CN102489386A - Method for separating fine cassiterite - Google Patents

Method for separating fine cassiterite Download PDF

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Publication number
CN102489386A
CN102489386A CN2011104179888A CN201110417988A CN102489386A CN 102489386 A CN102489386 A CN 102489386A CN 2011104179888 A CN2011104179888 A CN 2011104179888A CN 201110417988 A CN201110417988 A CN 201110417988A CN 102489386 A CN102489386 A CN 102489386A
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flotation
concentrate
cassiterite
ore
gram
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CN2011104179888A
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Chinese (zh)
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CN102489386B (en
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邱显扬
胡真
李汉文
汤玉和
何庆浪
叶富兴
童雄
王成行
汪泰
陈志强
邹坚坚
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广州有色金属研究院
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Abstract

The invention relates to a method for separating fine cassiterite, which is characterized by comprising the following steps of: grinding a raw ore, performing size mixing, and performing flotation on a sulfide ore; performing magnetic separation on tailings of the sulfide ore subjected to flotation, and grading the tailings subjected to magnetic separation into particles of +0.043mm and particles of -0.043mm; performing gravity separation on the particles of +0.043mm by using a spiral chute and a shaker to obtain a shaker cassiterite concentrate; desliming the particles of -0.043mm by using a cyclone to obtain cyclone settled sand; performing size mixing, primary flotation roughing, primary flotation scavenging and primary flotation cleaning on the cyclone settled sand to obtain a flotation coarse concentrate; performing gravity separation on the flotation coarse concentrate by using a centrifugal ore separator to obtain a centrifugal gravity separation cassiterite concentrate; and mixing the shaker cassiterite concentrate and the centrifugal gravity separation cassiterite concentrate to obtain a total cassiterite concentrate. Roughing is performed by the spiral chute, so that the processing capacity in a unit area is greatly improved, the occupied area is saved, and separation efficiency is high; and flotation roughing and gravity separation cleaning are combined, so that the consumption of a flotation agent is low, cost is low, the ore separation enrichment ratio is 5 to 10, and the recovery rate of the cassiterite is high.

Description

A kind of beneficiation method of micro fine particle
Technical field
The present invention relates to a kind of beneficiation method, particularly a kind of beneficiation method of micro fine particle.
Background technology
Cassiterite is because the crisp specific physical character such as frangible of its property, and argillization or cross and pulverize very easily in muck, grinding process produces a large amount of secondary slimes.The fine cassiterite of disseminated grain size particularly, itself and sulphide ore or the fine and close symbiosis of iron mineral are perhaps wrapped up by gangue mineral.Dissociate if realize the effective monomer of cassiterite mineral, need the ore fine grinding so, can be produced secondary slime inevitably, so micro fine particle has the characteristics of difficult choosing.The tin about 80% of the annual loss of China at present is that the form with thin mud exists and is lost in the mine tailing.
The tin ore beneficiation method is mainly two kinds of gravity separation method and floatations.Because cassiterite is bigger with the density variation of gangue mineral than great, thereby gravity treatment is the main method that cassiterite reclaims always.Gravity treatment since low, the non-environmental-pollution of its processing cost, concentration ratio high, can obtain generally to be adopted than advantage such as the tin concentrate of high-grade.Using in the gravitational separation equipment is shaking table the most widely, and they are many unites use with gravitational separation equipments such as jigging machine and spiral chutes and carry out the sorting of cassiterite.Floatation is primarily aimed at particulate and recovery of micro fine particle.
For particulate and micro fine particle ore-dressing technique many all the time with single gravity treatment or flotation as core key technology.Production practices show, the single gravity table of micro fine particle sorts-the 0.043+0.010mm grain-level recovery is low, and are about about 13%, and for the cassiterite of-0.010mm grade, gravity treatment almost can't be reclaimed.Single flotation exists then that dosing is big, cost is high, environment is had certain pollution, the problem of deficiency in economic performance.
