CN102259062A - Cationic flotation collector and preparation method thereof - Google Patents
Cationic flotation collector and preparation method thereof Download PDFInfo
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- CN102259062A CN102259062A CN2011101259289A CN201110125928A CN102259062A CN 102259062 A CN102259062 A CN 102259062A CN 2011101259289 A CN2011101259289 A CN 2011101259289A CN 201110125928 A CN201110125928 A CN 201110125928A CN 102259062 A CN102259062 A CN 102259062A
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- 238000005188 flotation Methods 0.000 title claims abstract description 40
- 125000002091 cationic group Chemical group 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- -1 silicon ammonium salt compound Chemical class 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 16
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000001412 amines Chemical class 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000011780 sodium chloride Substances 0.000 claims abstract description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 10
- 239000001103 potassium chloride Substances 0.000 claims abstract description 7
- 235000011164 potassium chloride Nutrition 0.000 claims abstract description 7
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- 239000011787 zinc oxide Substances 0.000 claims abstract description 6
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims abstract description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 235000010755 mineral Nutrition 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000007667 floating Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- UHIFJPAQGVQMPP-UHFFFAOYSA-N N.[Si+4] Chemical compound N.[Si+4] UHIFJPAQGVQMPP-UHFFFAOYSA-N 0.000 abstract 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 7
- DCERHCFNWRGHLK-UHFFFAOYSA-N C[Si](C)C Chemical compound C[Si](C)C DCERHCFNWRGHLK-UHFFFAOYSA-N 0.000 description 7
- 238000005660 chlorination reaction Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910001570 bauxite Inorganic materials 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- YACCECLVHQLZQK-UHFFFAOYSA-N methoxyperoxyethane Chemical compound CCOOOC YACCECLVHQLZQK-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RNYJXPUAFDFIQJ-UHFFFAOYSA-N hydron;octadecan-1-amine;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH3+] RNYJXPUAFDFIQJ-UHFFFAOYSA-N 0.000 description 2
- 229910052900 illite Inorganic materials 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 229910052604 silicate mineral Inorganic materials 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RZJRJXONCZWCBN-UHFFFAOYSA-N alpha-octadecene Natural products CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009291 froth flotation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229940038384 octadecane Drugs 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 125000002769 thiazolinyl group Chemical group 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a cationic flotation collector and a preparation method thereof. An organic silicon ammonium salt compound shown by a formula I is used as a collector for flotation of oxidized ore and salt ore. In the formula I, R1 is a C8 to C18 alkyl, R2 and R3 may be hydrogen atom, methyl or ethyl respectively, R4, R5 and R6 may be methyl, methoxy, ethyl or ethoxy respectively and X may be Cl or Br. The preparation method is to react fatty amine with organohalosilane at 0 to 80DEG C for 0.5 to 2 hours to form the organic silicon ammonium salt compound shown by the formula I. The organic silicon ammonium salt collector disclosed by the invention can be used in place of a fatty amine collector for removing silicon and purity in reverse flotation of oxidized ore such as aluminum ore and iron ore and for floating zinc oxide and floating and separating potassium chloride and sodium chloride. Compared with fatty amine collector, the cationic flotation collector has the characteristics of high collecting capacity, high selectivity, low use amount per ton of ore, convenience for use and the like.
Description
[technical field]
The present invention relates to a kind of cationic flotation collector---organosilicon ammonium salt compound and preparation method thereof.
[background technology]
The fifties in last century, the U.S. uses fat primary amine cationic flotation collecting agent successfully to realize the Counterfloatating desiliconization of iron ore.Since then, cationic collecting agent is paid attention to as a kind of important floating agent always deeply, not only in the Counterfloatating desiliconization removal of impurities of oxide ores such as iron ore, bauxite, apatite, succeed to use, and also obtain commercial Application at the aspects such as FLOTATION SEPARATION of flotation, potassium chloride and the sodium chloride of zinc oxide ore.Employed cationic collecting agent is mainly fat amine compound at present, serves as typical case's representative with lauryl amine and octadecylamine, is characterized in that the collecting agent collecting ability is strong, and dosing is less, and flotation efficiency is higher, and technological process is simple, is easy to commercial Application.But also exist collecting agent to the sludge sensitivity, selectivity is relatively poor, generally need carry out shortcomings such as desliming processing.
