CN105018735A - Method for treating nickel/cobalt-contained multi-metal alloyed scrap - Google Patents
Method for treating nickel/cobalt-contained multi-metal alloyed scrap Download PDFInfo
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Abstract
A method for treating nickel/cobalt-contained multi-metal alloyed scrap comprises the following steps that the multi-metal alloyed scrap is molten to form alloy melt; at least one kind of nickel metal and cobalt metal is included in the multi-metal alloyed scrap, and Mn and Si are hardly included in the multi-metal alloyed scrap; one or more kinds of tungsten, molybdenum and vanadium are further included in the multi-metal alloyed scrap; manganese-contained materials and silicon-contained materials are added, and meanwhile oxygen-contained gas is pumped in for blowing slagging; obtained formed slag is separated out of the alloy melt; the alloy melt obtained after the formed slag is separated out is atomized into alloy powder; at least 0.5% of Mn elements is included in the alloy powder; acid leaching is carried out on the obtained alloy powder; and the obtained formed slag is leached out through strong alkali, and valuable metal in the formed slag is recycled. The method has the beneficial effects that resources are fully utilized; the utilization rate of raw materials is high; the use efficiency of a furnace is high; cost is low; operation is easy; and energy saving and environmental protection are achieved.
Description
Technical field
The present invention relates to chemical metallurgy technical field, particularly relate to a kind for the treatment of process of many metal alloys waste material.
Background technology
Nickel (cobalt) has ferromagnetic strategy metal, in large quantities with alloy form for the production of stainless steel, superalloy, magneticsubstance and catalyzer etc., be applied to the fields such as petrochemical complex, space flight, military project, electronics.Along with modern industry is to nickel, the improving constantly of cobalt demand, and nickel, cobalt Mineral resources are day by day poor, the alloyed scrap such as spent catalyst, superalloy that petrochemical industry, space flight, military project, electron trade produce becomes the rare important secondary resource of nickel cobalt metal, and in this type of alloy except nickel, cobalt metal, also containing infusibility dissipated metals such as tungsten, molybdenum, rhenium, vanadium, therefore, its comprehensive reutilization has important strategic importance.
At present, the method of the metal such as nickel, cobalt is reclaimed from nickel (cobalt) spent catalyst, mainly alkali roasting (or blank roasting)-water logging (alkali leaching) method or acid, alkali two step lixiviation process, be that soluble salt enters solution by Metals from Spent Catalysts cycling of elements, and then further purification separation.Nickel-containing catalyst recoverying and utilizing method is related to as the application number Chinese invention patent that is 201110147614.9 discloses one, dead catalyst containing nickel is calcined by the method at temperature 300 DEG C-600 DEG C, time 2-3 hour, remove the organism of catalyst residue, then pulverized, adopt the nitric acid secondary of concentration 1.5-4.5mol/L to leach, reclaim nickel with nickel nitrate solution form.Application number be 201310204476.2 Chinese invention patent disclose a kind of method of spent catalyst metal synthetical recovery, first dilute sulphuric acid preimpregnation is carried out to spent catalyst levigate, preimpregnation slag adopts vitriol oil slaking, the water logging of slaking material or diluted acid presoak leach carries alum, after carrying alum, slag acid adds the silicon-dioxide of appropriate amount and iron powder carries out pyrometallurgical smelting, obtain being rich in nickel, cobalt, the sulfonium phase of molybdenum and containing aluminium, the slag phase of silicon, after two-phase laminated flow, sulfonium adopts pressurized acid leaching to go out recovery nickel wherein mutually, cobalt, molybdenum, the preimpregnation alum rate of recovery is greater than 85%, nickel, cobalt, molybdenum enters sulfonium rate and reaches 90%-94% respectively, 9%-95%, 79%-82%.Application number be 201510012009.9 Chinese invention patent disclose a kind for the treatment of process of many metal alloys, by alloy first oxygen enrichment pressure leaching in sulfuric acid system, nickel wherein and cobalt are extracted into solution, and after solid-liquid separation, leached mud adopts Sodium Hydroxide Alkaline pressure leaching tungsten vanadium wherein.Above-mentioned treatment process is without the need to the melting pre-treatment of alloy, its maximum deficiency is: all fail effectively to carry heavy alloyed acid/alkali leaching performance, cause leaching condition comparatively harsh, or need pressurization, roasting, or the nitric acid, hydrochloric acid etc. of very easily contaminate environment need be adopted, cause complex operation, environmental pollution is serious, deficiency in economic performance.