Chinese patent publication number CN101884951 discloses a kind of particulate and micro fine particle beneficiation combined method method: carry out the desulfurization flotation after particulate and micro-size fraction cassiterite are concentrated through deposition; The realization sulphide ore separates with oxide ore; Carry out the operation of flotation cassiterite then; Obtain cassiterite hair concentrate, magnetic separation again, desliming dehydration and gravity table operation finally obtain the tin concentrate.New method described in the literary composition is directly carried out the cassiterite flotation after the i.e. cassiterite desulfurization flotation, the cassiterite concentrate after the flotation carries out magnetic separation and cyclone desliming operation again.This just explains in giving the ore deposit and is existing a large amount of sludges and part iron mineral.And sludge and iron mineral are disturbing factors main in the cassiterite flotation, not only influence the stability of flotation effect, and the floating agent consumption of cassiterite can be very big, and production cost also can be very high.In addition, the cassiterite rough concentrate carries out the cyclone desliming, and the stability of desliming can directly receive the influence of cassiterite flotation effect, so stability also is difficult to guarantee.
Wu Wujin (thin mud cassiterite Research on Flotation, " Shanghai second Industry Univ's journal ", 2000 (2), 66-72) the thin mud cassiterite in Che He ore dressing plant is studied the classification overflow that this thin mud cassiterite is twice gravity tailings.Because flotation gives the clay content in the ore deposit bigger, so two kinds of technological processes having carried out desliming-floating tin and desulfurization-desliming-floating tin to this thin mud cassiterite relatively, a kind of flow process is reasonable more economically after thinking, concentrate quality is higher.This technology also is the single flotation flowsheet that adopts to the flotation of cassiterite, and is bigger to the dependence of floating agent.
He Mingfei etc. (particulate cassiterite flotation research, " Mineral Engineering ", 2008 (4), 29-31) propose method for floating and reclaimed particulate cassiterite.With BY-5 and sodium carbonate is gangue inhibitor, and BY-9 is a collecting agent, and P-86 is a supplementary catching agent; A flotation can obtain thin grade 8.56%; The tin rough concentrate of the rate of recovery 61.61%, tin rough concentrate is carrying out selectedly, and the tin concentrate grade reaches 53.58%; Operation recovery 81.35%, tin overall recovery 50.12%.This method is single method for floating, though can obtain the concentrate product than high-grade, exists the problem that the floating agent consumption is big, production cost is high equally.
In sum and since gravity treatment to micro fine particle to sort efficient low, so the direction of research has mainly concentrated on single flotation technology.Though part technology has been taked cassiterite anticipating before sorting, perhaps adopt the technological process of associating, the relatively poor problem of flotation cost height or reasonability is still unresolved.
Summary of the invention
The object of the present invention is to provide a kind of beneficiation method of micro fine particle, this method energy consumption is low, occupation area of equipment is little, sort the efficient height, the rate of recovery high.