At the problem and shortage that the cationic collecting agent of fatty amine exists, patent US3960715 discloses the foam flotation method that uses cation-collecting agent FLOTATION SEPARATION silicon minerals from iron ore such as dodecyl trimethyl quaternary ammonium salt; Patent ZL02113999.7 discloses a kind of substitutional amine-group compound that is used for inverse floatation of bauxite, and its structural formula is RY (CH
2)
2NH
2, wherein Y is that O or NH, R are straight, branched alkyl, cycloalkyl, thiazolinyl or the aromatic radical that contains 1～20 carbon atom; Patent ZL02139837.2 discloses a kind of compound quaternary cationic surfactant that is used for iron ore and inverse floatation of bauxite.Above-mentioned disclosed patented technology respectively has characteristics, but remains in certain deficiency, and it is relatively poor to fine fraction silicate mineral collecting ability mainly to show as collecting agent, its collecting ability and selectivity and still need further raising.
The present invention proposes that a kind of new cationic collecting agent---the organosilicon ammonium salt compound is as the collecting agent of oxide ore and saline minerals flotation, and the preparation method of this compounds.The organosilicon ammonium salt compound has the organosilicon radical of strong-hydrophobicity owing in the collecting agent molecule, thereby can significantly strengthen the FLOTATION SEPARATION of oxide ore and saline minerals, has characteristics such as simple synthetic method, flotation efficiency height, metal recovery rate height.At present, do not see the report that the organosilicon ammonium salt compound is used in froth flotation.
[summary of the invention]
The purpose of this invention is to provide a kind of new cation-collecting agent---organosilicon ammonium salt compound, be applied to the floatation process of oxide ore and saline minerals, realize the efficient FLOTATION SEPARATION of purpose mineral and its gangue mineral.Another object of the present invention aims to provide the preparation method of described organosilicon ammonium salt compound.
The objective of the invention is to realize by following manner.
The present invention will have the collecting agent of the organosilicon ammonium salt compound of formula I structural formula as oxide ore and saline minerals flotation.
R in the formula
1Be the alkyl of C8-C18, R
2And R
3Independently be selected from hydrogen atom, methyl or ethyl separately; R
4, R
5, R
6Independently be selected from methyl, methoxy or ethoxy separately, X is Cl or Br.
Organosilicon ammonium salt compound of the present invention is as the collecting agent of oxide ore and saline minerals flotation, is to use this compound in the FLOTATION SEPARATION of Counterfloatating desiliconization removal of impurities, zinc oxide ore flotation or potassium chloride and sodium chloride at oxide ores such as aluminum ore, iron ores.
The invention provides a kind of preparation method who is used as the organosilicon ammonium salt compound of cationic flotation collector, it is characterized in that, the organosilicon ammonium salt compound preparation process of described formula I is: fatty amine and organic halosilanes are reacted, 0～80 ℃ of reaction temperature, reaction time is 0.5～24 hour, generates suc as formula the ammonium salt compound of organosilicon shown in the I.
Described fatty amine have a general molecular formula shown in the formula II:
R wherein
1Be the alkyl of C8-C18, R
2And R
3Independently be selected from hydrogen atom, methyl or ethyl separately.
Described organic halosilanes have a general molecular formula shown in the formula III:
R wherein
4, R
5, R
6Independently be selected from methyl, methoxy or ethoxy separately, X is Cl or Br.
The cationic flotation collector of organosilicon ammonium salt of the present invention owing to introduced the organosilicon radical of strong-hydrophobicity on the basis of fatty amine structure, has the flotation performance more better than fatty amine.Table 1 has listed the trimethyl silicon based dodecyl chlorination of collecting agent of the present invention ammonium and has compared with the flotation performance of the collecting agent lauryl amine of using always to silicate minerals such as quartz, kaolinite, illite, pyrophillites, flotation conditions is a pH values of pulp 8.5, and collecting agent concentration is 300mgL
-1By table 1 as seen, the trimethyl silicon based dodecyl chlorination of collecting agent of the present invention ammonium obviously is better than the lauryl amine used always to the flotation recovery rate of quartz, kaolinite, illite and pyrophillite.In addition, collecting agent of the present invention also has good water solubility, is easy to add characteristics such as use.Product of the present invention is compared with the fatty amine collecting agent, has characteristics such as collecting ability is strong, selectivity is high, the mining amount of ton is low and easy to use.