Superalloy is another important nickel, cobalt secondary resource, and the method that nickel cobalt is reclaimed in its conventional leaching has the method such as electrochemical dissolution, pressurized acid leaching.Such as Liu Song has set forth in " inorganic chemicals industry " the 2nd phase in 1997 the method leaching nickel based high-temperature alloy (Ni70% adopting electrochemical dissolution, Co 5%) in nickel cobalt, it is specifically anode with alloy, copper sheet is that negative electrode adopts YJ63 D.C. regulated power supply to carry out electrochemical dissolution, electrolytic solution adopts hydrochloric acid system, concentration 4mol/L, current density 1000A/m
2, lysate composition Ni 60g/L, Co 4.3g/L.No. US2008/0110767Al U.S. patents discloses a kind of method that valuable metal is reclaimed in superalloy electrochemical decomposition process, superalloy compositing range is Ni 50%-75%, Co, Cr, Al 3%-15%, Ta, Nb, W, Mo, Re, Pt, Hg 1%-10%, specifically do anode with superalloy, 15%-25% hydrochloric acid soln or sulfuric acid/hydrochloric acid mixed solution are electrolytic solution.201210402385.5 number Chinese invention patent discloses a kind of nickel of waste high-temperature alloy material and the leaching method of cobalt, first will containing nickel, the waste high-temperature alloy of cobalt first melts in intermediate frequency furnace, then dust, ball milling, and the nickel in atmospheric conditions in diluted acid Selectively leaching alloy, cobalt, nickel is rich in acquisition, the solution of cobalt, this invented technology is simpler, nickel cobalt leaching yield is all greater than 98%, but Ni in filter residue, Co content is still on the low side, according to correlative theses, (row defends east, Fan Xingxiang, Dong Hai is firm, the experimental study of leaching nickel cobalt from waste high-temperature alloy, Central South University's journal (natural science edition), 2014, 45 (2): 361-366), nickel in leached mud, cobalt contents is respectively 6.77%, 0.96%.No. US2009/0255372Al U.S. patent applications discloses a kind of high-temperature alloy waste material melting-fine grinding-leaching-magnetic separation separating technology, first by alloyed scrap and NaOH and Na
2sO
4deng flux and oxygenant smelting together, Mo, W is made to be converted into the sodium salt of solubility, and Co, Ni, Cu, Fe, Mn and Cr keep metallic state, after material cooling, fine grinding water logging W, Mo, Re are wherein extracted into solution, after solid-liquid separation, Ni, Co is wherein reclaimed in leached mud magnetic separation, the melting operation of this technique is not by slag making melting, realize being separated of Co, Ni, Cu, Fe, Mn, Cr and Mo, V, namely the melting operation of high-temperature operation is only equivalent to alkali roasting operation transition, and Mo, V in alloy are converted into can water logging material.Aforementioned existing methodical deficiency is mainly: one is, recovery rate of valuable metals is undesirable, and magnetic separation is difficult to efficient recovery and obtains high-purity N i, Co resource; One is, needed for melting, flux price is high, and consumption is large, the deficiency in economic performance of technique.
More than comprehensive, although the method that the valuable metals such as nickel cobalt are reclaimed in waste nickel (cobalt) alloy material process is at present varied, but all there is unreasonable part, recovery rate of valuable metals is undesirable, or operating condition is harsh, or less economical, and safety and environmental protection has a big risk, therefore, the anxious a kind of technique to be developed in this area is simple, synthetical recovery is effective, the treatment process of safety and environmental protection.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiency and defect mentioned in above background technology, provide that a kind of utilization of resources is abundant, raw material availability is high, body of heater service efficiency is high, cost is low, simple to operate, energy-conserving and environment-protective a kind of nickeliferous/treatment process of many metal alloys waste material of cobalt.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes be a kind of nickeliferous/treatment process of many metal alloys waste material of cobalt, comprise the following steps:
(1) described many metal alloys scrap melting is formed alloy melt; Containing at least one in nickel, cobalt metal in described many metal alloys waste material, and hardly containing Mn and Si, also containing one or more in tungsten, molybdenum, vanadium in described many metal alloys waste material; The process of described many metal alloys scrap melting adopts electric furnace to carry out, and preferred electric furnace is induction furnace;
(2) add containing manganese material with containing silicon materials, pass into oxygen-containing gas simultaneously and carry out blowing slag making;
(3) slag making of gained is separated from alloy melt;
(4) powdered alloy is atomized into by isolating the alloy melt after slag making; The Mn element of 0.5% is at least contained to obtain the powdered alloy containing MnO in described powdered alloy;
(5) powdered alloy obtained is carried out acidleach;
(6) the slag making highly basic (preferably using NaOH solution) of gained is leached, reclaim the valuable metal such as tungsten, molybdenum, alum wherein.