Beneficiation method of the present invention is made up of following steps:
1. the tcrude ore ore grinding is accounted for 80~88% to-0.074mm; Add water size mixing to ore pulp be concentration 25~33%; By raw ore per ton, add 500~2000 gram copper sulphate successively, 100~200 gram butyl xanthates and No. 2 oil of 10~100 gram foaming agents; Carry out sulfide flotation, obtain flotation sulphide concentrate and flotation sulfide ore tailings;
2. be under the condition of 0.1T in the background magnetic field field intensity, magnetic separation flotation sulfide ore tailings obtains magnetic concentrate and magnetic tailing; Magnetic tailing is classified as+0.043mm and-two grades of 0.043mm;
3.+the 0.043mm grade carries out the spiral chute gravity treatment, obtains spiral chute rough concentrate and spiral chute mine tailing; The spiral chute rough concentrate carries out table concentration, obtains shaking table cassiterite concentrate and shaking table mine tailing;
4.-the 0.043mm grade carries out the cyclone desliming, obtains cyclone overflow and cyclone sand setting;
5. with the cyclone sand setting size mixing to pulp density be 25~33%; By raw ore per ton, add 500~2000 gram adjustment agent successively and size mixing, 500~1500 gram collecting agents and No. 2 oil of 20~100 gram foaming agents; Carry out roughing flotation one time, obtain roughing flotation concentrate and roughing flotation mine tailing;
6. roughing flotation mine tailing pulp density is 20~30%, and adding 500~1000 gram collecting agents, No. 2 oil of 10~40 gram foaming agents carry out a flotation to be scanned, and obtains scavenger concentrate and scans mine tailing, and scavenger concentrate is back to roughing flotation operation formation closed cycle;
7. roughing flotation concentrate pulp concentration is 10~30%, and it is selected to carry out primary blank, obtains flotation rough concentrate and flotation tailing, and flotation tailing is back to a roughing flotation operation and forms closed cycle;
8. selected rough concentrate carries out the centrifugal ore separator gravity treatment, obtains centrifugal reselection cassiterite concentrate and centrifugal reselection cassiterite chats.Shaking table cassiterite concentrate and centrifugal reselection cassiterite concentrate are merged into total cassiterite concentrate.
Said adjustment agent is sodium carbonate, waterglass or calgon.
Said collecting agent is styrene phosphoric acid, bigcatkin willow hydroximic acid ammonium or benzene first hydroximic acid.
Advantage of the present invention is: 1. before micro fine particle reclaims, carried out desulfurization flotation operation and magnetic concentration working, removed the sulphide ore and the iron mineral that influence the cassiterite concentrate quality, created good ore pulp environment for cassiterite sorts; 2.+0.043mm grade adopts spiral chute to roughly select, and has improved the disposal ability of unit are greatly, has saved floor space, the efficiency of separation is high; 3. right-0.043mm grade is done the cyclone desliming and is handled, and removes-the following sludge of 0.010mm, has reduced the interference of sludge to follow-up flotation; 4. adopt the cassiterite of roughing flotation and the selected recovery that combines of gravity treatment-0.043+0.010mm grade, the floating agent consumption is few, cost is low, and the beneficiation enrichment ratio reaches 5~10, and the cassiterite rate of recovery is high.
Description of drawings
Fig. 1: process chart of the present invention.
The specific embodiment
For a better understanding of the present invention, further illustrate content of the present invention, but content of the present invention not only is confined to embodiment below in conjunction with embodiment.
Embodiment 1
Select Chinese yunnan somewhere cassiterite raw ore for use, essential mineral consists of cassiterite, magnetic iron ore, marmatite, magnetic iron ore, hornblend, biotite, quartz, pyroxene and calcite etc.Raw ore tin grade is 0.98%.The tcrude ore ore grinding is accounted for 82% to-0.074mm, add water size mixing to ore pulp be 30% concentration, by raw ore per ton; Adding 1000 gram copper sulphate successively sizes mixing; 150 gram butyl xanthates and No. 2 oil of 80 gram foaming agents carry out sulfide flotation, obtain flotation sulphide concentrate and flotation sulfide ore tailings; Flotation sulphide concentrate stanniferous 0.35% wherein, the tin rate of recovery is 10.01%; The flotation sulfide ore tailings is to carry out magnetic separation under the condition of 0.1T in the background magnetic field field intensity, obtains magnetic concentrate and magnetic tailing, and wherein the magnetic concentrate stanniferous 0.25%, and the tin rate of recovery is 2.76%; Magnetic tailing is classified as+0.043mm and-two grades of 0.043mm; + 0.043mm grade is carried