CN100345986C - Method for extracting valence metal from copper ferrocobalt alloy - Google Patents

Method for extracting valence metal from copper ferrocobalt alloy Download PDF

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Publication number
CN100345986C
CN100345986C CNB2006100320518A CN200610032051A CN100345986C CN 100345986 C CN100345986 C CN 100345986C CN B2006100320518 A CNB2006100320518 A CN B2006100320518A CN 200610032051 A CN200610032051 A CN 200610032051A CN 100345986 C CN100345986 C CN 100345986C
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copper
cobalt
alloy
ferro
leaches
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CN1912152A (en
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胡国荣
彭忠东
高继文
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HUNAN RESHINE NEW MATERIAL CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The invention relates to a method used to leach separating metal especial cobalt and copper from copper cobalt iron alloy. It includes the following steps: melting the alloy at 1300-1550 degree centigrade; atomizing to alloy powder by high pressure air or water vapor; mixing the alloy powder with flux to process heat treatment; using mineral acid to dissolve the cobalt and iron but remain the copper after smashing; or directly using the mineral acid while adding oxidizing agent into the atomized alloy powder. It has the advantages of simple, high leaching efficiency. And it is fit for industrialization production.

Description

A kind of method that from copper ferrocobalt alloy, leaches the copper ferro-cobalt
Technical field
The invention belongs to a kind of method that from the copper ferro-cobalt closes, reclaims valuable metal, particularly a kind of method that adopts fairly simple technology from copper ferrocobalt alloy, to leach cobalt copper.
Background technology
Fast development along with world economy, the particularly fast development of battery functi on material, superfine powdery material and superhard material, the consumption that causes relevant nonferrous materials is also in quick growth, and particularly China very lacks and the swift and violent cobalt resource of the whole world consumption impetus.According to the incomplete statistics of safe and sound section, China has 26 tame manufacturers to produce all kinds of cobalt products with cobalt concentrate (import and domestic) approximately at present, and mostly more than 100 tons/month (metal content), total annual capacity is 15000 tons of cobalt amounts of metal to the production capacity of these enterprises.Chinese refining cobalt output in 2004 almost is 2 times in 2003 near 9000 tons, and wherein Jinchuan output accounts for 27%.China has become the whole world the 2nd big cobalt producing country, just lists after the Finland.This is very important in global cobalt market.
According to U.S. geology bureau statistics in 1997, there was abundant cobalt resource in Congo DR, about 2,000,000 t of the reserves of its cobalt resource, and there are 2,500,000 t on the reserves basis.Now, more domestic relevant enterprises carry out the processing of cobalt product depth one after another from national import cobalt ores such as Congo DR and Zambia after coming back home.But government of Congo DR will put into effect the outlet that limits this state's cobalt ore, and encouragement is resaled to external policy after cobalt ore is processed into the cobalt product.With electric furnace rich cobalt oxidation concentrate being smelted into copper-cobalt-iron alloy (contain cobalt and be the cobalt white metal more than 40%) as the Pan Da smelter of Congo DR send Belgium to reclaim cobalt; The appearance of this policy will cause passive situation to the considerable enterprise of China.
Summary of the invention
The present invention is directed to above-mentioned policy, autonomous research and development one cover has metal such as the cobalt, copper of good economic benefit and comprehensively reclaims production line, to promote the comprehensive recovery of copper ferrocobalt alloy, and and then be developing direction with battery material and ultra-fine, nano-powder material and non-ferrous metal functional materials, on the basis of work on hand, further develop various high added value materials.