Table 1 collecting agent of the present invention and fatty amine collecting agent flotation performance comparing result commonly used
[specific embodiment]
Following examples are intended to illustrate the present invention rather than limitation of the invention further.All percentages all refer to quality except as otherwise herein provided among the embodiment.
Embodiment 1:
185 parts of dodecyl amines are heated to 30-40 ℃ are fused into liquid, under agitation slowly add 108.6 parts of trim,ethylchlorosilanes, stirring reaction 30min obtains the 293.5 parts of trimethyl silicon based dodecyl chlorination of white powder product ammoniums.Products obtained therefrom need not to make with extra care, directly as flotation collector.
Embodiment 2:
185 parts of dodecyl amines are heated to 30-40 ℃ are fused into liquid, slowly add 140.6 parts of methyl dimethoxy oxygen base chlorosilanes by 1: 1 molar ratio, stirring reaction 50min obtains the 325 parts of silica-based dodecyl chlorination of white powder product methyl dimethoxy oxygen base ammoniums.Products obtained therefrom need not to make with extra care, directly as flotation collector.
Embodiment 3:
269 parts of octadecane amine are heated to 60 ℃ are fused into liquid, under agitation slowly add 108.6 parts of trimethylchloro-silicanes, stirring reaction 60min obtains 369.8 parts of trimethyl silicon based octadecyl ammonium chloride of white powder product.Products obtained therefrom need not to make with extra care, directly as flotation collector.
Embodiment 4:
Northeast magnetic iron ore ore, raw ore iron content 58.72%.The ore ore grinding accounts for 78% to-0.074mm, adds water and sizes mixing to 25% mass concentration, and adding sodium carbonate, to regulate slurry pH be about 9.0; Adopt twice selected reverse floatation process flow process of one roughing, roughly select and add soluble starch 260g/t, the trimethyl silicon based dodecyl chlorination of the collecting agent ammonium 220g/t of adding embodiment 1 preparation, selected adding collecting agent 25g/t, obtain iron concentrate grade 70.31%, iron recovery 83.52%.
Embodiment 5:
Henan bauxite sample ore, raw ore contains Al
2O
362.63%, SiO
210.68%, alumina silica ratio is 5.86; The ore ore grinding is accounted for 80% to-0.074mm, flotation pulp concentration 30%, adjusting pH values of pulp with sodium carbonate is 8.5; Adopt the reverse floatation process flow process of one roughing triple cleaning, roughly select adding soluble starch 300g/t, add the trimethyl silicon based dodecyl chlorination of the collecting agent ammonium 250g/t of embodiment 1 preparation, selected adding collecting agent 30g/t obtains Al
2O
368.85%, SiO
26.32% flotation concentrate, the concentrate alumina silica ratio reaches 10.89, Al
2O
3The rate of recovery 80.62%.
Embodiment 6:
The Yunnan zinc oxide ore, raw ore zinc grade is 9.70%.The ore ore grinding is accounted for 85% to-0.074mm, and flotation pulp concentration 30% adopts the direct floatation process flow process of one roughing primary cleaning once purging selection.Roughly select and add waterglass 400g/t, vulcanized sodium 3kg/t adds the silica-based dodecyl chlorination of the collecting agent methyl dimethoxy oxygen base ammonium 280g/t that embodiment 2 prepares, and scans to add collecting agent 50g/t, obtaining the zinc oxide concentrate grade is 36.28%, and zinc recovery is 78.45%.
Embodiment 7:
Qinghai salt mine, raw ore contain potassium chloride 7.84%, sodium chloride 73.56%.Regulating pulp density is 20%, adopts twice selected flotation process of one roughing.Roughly select the trimethyl silicon based octadecyl ammonium chloride 150g/t of collecting agent that adds embodiment 3 preparations, obtain concentrate and contain potassium chloride 92.07%, the potassium chloride rate of recovery is 91.71%.