out the spiral chute gravity treatment, obtains spiral chute rough concentrate and spiral chute mine tailing; The spiral chute rough concentrate carries out table concentration, obtains shaking table cassiterite concentrate and shaking table mine tailing, and wherein shaking table cassiterite concentrate stanniferous 58.23%, the rate of recovery 23.79%;-0.043mm grade is carried out the hydrocyclone desliming, obtains cyclone overflow and cyclone sand setting; The cyclone sand setting size mixing to ore pulp be 26% concentration, by raw ore per ton, add 1000 gram waterglass successively, 1000 gram bigcatkin willow hydroximic acid ammoniums and 60 gram foaming agents No. 2 oil carry out roughing flotation one time, obtain roughing flotation concentrate and roughing flotation mine tailing; Roughing flotation mine tailing pulp density is 24%, and adding 600 gram bigcatkin willow hydroximic acid ammoniums, No. 2 oil of 40 gram foaming agents carry out a flotation to be scanned, and obtains scavenger concentrate and scans mine tailing, and scavenger concentrate is back to roughing flotation operation formation closed cycle; Roughing flotation concentrate pulp concentration is 15%, and it is selected to carry out primary blank, obtains flotation rough concentrate and flotation tailing, and wherein flotation rough concentrate tin grade is 6.20%, and flotation tailing is back to a roughing flotation operation and forms closed cycle; The flotation rough concentrate carries out the centrifugal ore separator gravity treatment, obtains centrifugal reselection cassiterite concentrate and centrifugal reselection cassiterite chats, centrifugal reselection cassiterite concentrate tin grade 49.08% wherein, and the rate of recovery is 40.11%, the operation concentration ratio is 7.92.Shaking table cassiterite concentrate and centrifugal reselection cassiterite concentrate are merged into total cassiterite concentrate, and the tin grade is 52.13%, and overall recovery reaches 58.83%.
Embodiment 2
Raw ore is identical with embodiment 1, and raw ore tin grade is 0.96%.The tcrude ore ore grinding is accounted for 85% to-0.074mm, add water size mixing to ore pulp be 30% concentration, by raw ore per ton; Adding 1500 gram copper sulphate successively sizes mixing; 150 gram butyl xanthates and No. 2 oil of 100 gram foaming agents carry out sulfide flotation, obtain flotation sulphide concentrate and flotation sulfide ore tailings; Flotation sulphide concentrate stanniferous 0.31% wherein, the tin rate of recovery is 8.38%; The flotation sulfide ore tailings is to carry out magnetic separation under the condition of 0.1T in the background magnetic field field intensity, obtains magnetic concentrate and magnetic tailing, and wherein the magnetic concentrate stanniferous 0.22%, and the tin rate of recovery is 2.06%; Magnetic tailing is classified as+0.043mm and-two grades of 0.043mm; + 0.043mm grade is carried out the spiral chute gravity treatment, obtains spiral chute rough concentrate and spiral chute mine tailing; The spiral chute rough concentrate carries out table concentration, obtains shaking table cassiterite concentrate and shaking table mine tailing, and wherein shaking table cassiterite concentrate stanniferous 57.03%, the rate of recovery 29.65%;-0.043mm grade product carries out the hydrocyclone desliming, obtains cyclone overflow and cyclone sand setting; The cyclone sand setting size mixing to ore pulp be 26% concentration, by raw ore per ton, add 1000 gram sodium carbonate successively, 1000 gram styrene phosphoric acid and 60 gram foaming agents No. 2 oil carry out roughing flotation one time, obtain roughing flotation concentrate and roughing flotation mine tailing; Roughing flotation mine tailing pulp density is 24%, and adding 600 gram styrene phosphoric acid, No. 2 oil of 40 gram foaming agents carry out a flotation to be scanned, and obtains scavenger concentrate and scans mine tailing, and scavenger concentrate is back to roughing flotation operation formation closed cycle; Roughing flotation concentrate pulp concentration is 12%, and it is selected to carry out primary blank, obtains flotation rough concentrate and flotation tailing, and wherein flotation rough concentrate tin grade is 5.80%, and flotation tailing is back to a roughing flotation operation and forms closed cycle; The flotation rough concentrate carries out the centrifugal ore separator gravity treatment, obtains centrifugal reselection cassiterite concentrate and centrifugal reselection cassiterite chats, centrifugal reselection cassiterite concentrate tin grade 48.08% wherein, and the rate of recovery is 35.00%, the operation concentration ratio is 8.29.Shaking table cassiterite concentrate and centrifugal reselection cassiterite concentrate are merged into total cassiterite concentrate, and the tin grade is 51.81%, and overall recovery reaches 64.65%.