Because the copper ferrocobalt alloy cupric is higher, have certain ductility, be difficult to fragmentation with general disintegrating apparatus, and the copper ferrocobalt alloy that contains certain silicate under general condition is difficult to be dissolved in mineral acid commonly used.Therefore the present invention adopts the mode that atomizes behind the alloy molten with alloy refinement, under the situation that fusing assistant, slag former exist the alloy recurring structure is changed then, forms the alloy that is soluble in mineral acid commonly used, thereby realizes the separation of ferro-cobalt copper.
Purpose of the present invention aims to provide a kind of simple for process, the leaching yield height of cobalt, iron, copper, and favourable copper ferro-cobalt white metal comprehensively reclaims, and suitability for industrialized is produced a kind of processing method that leaches the copper ferro-cobalt from copper ferrocobalt alloy.
The objective of the invention is to realize by following manner:
With cobalt-copper-iron alloy 1300-1550 ℃ of fusing, utilize high pressure gas or high-pressure water mist to change into powdered alloy, to atomize the gained powdered alloy with heat-treat after fusing assistant mixes, the copper ferrocobalt alloy recurring structure is changed, after fragmentation, ferro-cobalt realizes that with inorganic acid solution ferro-cobalt separates with copper again; Or with the atomizing the alloy powder art under the situation of oxidizer, directly use inorganic acid solution, again the copper ferro-cobalt is separated.
Utilize high pressure gas or high-pressure water mist to change into the thin powdered alloy of 80-300 order.Being atomized into the thin powdered alloy of 150-200 order is preferable selection.
Copper ferrocobalt alloy after 1300-1550 ℃ of fusing, is added slag former, after removing slag, utilize high pressure gas or high-pressure water mist to change into powdered alloy again, help the subsequent product purifying.
Described slag former is selected from one or more in yellow soda ash, sodium sulfate, SODIUMNITRATE, sodium-chlor, Repone K, lime carbonate, the calcium oxide.
Described fusing assistant is selected from one or more in yellow soda ash, sodium sulfate, SODIUMNITRATE, sodium-chlor, Repone K, the lime carbonate.
To atomize the gained powdered alloy with heat-treat after fusing assistant mixes after, will generate copper and ferro-cobalt and be crushed to the 200-400 order.Disintegrating apparatus is one or more in jaw crusher, roller crusher, horizontal crusher, ball mill, the micronizer mill.
Described heat treated temperature is greater than 750 ℃, less than 1000 ℃.Soaking time is 2-8 hour in the heat treatment process, and its heat-up rate and speed of cooling are 50-200 ℃/hour.
Described mineral acid is one or more in dilute sulphuric acid, dilute hydrochloric acid, the rare nitric acid, and volumetric concentration is less than 50%, greater than 1%.
Described oxygenant is hydrogen peroxide, sodium chlorate, Sodium Persulfate, potassium permanganate, chlorine or oxygen.
The present invention can (contain cobalt 20-50% with copper ferrocobalt alloy, iron 10-50%, copper 5-30%) heat through about 20-40 minute by hot stove of medium-frequency induction furnace or ore deposit or electric arc furnace, make alloy melting, utilize high-pressure water mist to change into the thin powdered alloy of 100 orders, reach preferable atomizing effect.
Embodiment:
Following examples are intended to illustrate the present invention rather than limitation of the invention further.
Embodiment 1
Get 50 kilograms of copper ferrocobalt alloy, utilize medium-frequency induction furnace through about 30 minutes, 1400 ℃ of fusings, add an amount of slag former (1 kilogram of yellow soda ash and 1 kilogram of sodium sulfate), after slag fallen clearly, alloy atomization is become 200 purpose alloy powders (numbering PMO-01), get 1 kilogram of PMO-01 alloy powder with high pressure water, add 100 gram yellow soda ash and 100 gram sodium sulfate, after being warming up to 850 ℃ with 50 ℃/hour, insulation is 3 hours under this temperature, is cooled to below 100 ℃ with 50 ℃/hour, be crushed to 200 orders (numbering PMO-02), to get PMO-02 powder 30 grams, add water 200 grams, add vitriol oil 20ml, 50 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 94.3%, a leaching yield of iron is 93.8%, and copper does not leach substantially.Major ingredient is a metallic copper in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 3%.