Above-mentioned treatment process, preferred: the described manganese material that contains is by containing Mn oxide material, containing manganese metalliferous material, forming containing at least one in manganese alloy material; Preferred, the described at least one comprised containing Mn oxide material in Manganse Dioxide, pyrolusite; Manganese metal selected by the described manganese metalliferous material that contains; The described at least one selected containing manganese alloy material in Ferro Manganese, manganese-silicon.The described silicon materials that contains is made up of at least one in oxide containing silicon material, silicon-containing alloy material; Preferred, silica selected by described oxide containing silicon material; Manganese-silicon selected by described silicon-containing alloy material.The present invention add containing manganese material, both can be used as the oxygenant of the metals such as tungsten, molybdenum, vanadium in many metal alloys waste material, also can simultaneously as SiO
2the slag former of reaction, by adding the leaching performance that significantly can improve many metal alloys containing manganese material.In addition, because the present invention is not as general siliceous in many metal alloys waste material of raw material, in order to obtain slag making better, also preferably interpolation is a certain amount of contains silicon materials to coordinate with containing manganese material, jointly serves as slag former.Certainly, manganese and silicon (such as manganese-silicon) may be contained in some material simultaneously, now add a kind of material can carry out slag making as containing manganese material with containing silicon materials simultaneously.
Above-mentioned treatment process, preferred: described in pass into gas when carrying out blowing slag making, gas passes into alloy melt inside and/or surface, and described gas preferably comprises at least one in air, oxygen, carbonic acid gas, but is not limited thereto.Pass into the amount of gas and flow velocity to determine according to the oxygen partial pressure (oxygen gesture) in the severe degree of reaction in furnace and stove, valuable metal nickel under suitable oxygen partial pressure condition in stove, cobalt are oxidized hardly, and most manganese and most tungsten, molybdenum, vanadium etc. then can be oxidized.Based on our achievement in research, above-mentioned gas is passed into alloy melt inside and/or surface, the powdered alloy that its topmost object obtains when being and ensureing subsequent atomization powder process has loose and porous inner surface and feature in irregular shape, such powdered alloy structural strength is low, surfactivity point is many, specific surface area large, this significantly improves the leaching performance of powdered alloy.And the alloying pellet that the direct powder by atomization of the alloy melt not passing into gas obtains is inner without gas hole, rule of surface is spherical, and structural strength is large, and leaching performance is poor.
Above-mentioned treatment process, preferred: described powdered alloy after the alloy melt after removing the metals such as tungsten, molybdenum, vanadium is adopted high-pressure water jet, alloy melt is atomized to form, wherein the content of Mn element is preferably 0.5% ~ 20%, is more preferably 0.5% ~ 15%.And the Mn in powdered alloy mainly exists with MnO form, forms the powdered alloy of loose and porous structure, and then plays the effect of reduction powdered alloy structural strength as described above.
Above-mentioned treatment process, preferred: by isolate in described step (3) alloy melt after slag making continue to repeat above-mentioned step (2) ~ (3) once more than, until the metal such as tungsten, molybdenum, vanadium in powdered alloy reaches the requirement of qualified level.
Above-mentioned treatment process, preferred: described acidleach refers to carries out normal pressure leaching under sulphuric acid soln system.Preferred, 1.05 times ~ 2.5 times that the consumption of described sulfuric acid is cobalt in powdered alloy, nickel metallic element all leaches required theoretical amount, extraction temperature is greater than 50 DEG C.Under this preferred acidleach condition, the leaching yield of nickel, cobalt can higher than 98%.Based on our achievement in research, we find to retain a certain amount of manganese in nickel, cobalt-base alloy melt, the alloy powder containing MnO can obtained after powder by atomization, because Ni, Co of MnO and metallic state are not miscible mutually, significantly can reduce the structural strength of powdered alloy, and then acid solution can infiltrate alloy powder particle inside fast during guarantee acidleach, accelerate Leaching reaction and carry out, improve its leaching performance.