Embodiment 3
Raw ore is identical with embodiment 1, and raw ore tin grade is 1.08%.The tcrude ore ore grinding is accounted for 86% to-0.074mm, add water size mixing to ore pulp be 29% concentration, by raw ore per ton; Adding 2000 gram copper sulphate successively sizes mixing; 200 gram butyl xanthates and No. 2 oil of 100 gram foaming agents carry out sulfide flotation, obtain flotation sulphide concentrate and flotation sulfide ore tailings; Flotation sulphide concentrate stanniferous 0.36% wherein, the tin rate of recovery is 9.99%; The flotation sulfide ore tailings is to carry out magnetic separation under the condition of 0.1T in the background magnetic field field intensity, obtains magnetic concentrate and magnetic tailing, and wherein the magnetic concentrate stanniferous 0.30%, and the tin rate of recovery is 2.22%; Magnetic tailing is classified as+0.043mm and-two grades of 0.043mm; + 0.043mm grade is carried out the spiral chute gravity treatment, obtains spiral chute rough concentrate and spiral chute mine tailing; The spiral chute rough concentrate carries out table concentration, obtains shaking table cassiterite concentrate and shaking table mine tailing, and wherein shaking table cassiterite concentrate stanniferous 55.20%, the rate of recovery 30.65%;-0.043mm grade is carried out the hydrocyclone desliming, obtains cyclone overflow and cyclone sand setting; The cyclone sand setting size mixing to ore pulp be 25% concentration, by raw ore per ton, add 500 gram calgons successively, 1000 gram benzene first hydroximic acids and 60 gram foaming agents No. 2 oil carry out roughing flotation one time, obtain roughing flotation concentrate and roughing flotation mine tailing; Roughing flotation mine tailing pulp density is 24%, and adding 600 gram benzene first hydroximic acids, No. 2 oil of 40 gram foaming agents carry out a flotation to be scanned, and obtains scavenger concentrate and scans mine tailing, and scavenger concentrate is back to roughing flotation operation formation closed cycle; Roughing flotation concentrate pulp concentration is 10%, and it is selected to carry out primary blank, obtains flotation rough concentrate and flotation tailing, and wherein flotation rough concentrate tin grade is 5.60%, and flotation tailing is back to a roughing flotation operation and forms closed cycle; The flotation rough concentrate carries out the centrifugal ore separator gravity treatment, obtains centrifugal reselection cassiterite concentrate and centrifugal reselection cassiterite chats, centrifugal reselection cassiterite concentrate tin grade 47.00% wherein, and the rate of recovery is 34.79%, the operation concentration ratio is 8.39.Shaking table cassiterite concentrate and centrifugal reselection cassiterite concentrate are merged into total cassiterite concentrate, and the tin grade is 50.51%, and overall recovery reaches 65.44%.