Claims (3)
1. a cationic flotation collector is characterized in that, will be used as the collecting agent of oxide ore or saline minerals flotation suc as formula the organosilicon ammonium salt compound shown in the I,
R in the formula
1Be selected from the alkyl of C8-C18, R
2And R
3Independently be selected from hydrogen atom, methyl or ethyl separately; R
4, R
5, R
6Independently be selected from methyl, methoxy or ethoxy separately, X is Cl or Br.
2. cationic flotation collecting agent according to claim 1 is characterized in that, uses the compound shown in the formula I in the FLOTATION SEPARATION of Counterfloatating desiliconization removal of impurities, zinc oxide ore flotation or the potassium chloride and the sodium chloride of oxide ore; Described oxide ore comprises aluminum ore or iron ore.
3. the preparation method of the described organosilicon ammonium salt compound of claim 1 is characterized in that, fatty amine and organic halosilanes are reacted, and 0～80 ℃ of reaction temperature, the reaction time is 0.5～2 hour, generates suc as formula the ammonium salt compound of organosilicon shown in the I;
Described fatty amine has the structure shown in the formula II:
R wherein
1Be the alkyl of C8-C18, R
2And R
3Be respectively hydrogen atom, methyl or ethyl;
Described organic halosilanes has the structure shown in the formula III:
R wherein
4, R
5, R
6Be respectively methyl, methoxy or ethoxy, X is Cl or Br.
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Cited By (7)
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| CN103769307A (en) * | 2013-10-28 | 2014-05-07 | 东北大学 | Collecting agent for water-soluble cations, preparation method thereof and application thereof |
| CN104826743A (en) * | 2015-04-30 | 2015-08-12 | 陕西省地质矿产实验研究所 | Collecting agent for sorting zinc oxide ores and preparation method thereof |
| CN105435968A (en) * | 2015-12-24 | 2016-03-30 | 东北大学 | Reverse-flotation desiliconizing method for hematite ore |
| CN106733209A (en) * | 2015-11-19 | 2017-05-31 | 中钢集团马鞍山矿山研究院有限公司 | A kind of preparation method of microfine iron ore reverse flotation collecting agent |
| CN109569894A (en) * | 2018-12-11 | 2019-04-05 | 武汉理工大学 | Quaternary ammonium salt ionic liquid cation-collecting agent and its preparation method and application |
| US11014097B2 (en) | 2016-12-14 | 2021-05-25 | Ecolab Usa Inc. | Functionalized silicones for froth flotation |
| CN115957891A (en) * | 2022-08-30 | 2023-04-14 | 武汉工程大学 | Phosphogypsum flotation purification method |
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Cited By (8)
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| CN103769307A (en) * | 2013-10-28 | 2014-05-07 | 东北大学 | Collecting agent for water-soluble cations, preparation method thereof and application thereof |
| CN104826743A (en) * | 2015-04-30 | 2015-08-12 | 陕西省地质矿产实验研究所 | Collecting agent for sorting zinc oxide ores and preparation method thereof |
| CN104826743B (en) * | 2015-04-30 | 2017-09-29 | 陕西省地质矿产实验研究所 | Collecting agent for sorting zinc oxide ores and preparation method thereof |
| CN106733209A (en) * | 2015-11-19 | 2017-05-31 | 中钢集团马鞍山矿山研究院有限公司 | A kind of preparation method of microfine iron ore reverse flotation collecting agent |
| CN105435968A (en) * | 2015-12-24 | 2016-03-30 | 东北大学 | Reverse-flotation desiliconizing method for hematite ore |
| US11014097B2 (en) | 2016-12-14 | 2021-05-25 | Ecolab Usa Inc. | Functionalized silicones for froth flotation |
| CN109569894A (en) * | 2018-12-11 | 2019-04-05 | 武汉理工大学 | Quaternary ammonium salt ionic liquid cation-collecting agent and its preparation method and application |
| CN115957891A (en) * | 2022-08-30 | 2023-04-14 | 武汉工程大学 | Phosphogypsum flotation purification method |
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| CN102259062B (en) | 2013-03-20 |
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