The technical scheme of the invention described above is mainly based on following principle: we utilize stability and the tungsten of the stability of Mn oxide nickel/cobalt/cobalt oxide in many metal alloys waste material, molybdenum, this character between the stability of the metal oxides such as vanadium, first we add containing Mn material in many metallic alloy melt, and adjust oxygen gesture in stove by passing into oxygen-containing gas, under suitable oxygen potential condition, tungsten in alloy, molybdenum, the metals such as vanadium and the additional part Mn contained in Mn material are all converted into oxide form, nickel/cobalt now in alloy then still exists with metallic state form.Our recycling contains Mn material and the slag making characteristic containing silicon materials, adds appropriate containing Mn material and containing Si material, obtain the MnO-SiO that fusing point is low, mobility is high in stove
2blowing slag type, this MnO-SiO
2the metal oxides such as slag solubilized tungsten, molybdenum, vanadium, but it is then immiscible with alloy state nickel/cobalt, this slag type and the metal oxide such as tungsten, molybdenum, vanadium trapped form slag, and float on nickel/cobalt-base alloy bath surface, reach the effect of the metal such as separating nickel/cobalt and tungsten, molybdenum, vanadium.Based on this, the oxygen-containing gas passed in the present invention both can ensure that in the material that step (2) is added, Mn and Si changed into MnO and SiO respectively
2, impel the MnO-SiO with metal oxides such as trapping tungsten, molybdenum, vanadium
2the formation of slag system, can also facilitate powdered alloy to form loose porous pulverized structure simultaneously, be beneficial to follow-up acidleach process.
In the slag making that the present invention obtains, preferably, MnO/SiO
2>=0.3.Blowing slag type under this condition will have the character such as metal oxide solvability such as more significant low melting point, high workability, high tungsten, molybdenum, vanadium, ensure that the blowing slagging process of step (2) is carried out towards re-set target more smoothly.The slag making containing valuable metal oxide compounds such as tungsten, molybdenum, vanadium that the present invention finally obtains can be leached with strong base solutions such as NaOH, reclaims the valuable metal such as tungsten, molybdenum, alum wherein.
Compared with prior art, the invention has the advantages that:
(1) method of the present invention first can make existing various nickeliferous/many metal alloys waste material of cobalt obtains more fully effectively utilizing, be conducive to the efficiency utilization realizing waste and old resource, more meet the thinking of development of recycling economy;
(2) that adds in treatment process of the present invention can play tungsten in alloy, molybdenum, the oxygenant of vanadium and SiO containing Mn material simultaneously
2the slag former of reaction, improve many-sided effect such as alloy leaching performance, there is auxiliary material utilization ratio high, the advantage that body of heater service efficiency is high;
(3) what the present invention added can release a large amount of heat containing Mn in manganese material with containing the conversion of Si in silicon materials, even reaches the effect maintaining furnace temperature, it reduces the energy consumption in reaction treatment process, remarkable in economical benefits;
(4) the present invention adopts MnO-SiO
2system's blowing slag type, have fusing point low, the advantage that the metal effects such as separating nickel/cobalt and tungsten, molybdenum, vanadium are good, operation is simple and reliable.
(5) the present invention not only obtains the slag making of the valuable metals such as tungstenic, molybdenum, rhenium, vanadium, and the nickel/cobalt alloy powder with irregular loose porous pattern can be obtained, also the most important thing is, the leaching performance of this powdered alloy and slag making is good, these two kinds of products in follow-up leaching operation all without the need to adding catalyzer, avoid the introducing of other impurity of system and poisonous and harmful element, reduce the difficulty of follow-up each valuable metal separating-purifying, equipment easily realizes, and mixed economy, the environment-friendly advantage of technique are very remarkable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 be the present invention nickeliferous/process flow sheet of the treatment process of many metal alloys waste material of cobalt.