Claims (3)

1. the beneficiation method of a micro fine particle is characterized in that being made up of following steps:
1. the tcrude ore ore grinding is accounted for 80~88% to-0.074mm; Add water size mixing to ore pulp be concentration 25~33%; By raw ore per ton, add 500~2000 gram copper sulphate successively, 100~200 gram butyl xanthates and No. 2 oil of 10~100 gram foaming agents; Carry out sulfide flotation, obtain flotation sulphide concentrate and flotation sulfide ore tailings;
2. be under the condition of 0.1T in the background magnetic field field intensity, magnetic separation flotation sulfide ore tailings obtains magnetic concentrate and magnetic tailing; Magnetic tailing is classified as+0.043mm and-two grades of 0.043mm;
3.+the 0.043mm grade carries out the spiral chute gravity treatment, obtains spiral chute rough concentrate and spiral chute mine tailing; The spiral chute rough concentrate carries out table concentration, obtains shaking table cassiterite concentrate and shaking table mine tailing;
4.-the 0.043mm grade carries out the cyclone desliming, obtains cyclone overflow and cyclone sand setting;
5. with the cyclone sand setting size mixing to pulp density be 25~33%; By raw ore per ton, add 500~2000 gram adjustment agent successively and size mixing, 500~1500 gram collecting agents and No. 2 oil of 20~100 gram foaming agents; Carry out roughing flotation one time, obtain roughing flotation concentrate and roughing flotation mine tailing;
6. roughing flotation mine tailing pulp density is 20~30%, and adding 500~1000 gram collecting agents, No. 2 oil of 10~40 gram foaming agents carry out a flotation to be scanned, and obtains scavenger concentrate and scans mine tailing, and scavenger concentrate is back to roughing flotation operation formation closed cycle;
7. roughing flotation concentrate pulp concentration is 10~30%, and it is selected to carry out primary blank, obtains flotation rough concentrate and flotation tailing, and flotation tailing is back to a roughing flotation operation and forms closed cycle;
8. the flotation rough concentrate carries out the centrifugal ore separator gravity treatment, obtains centrifugal reselection cassiterite concentrate and centrifugal reselection cassiterite chats.Shaking table cassiterite concentrate and centrifugal reselection cassiterite concentrate are merged into total cassiterite concentrate.
2. the beneficiation method of micro fine particle according to claim 1 is characterized in that said adjustment agent is sodium carbonate, waterglass or calgon.
3. the beneficiation method of micro fine particle according to claim 1 is characterized in that said collecting agent is styrene phosphoric acid, bigcatkin willow hydroximic acid ammonium or benzene first hydroximic acid.
CN 201110417988 2011-12-13 2011-12-13 Method for separating fine cassiterite CN102489386B (en)

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CN103551245A (en) * 2013-11-25 2014-02-05 长沙有色冶金设计研究院有限公司 Beneficiation method for comprehensively reclaiming complex multi-metal micro-grain cassiterite sulphide ore
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CN110170381A (en) * 2019-05-09 2019-08-27 广东省资源综合利用研究所 A kind of beneficiation method recycling cassiterite from tin copper mineral intergrowth
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CN103381389A (en) * 2013-07-19 2013-11-06 广西华锡集团股份有限公司再生资源分公司 Production technology for improving secondary recovery rate of tailings
CN103495493A (en) * 2013-10-14 2014-01-08 北京矿冶研究总院 Beneficiation method for low-grade and fine-particulate tin ore
CN103495493B (en) * 2013-10-14 2015-11-18 北京矿冶研究总院 A kind of beneficiation method of low-grade fine-particulate tin ore