Experimental example 2
Get PMO-01 alloy powder 30 grams and add water 200 grams, add vitriol oil 20ml, add sodium chlorate 5 grams, 50 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 94.3%, a leaching yield of iron is 93.8%, and the leaching yield of copper is 92%.Major ingredient is an inorganic insoluble substance in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 3%, and the content of copper is less than 5%.
Experimental example 3
Get PMO-01 alloy powder 30 grams and add water 200 grams, add concentrated hydrochloric acid 40ml, add sodium chlorate 5 grams, 50 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 92.7%, a leaching yield of iron is 93.5%, and the leaching yield of copper is 92%.Major ingredient is an inorganic insoluble substance in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 3%, and the content of copper is less than 5%
Experimental example 4
Get PMO-01 alloy powder 30 grams and add water 200 grams, add concentrated hydrochloric acid 40ml, add hydrogen peroxide 50ml, 50 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 95.8%, a leaching yield of iron is 96.7%, and the leaching yield of copper is 94.5%.Major ingredient is an inorganic insoluble substance in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 2%, and the content of copper is less than 3%.
Embodiment 5
Get 50 kilograms of copper ferrocobalt alloy, utilize medium-frequency induction furnace through about 30 minutes, 1350 ℃ of fusings, add an amount of slag former (1 kilogram of yellow soda ash), after slag fallen clearly, alloy atomization is become 200 purpose alloy powders (numbering PMO-03), get 1 kilogram of PMO-03 alloy powder with high pressure water, add 100 gram yellow soda ash and 100 gram lime carbonate, after being warming up to 750 ℃ with 100 ℃/hour, insulation is 7 hours under this temperature, is cooled to below 100 ℃ with 100 ℃/hour, be crushed to 200 orders (numbering PMO-04), to get PMO-04 powder 30 grams, add water 200 grams, add vitriol oil 30ml, 50 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 95.3%, a leaching yield of iron is 94.8%, and copper does not leach substantially.Major ingredient is a metallic copper in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 3%.
Embodiment 6
Get 50 kilograms of copper ferrocobalt alloy, utilize medium-frequency induction furnace through about 35 minutes, 1550 ℃ of fusings, add an amount of slag former (1 kilogram of yellow soda ash and 1 kilogram of lime carbonate), after slag fallen clearly, alloy atomization is become 280 purpose alloy powders (numbering PMO-05), get 1 kilogram of PMO-05 alloy powder with high pressure water, add 200 gram yellow soda ash, after being warming up to 900 ℃ with 200 ℃/hour, insulation is 3 hours under this temperature, is cooled to below 100 ℃ with 100 ℃/hour, be crushed to 300 orders (numbering PMO-06), to get PMO-06 powder 30 grams, add water 200 grams, add vitriol oil 30ml, 80 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 96.5%, a leaching yield of iron is 95.8%, and copper does not leach substantially.Major ingredient is a metallic copper in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 3%.
Experimental example 7
Get PMO-05 alloy powder 30 grams and add water 200 grams, add concentrated hydrochloric acid 20ml, vitriol oil 25ml, add hydrogen peroxide 60ml, 60 ℃ of following stirring reactions 8 hours, filtration washing, ferro-cobalt copper content in ferro-cobalt copper and the slag in the analysis filtrate, a leaching yield that can obtain cobalt is 96.8%, and a leaching yield of iron is 95.7%, and the leaching yield of copper is 92.5%.Major ingredient is an inorganic insoluble substance in the slag, and the content of cobalt is less than 1%, and the content of iron is less than 2%, and the content of copper is less than 3%.