Embodiment
For the ease of understanding the present invention, hereafter will do to describe more comprehensively, meticulously to the present invention in conjunction with Figure of description and preferred embodiment, but protection scope of the present invention is not limited to following specific embodiment.
Unless otherwise defined, hereinafter used all technical terms are identical with the implication that those skilled in the art understand usually.The object of technical term used herein just in order to describe specific embodiment is not be intended to limit the scope of the invention.
Unless otherwise specified, the various starting material, reagent, instrument and equipment etc. used in the present invention are all bought by market and are obtained or prepare by existing method.
Embodiment 1:
As shown in Figure 1 of the present invention nickeliferous/treatment process of many metal alloys waste material of cobalt, comprise the following steps:
(1) melted by many metal alloys: many metal alloys waste material of the present embodiment derives from spent catalyst pyrometallurgical smelting, its alloying constituent is Ni 19.12%, Co 2.50%, Fe 58.10%, Mo 8.72%, W 1.08%, V 2.30%; Adopt 50kg level medium-frequency induction furnace to carry out blowing slag test, many metal alloys waste material add-on is 35kg, smelting temperature 1500 DEG C;
(2) add containing manganese material with containing silicon materials, the manganese material that contains in the present embodiment adopts manganese metal (Mn content 99%), and an add-on is 5.0kg, adopts silica (SiO containing silicon materials
2content 98%), an add-on 9.32kg; Pass into air to alloy melt inside and surface simultaneously and carry out blowing slag making; Air pass into flow (2.5m
3/ h) and pass into flow velocity and determine according to the oxygen partial pressure in stove, by controlling suitable oxygen partial pressure, the valuable metal nickel in stove, cobalt are oxidized hardly, other metals of the manganese in stove, tungsten, molybdenum, vanadium are then oxidized;
(3) drag for slag 1 time, the slag making of gained is separated from alloy melt; MnO/SiO in blowing slag making
2=1.58;
(4) powdered alloy 26.92kg (dry meter) is atomized into by isolating the alloy melt after slag making; Containing Ni 23.30%, Co 3.82%, Fe 60.12%, MnO 0.87% in the composition of powdered alloy;
(5) powdered alloy obtained is carried out acidleach; Adopt sulfuric acid leaching, sulfuric acid dosage is 1.10 times that cobalt, nickel all leach required theoretical amount, extraction temperature 55 DEG C, extraction time 6.0h, and the leaching yield of Ni, Co is respectively 99.25%, 99.03%;
(6) the slag making NaOH solution containing Mo, W, V of gained leached, extraction temperature 60 DEG C, the rate of recovery of Mo, W, V is respectively 96.80%, 96.62%, 97.00%.
Embodiment 2:
As shown in Figure 1 of the present invention nickeliferous/treatment process of many metal alloys waste material of cobalt, comprise the following steps:
(1) by many metal alloys scrap melting: many metal alloys waste material of the present embodiment derives from waste high-temperature alloy, its alloying constituent is Ni 62.72%, Co 8.54%, Fe 0.64%, Mo 1.65%, W 7.64%, Al 5.87%, Re 2.42%, Nb 0.51%, Cr 4.77%; Adopt 1000kg level medium-frequency induction furnace to carry out blowing slag making, the add-on of many metal alloys waste material is 700kg, smelting temperature 1700 DEG C;
(2) add containing manganese material with containing silicon materials, the manganese material that contains in the present embodiment adopts pyrolusite (Mn content 39.86%, SiO
213.33%), an add-on is 40kg, adopts silica (SiO containing silicon materials
2content 98%), an add-on 30.15kg; Carry out blowing slag making to the inner and surperficial mixed gas passing into air and oxygen of alloy melt simultaneously; Air (12m
3/ h) and oxygen 5m
3/ h) pass into flow and pass into flow velocity and determine according to the oxygen partial pressure in stove, by controlling suitable oxygen partial pressure, the valuable metal nickel in stove, cobalt are oxidized hardly, other metals of the manganese in stove, tungsten, molybdenum, vanadium are then oxidized;
(3) drag for slag 1 time, the slag making of gained is separated from alloy melt;
(4) continue to repeat above-mentioned step (2) ~ (3) twice, until the metal such as tungsten, molybdenum, vanadium in powdered alloy reaches the requirement of qualified level by isolating the alloy melt after slag making; MnO/SiO in blowing slag making
2=0.55;
(5) powdered alloy 496.10kg (dry meter) is atomized into by isolating the alloy melt after slag making; Containing Ni 70.80%, Co 13.33%, MnO 9.87% in the composition of powdered alloy;
(6) powdered alloy obtained is carried out acidleach; Adopt sulfuric acid leaching, sulfuric acid dosage is 1.75 times that cobalt, nickel all leach required theoretical amount, extraction temperature 75 DEG C, extraction time 1.0h, and the leaching yield of Ni, Co is respectively 99.30%, 99.86%;
(7) the slag making NaOH solution containing Mo, W, V, Re, Nb, Cr, Al of gained leached, extraction temperature 75 DEG C, the rate of recovery of Mo, W, V is respectively 97.25%, 97.19%, 96.85%.