CN103551245A (en) * 2013-11-25 2014-02-05 长沙有色冶金设计研究院有限公司 Beneficiation method for comprehensively reclaiming complex multi-metal micro-grain cassiterite sulphide ore
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CN104226463A (en) * 2014-07-28 2014-12-24 蒙自矿冶有限责任公司 Beneficiation method for high-tin-content multi-metal sulfide ores
CN104226463B (en) * 2014-07-28 2016-05-25 蒙自矿冶有限责任公司 A kind of beneficiation method of high tin-polymetallic sulphide ore
CN104195352A (en) * 2014-08-20 2014-12-10 来宾华锡冶炼有限公司 Method for recovering tin metal from tin-containing waste bricks
CN104492608A (en) * 2014-11-21 2015-04-08 广西大学 Floatation separation method of micro-fine-particle cassiterite minerals and quartz
CN104492608B (en) * 2014-11-21 2017-01-25 广西大学 Floatation separation method of micro-fine-particle cassiterite and quartz
CN104759340A (en) * 2015-01-09 2015-07-08 临武县南方矿业有限责任公司 Reprocessing method of tin flotation rough concentrate and industrial application thereof
CN104588201A (en) * 2015-01-09 2015-05-06 临武县南方矿业有限责任公司 Advanced slurry mixing and grading method for gravity raw ore and application of advanced slurry mixing and grading method
CN104759340B (en) * 2015-01-09 2018-03-02 临武县南方矿业有限责任公司 It is a kind of to tin flotation rough concentrate process for subsequent treatment and its commercial Application
CN104588201B (en) * 2015-01-09 2017-09-15 临武县南方矿业有限责任公司 A kind of gravity treatment raw ore is sized mixing stage division and its application in advance
CN105435957A (en) * 2016-01-12 2016-03-30 云南华联锌铟股份有限公司 Mineral separation technology for recovering low-grade marmatite and cassiterite minerals from copper separation tailings
CN106583023A (en) * 2016-11-23 2017-04-26 昆明理工大学 Beneficiation method for microgranular cassiterite
CN106733144A (en) * 2016-11-30 2017-05-31 昆明理工大学 A kind of method of the low-grade tungsten of association in recovery sulphide ore
CN107088468B (en) * 2016-12-06 2018-10-09 西乌珠穆沁旗银漫矿业有限责任公司 The beneficiation method of recycling silver, copper, sulphur and tin in a kind of tin silver symbiosis polymetallic ore
CN107088468A (en) * 2016-12-06 2017-08-25 西乌珠穆沁旗银漫矿业有限责任公司 The beneficiation method of silver, copper, sulphur and tin is reclaimed in a kind of silver-colored symbiosis polymetallic ore of tin
CN108212507A (en) * 2016-12-14 2018-06-29 北京有色金属研究总院 A kind of ore-dressing technique that particulate and micro fine particle are recycled from tailing
CN108212507B (en) * 2016-12-14 2020-02-18 有研工程技术研究院有限公司 Mineral processing technology for recovering fine grains and micro-fine grains of cassiterite from tailings
CN106861927A (en) * 2017-01-10 2017-06-20 广西高峰矿业有限责任公司 A kind of beneficiation method of micro fine particle
CN106984425B (en) * 2017-03-29 2019-04-09 厦门紫金矿冶技术有限公司 A kind of sub-prime classification diversion processing method of Lower Grade Micro-fine Grain tin ore
CN106984425A (en) * 2017-03-29 2017-07-28 厦门紫金矿冶技术有限公司 A kind of sub-prime classification diversion processing method of Lower Grade Micro-fine Grain tin ore
CN107051712A (en) * 2017-04-13 2017-08-18 昆明冶金研究院 A kind of beneficiation method of the recovery valuable metal of stanniferous magnetic iron ore
CN107099691A (en) * 2017-07-12 2017-08-29 铜山县丰华工贸有限公司 A kind of manganese agent and preparation method thereof of aluminum alloy smelting
CN107890946A (en) * 2017-09-29 2018-04-10 昆明理工大学 A kind of beneficiation method of micro fine particle
CN110170381A (en) * 2019-05-09 2019-08-27 广东省资源综合利用研究所 A kind of beneficiation method recycling cassiterite from tin copper mineral intergrowth
CN110479498A (en) * 2019-07-22 2019-11-22 广东省资源综合利用研究所 The beneficiation method of recycling tin and silver in a kind of low-grade tailing of skarn type
CN110479499A (en) * 2019-07-22 2019-11-22 广东省资源综合利用研究所 A method of Comprehensive Recovery of Ag, tin and iron from quartz vein banding pattern tailing

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