIAL TIENE UN TAMANO P80 ENTRE 35 Y 75 MICRAS Y EL MATERIAL PARTICULADO EN EL LECHO INERTE TIENE UN TAMANO P80 ENTRE 200 Y 300 MICRAS. DESPUES DE (c) LA RELACION DE OXIDOS DE METAL A SULFATOS DE METAL ESTA ENTRE 0,3:1 Y 8:1 Y UN CONTENIDO DE SULFURO QUE OSCILA ENTRE 1% Y 0,5% EN PESO. LA TEMPERATURA MAXIMA DEL LECHO DEL MATERIAL QUE CONTIENE SULFUROS Y DE LOS SULFUROS DE METAL SELECCIONADO NO ES MAYOR DE 690°C. EL METAL SELECCIONADO ES AL MENOS UNO DE Cu, Ni, Co Y Mn. DESPUES DE (c) EL MATERIAL: i)COMPRENDE NO MAS DE 5% EN PESO DE FERRITAS DE METAL Y LA MAYORIA DEL METAL EN EL MATERIAL OXIDADO SE ENCUENTRA EN FORMA DE SULFATO; Y, ii)TIENE UN CONTENIDO MAXIMO DE SULFURO NO MAYOR DE 1% EN PESO Y LA MAYORIA DEL METAL EN EL MATERIAL OXIDADO SE ENCUENTRA EN LA FORMA XO, DONDE X ES EL METAL. LA FUENTE DE ENERGIA MICROONDAS TIENE UN NIVEL DE POTENCIA ENTRE 1 KW Y 150 KW POR UNIDAD GENERADORA Y OPERA EN UNA FRECUENCIA ENTRE 300 MHz Y 3 GHz, ESTANDO LA ENERGIA DISTRIBUIDA ENTRE 250 J/gm Y 300 000 J/gmWHERE THE PROCESS INCLUDES: a) PASSING MICROWAVE ENERGY THROUGH A BED OF MATERIAL CONTAINING SULFIDES, WHILE THE MATERIAL IS PLACED IN A FLUIDIZED BED REACTOR; b) DURING (a), PASSING A FLUIDIZING GAS THROUGH THE REACTOR, TO OXIDIZE THE METAL SULFIDES IN THE MATERIAL AND FORM A MATERIAL CONTAINING OXIDIZED METAL; AND, c) REMOVE THE MATERIAL FROM THE REACTOR, WHERE THE FLUIDIZED BED IS PLACED ON AN INERT BED OF PARTICULATED MATERIAL WHERE THE MATERIAL HAS A P80 SIZE BETWEEN 35 AND 75 MICRONS AND THE PARTICULATED MATERIAL IN THE INERT BED AND HAS A P80 SIZE 200 300 MICRONS. AFTER (c) THE RATIO OF METAL OXIDES TO METAL SULPHATES IS BETWEEN 0.3: 1 AND 8: 1 AND A SULFIDE CONTENT THAT RANGES BETWEEN 1% AND 0.5% BY WEIGHT. THE MAXIMUM BED TEMPERATURE OF THE MATERIAL CONTAINING SULFIDES AND THE SELECTED METAL SULFIDES IS NOT HIGHER THAN 690 ° C. THE SELECTED METAL IS AT LEAST ONE OF Cu, Ni, Co AND Mn. AFTER (c) THE MATERIAL: i) INCLUDES NO MORE THAN 5% BY WEIGHT OF METAL FERRITES AND MOST OF THE METAL IN THE RUSTY MATERIAL IS IN THE FORM OF SULPHATE; AND, ii) IT HAS A MAXIMUM SULFIDE CONTENT OF NO GREATER THAN 1% BY WEIGHT AND MOST OF THE METAL IN THE RUSTY MATERIAL IS IN THE XO FORM, WHERE X IS THE METAL. THE MICROWAVE ENERGY SOURCE HAS A POWER LEVEL BETWEEN 1 KW AND 150 KW PER GENERATOR UNIT AND OPERATES AT A FREQUENCY BETWEEN 300 MHz AND 3 GHz, WITH THE ENERGY DISTRIBUTED BETWEEN 250 J / gm AND 300,000 J / gm

PE2007001272A 2006-09-20 2007-09-20 PROCESS TO RECOVER A SELECTED METAL FROM A MATERIAL CONTAINING SULFIDES PE20080719A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82635006P 2006-09-20 2006-09-20

Publications (1)

Publication Number Publication Date
PE20080719A1 true PE20080719A1 (en) 2008-07-19

Family

ID=39200843

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2007001272A PE20080719A1 (en) 2006-09-20 2007-09-20 PROCESS TO RECOVER A SELECTED METAL FROM A MATERIAL CONTAINING SULFIDES

Country Status (4)

Country Link
US (1) US20080118421A1 (en)
CL (1) CL2007002700A1 (en)
PE (1) PE20080719A1 (en)
WO (1) WO2008036824A1 (en)

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WO2008036820A2 (en) * 2006-09-20 2008-03-27 Hw Advanced Technologies, Inc. Method for oxidizing carbonaceous ores to facilitate precious metal recovery
US20080069746A1 (en) * 2006-09-20 2008-03-20 Hw Advanced Technologies, Inc. Method and apparatus for microwave induced pyrolysis of arsenical ores and ore concentrates
US20080069748A1 (en) * 2006-09-20 2008-03-20 Hw Advanced Technologies, Inc. Multivalent iron ion separation in metal recovery circuits
US20080128354A1 (en) * 2006-11-30 2008-06-05 Hw Advanced Technologies, Inc. Method for washing filtration membranes
WO2008074806A1 (en) * 2006-12-18 2008-06-26 Alexander Beckmann Method for obtaining copper from cupriferous arsenosulphide and/or antimony sulphide ores or ore concentrates
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CL2019003246A1 (en) * 2019-11-13 2020-04-17 Univ Concepcion A process to produce metallic copper from copper concentrates without generating waste
CN112853406B (en) * 2021-01-04 2023-06-09 广西大学 Device and method for electrochemically leaching waste printed circuit board metal by microwave enhancement
CN117355485A (en) * 2021-05-06 2024-01-05 奥罗拉氢气公司 Method for producing hydrogen and solid carbon from gaseous hydrocarbon sources using microwaves and/or radio waves
CN115837393B (en) * 2022-12-08 2024-04-26 东北大学 High-sulfur tailing recycling system and method based on microwave desulfurization recovery and residual sulfur excitation slag solidification

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Also Published As

Publication number Publication date
WO2008036824A1 (en) 2008-03-27
US20080118421A1 (en) 2008-05-22
CL2007002700A1 (en) 2008-03-24

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