Embodiment 3:
As shown in Figure 1 of the present invention nickeliferous/treatment process of many metal alloys waste material of cobalt, comprise the following steps:
(1) by many metal alloys scrap melting: many metal alloys waste material composition of the present embodiment is Ni 65.80%, Co 6.72%, Mo 1.65%, W 9.00%, Al 6.53%, Re 2.23%, Ta 4.10%; Adopt 1000kg level medium-frequency induction furnace to carry out blowing slag making, the add-on of many metal alloys waste material is 700kg, smelting temperature 1700 DEG C;
(2) add containing manganese material with containing silicon materials, the manganese material that contains in the present embodiment adopts manganese metal (Mn content 99%) and manganese dioxide powder (MnO
2content 95%) mixture (mass ratio of the two is 3: 7), an add-on is 30kg, adopts manganese-silicon (Mn 68%, Si 18%) and the mixture (SiO of silica containing silicon materials
2content 98%), an add-on manganese-silicon 10.0kg and silica 8.0kg; Carry out blowing slag making to the inner and surperficial mixed gas passing into nitrogen and oxygen of alloy melt simultaneously; Nitrogen (8m
3/ h) and oxygen 20m
3/ h) pass into flow and pass into flow velocity and determine according to the oxygen partial pressure in stove, by controlling suitable oxygen partial pressure, the valuable metal nickel in stove, cobalt are oxidized hardly, other metals of the manganese in stove, tungsten, molybdenum, vanadium are then oxidized;
(3) drag for slag 1 time, the slag making of gained is separated from alloy melt;
(4) continue to repeat above-mentioned step (2) ~ (3) twice, until the metal such as tungsten, molybdenum, vanadium in powdered alloy reaches the requirement of qualified level by isolating the alloy melt after slag making; MnO/SiO in blowing slag making
2=2.85;
(5) powdered alloy 512.0kg (dry meter) is atomized into by isolating the alloy melt after slag making; Containing Ni 72.30%, Co 12.50%, MnO 3.60% in the composition of powdered alloy;
(6) powdered alloy obtained is carried out acidleach; Adopt sulfuric acid leaching, sulfuric acid dosage is 1.45 times that cobalt, nickel all leach required theoretical amount, extraction temperature 90 DEG C, extraction time 2.0h, and the leaching yield of Ni, Co is respectively 99.42%, 99.56%;
(7) the slag making NaOH solution containing Mo, W, Re, Ta of gained leached, extraction temperature 90 DEG C, the rate of recovery of Mo, W, Re is respectively 98.03%, 98.56%, 97.96%.
Claims (10)
1. a treatment process for many metal alloys waste material of nickeliferous/cobalt, comprises the following steps:
(1) described many metal alloys scrap melting is formed alloy melt; Containing at least one in nickel, cobalt metal in described many metal alloys waste material, and hardly containing Mn and Si; Also containing one or more in tungsten, molybdenum, vanadium in described many metal alloys waste material;
(2) add containing manganese material with containing silicon materials, pass into oxygen-containing gas simultaneously and carry out blowing slag making;
(3) slag making of gained is separated from alloy melt;
(4) powdered alloy is atomized into by isolating the alloy melt after slag making; Mn element at least containing 0.5% in described powdered alloy;
(5) powdered alloy obtained is carried out acidleach;
(6) the slag making highly basic of gained is leached, reclaim valuable metal wherein.
2. treatment process according to claim 1, is characterized in that: the process of described many metal alloys scrap melting adopts electric furnace to carry out.