Claims (10)

1. method that from copper ferrocobalt alloy, leaches the copper ferro-cobalt, it is characterized in that: with copper ferrocobalt alloy 1300-1550 ℃ of fusing, utilize high pressure gas or high-pressure water mist to change into powdered alloy, to atomize the gained powdered alloy with heat-treat after solubility promoter mixes, after the fragmentation, ferro-cobalt can directly separate with copper with inorganic acid solution in the alloy again; Or with the atomizing powdered alloy under the situation of oxidizer, directly use inorganic acid solution, again the copper ferro-cobalt is separated.
2. a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy according to claim 1 is characterized in that: utilize high pressure gas or high-pressure water mist to change into the thin powdered alloy of 80-300 order.
3. a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy according to claim 1 is characterized in that: cobalt-copper-iron alloy after 1300-1550 ℃ of fusing, is added slag former, after removing slag, utilize high pressure gas or high-pressure water mist to change into powdered alloy.
4. a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy according to claim 3, it is characterized in that: described slag former is selected from one or more in yellow soda ash, sodium sulfate, SODIUMNITRATE, sodium-chlor, Repone K, lime carbonate, the calcium oxide.
5. a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy according to claim 1, it is characterized in that: described fusing assistant is selected from one or more in yellow soda ash, sodium sulfate, SODIUMNITRATE, sodium-chlor, Repone K, the calcium oxide.
6. a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy according to claim 1 is characterized in that: will atomize the gained powdered alloy with heat-treat after solubility promoter mixes, be crushed to the 200-400 order.
7. according to each described a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy of claim 1-6, it is characterized in that: described heat treated temperature is greater than 750 ℃, less than 1000 ℃.
8. described a kind of method that from copper ferrocobalt alloy, leaches the copper ferro-cobalt according to claim 7, it is characterized in that: soaking time is 2-8 hour in the heat treatment process, its heat-up rate and speed of cooling are 50-200 ℃/hour.
9. a kind of method that leaches the copper ferro-cobalt from copper ferrocobalt alloy according to claim 1, it is characterized in that: mineral acid is one or more in dilute sulphuric acid, dilute hydrochloric acid, the rare nitric acid, and volumetric concentration is less than 50%, greater than 1%.
10. a kind of method that leaches the copper ferro-cobalt from cobalt-copper-iron alloy according to claim 1, it is characterized in that: described oxygenant is hydrogen peroxide, sodium chlorate, Sodium Persulfate, potassium permanganate, chlorine or oxygen.
CNB2006100320518A 2006-08-04 2006-08-04 Method for extracting valence metal from copper ferrocobalt alloy Expired - Fee Related CN100345986C (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN101717862B (en) * 2009-11-20 2011-06-08 湖南铠通金属有限公司 Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy

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CN101608258B (en) * 2008-11-20 2011-02-16 厦门钨业股份有限公司 Method for industrially extracting cobalt, copper and iron by taking cobalt-copper alloy as raw material
CN101463427B (en) * 2008-11-27 2012-09-05 佛山市邦普循环科技有限公司 Method for recycling valuable metal from cobalt white alloy
CN101818250B (en) * 2009-02-27 2012-10-24 浙江华友钴业股份有限公司 Method for processing cobalt-copper-iron alloy
CN101524761B (en) * 2009-04-17 2010-10-13 戴煜 Method for preparing raw cobalt mineral powder
CN102021326B (en) * 2009-09-09 2013-04-17 彭国伟 Method for leaching copper-cobalt alloy
CN101818246B (en) * 2010-05-11 2012-05-23 南通新玮镍钴科技发展有限公司 Technology for leaching cobalt-copper white alloy
CN102321824B (en) * 2011-10-13 2013-06-05 北京矿冶研究总院 Method for desiliconizing cobalt white alloy
CN102560100B (en) * 2012-02-21 2013-09-04 海南金亿新材料股份有限公司 Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy
CN102925695A (en) * 2012-10-20 2013-02-13 贵研铂业股份有限公司 Method for leaching nickel (Ni) and cobalt (Co) from waste high-temperature alloy material
CN102978406B (en) * 2012-12-14 2014-02-12 西北有色金属研究院 Regeneration method for rhenium-containing high-temperature alloy scrap
CN104611565A (en) * 2014-12-24 2015-05-13 金川集团股份有限公司 A method of selectively recovering cobalt and copper from a cobalt-copper-zinc-manganese production waste solution
CN105063349B (en) * 2015-08-17 2017-07-07 长沙矿冶研究院有限责任公司 The method that copper cobalt nickel is leached from molten alloy
CN107640961B (en) * 2017-09-28 2020-06-23 江西理工大学 Preparation method of high-thermal-conductivity aluminum oxide ceramic copper-clad plate
CN108977662A (en) * 2018-07-13 2018-12-11 兰州金川新材料科技股份有限公司 A method of cobalt chloride solution and copper-bath are prepared using ferro-cobalt
CN112410538A (en) * 2020-11-17 2021-02-26 湖南仁发材料科技有限公司 Production process for comprehensively recovering valuable metals from copper-cobalt-iron alloy

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