3. treatment process according to claim 1, is characterized in that: the described manganese material that contains is by containing Mn oxide material, containing manganese metalliferous material, forming containing at least one in manganese alloy material; The described silicon materials that contains is made up of at least one in oxide containing silicon material, silicon-containing alloy material.
4. treatment process according to claim 3, is characterized in that: comprise at least one in Manganse Dioxide, pyrolusite containing Mn oxide material; Manganese metal selected by the described manganese metalliferous material that contains; The described at least one selected containing manganese alloy material in Ferro Manganese, manganese-silicon; Silica selected by described oxide containing silicon material; Manganese-silicon selected by described silicon-containing alloy material.
5. the treatment process according to any one of Claims 1 to 4, is characterized in that: described in pass into gas when carrying out blowing slag making, to alloy melt, inner and/or surface passes into gas, and described gas comprises at least one in air, oxygen, carbonic acid gas.
6. treatment process according to claim 5, it is characterized in that: the intake of described gas and pass into flow velocity and determine according to the oxygen partial pressure in stove, by controlling, suitable oxygen partial pressure makes the valuable metal nickel in stove, cobalt is oxidized hardly, and other metals of the manganese in stove, tungsten, molybdenum, vanadium are then oxidized.
7. treatment process according to claim 5, is characterized in that: in described powdered alloy, the content of Mn element is 0.5% ~ 15%, and the Mn part in powdered alloy exists with MnO form, forms the powdered alloy of loose and porous structure.
8. the treatment process according to any one of Claims 1 to 4, is characterized in that: the slag making that described step (3) obtains is MnO-SiO
2blowing slag type, wherein MnO/SiO
2>=0.3.
9. the treatment process according to any one of Claims 1 to 4, it is characterized in that: by isolate in described step (3) alloy melt after slag making continue to repeat above-mentioned step (2) ~ (3) once more than, until tungsten in powdered alloy, molybdenum, vanadium metal reach the requirement of qualified level.
10. the treatment process according to any one of Claims 1 to 4, is characterized in that: described acidleach refers to carries out normal pressure leaching under sulphuric acid soln system; 1.05 times ~ 2.5 times that the consumption of described sulfuric acid is cobalt in powdered alloy, nickel metal all leaches required theoretical amount, extraction temperature is greater than 50 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557582A (en) * | 2017-07-25 | 2018-01-09 | 昆明理工大学 | A kind of selective extraction and the method for being enriched with valuable metal in more metals resources |
| CN109022819A (en) * | 2018-09-05 | 2018-12-18 | 长沙矿冶研究院有限责任公司 | A method of recycling valuable metal from the alloy of iron content cobalt copper |
| CN115522054A (en) * | 2022-09-13 | 2022-12-27 | 四川顺应动力电池材料有限公司 | Method for preparing nickel intermediate product by using petroleum waste catalyst |
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| CN101195864A (en) * | 2007-12-20 | 2008-06-11 | 金川集团有限公司 | Nickel cobalt waste material recycling and processing method |
| CN102560100A (en) * | 2012-02-21 | 2012-07-11 | 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 |
| CN104674013A (en) * | 2015-03-11 | 2015-06-03 | 长沙矿冶研究院有限责任公司 | Recycling method for Co- and/or Ni-containing waste battery |
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| CN101195864A (en) * | 2007-12-20 | 2008-06-11 | 金川集团有限公司 | Nickel cobalt waste material recycling and processing method |
| CN102560100A (en) * | 2012-02-21 | 2012-07-11 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107557582A (en) * | 2017-07-25 | 2018-01-09 | 昆明理工大学 | A kind of selective extraction and the method for being enriched with valuable metal in more metals resources |
| CN107557582B (en) * | 2017-07-25 | 2018-11-09 | 昆明理工大学 | A kind of method of selective extraction and valuable metal in the more metals resources of enrichment |
| CN109022819A (en) * | 2018-09-05 | 2018-12-18 | 长沙矿冶研究院有限责任公司 | A method of recycling valuable metal from the alloy of iron content cobalt copper |
| CN115522054A (en) * | 2022-09-13 | 2022-12-27 | 四川顺应动力电池材料有限公司 | Method for preparing nickel intermediate product by using petroleum waste catalyst |
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