CN102247935A - Ore dressing collector and preparation method thereof - Google Patents
Ore dressing collector and preparation method thereof Download PDFInfo
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- CN102247935A CN102247935A CN2011101225812A CN201110122581A CN102247935A CN 102247935 A CN102247935 A CN 102247935A CN 2011101225812 A CN2011101225812 A CN 2011101225812A CN 201110122581 A CN201110122581 A CN 201110122581A CN 102247935 A CN102247935 A CN 102247935A
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- electrolysis
- collecting agent
- ore dressing
- oleic acid
- preparation
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Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 20
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 20
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 20
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000005642 Oleic acid Substances 0.000 claims abstract description 20
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 20
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 230000004913 activation Effects 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 claims description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 239000012071 phase Substances 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 239000008346 aqueous phase Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000005191 phase separation Methods 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 4
- PGQAXGHQYGXVDC-UHFFFAOYSA-N dodecyl(dimethyl)azanium;chloride Chemical compound Cl.CCCCCCCCCCCCN(C)C PGQAXGHQYGXVDC-UHFFFAOYSA-N 0.000 claims description 4
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 claims description 4
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical group ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005188 flotation Methods 0.000 abstract description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract description 4
- 239000010436 fluorite Substances 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 abstract description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract description 2
- 239000010428 baryte Substances 0.000 abstract description 2
- 229910052601 baryte Inorganic materials 0.000 abstract description 2
- 229910052595 hematite Inorganic materials 0.000 abstract description 2
- 239000011019 hematite Substances 0.000 abstract description 2
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010443 kyanite Substances 0.000 abstract description 2
- 229910052850 kyanite Inorganic materials 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052721 tungsten Inorganic materials 0.000 abstract description 2
- 239000010937 tungsten Substances 0.000 abstract description 2
- 238000007385 chemical modification Methods 0.000 abstract 1
- 230000005592 electrolytic dissociation Effects 0.000 abstract 1
- UJKUJXVZLUTEAZ-UHFFFAOYSA-N n,n-dimethylformamide;dimethyl sulfate Chemical compound CN(C)C=O.COS(=O)(=O)OC UJKUJXVZLUTEAZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 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 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YZAZXIUFBCPZGB-QZOPMXJLSA-N (z)-octadec-9-enoic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O YZAZXIUFBCPZGB-QZOPMXJLSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses an ore dressing collector and a preparation method thereof. The ore dressing collector consists of the following raw materials in percentage by weight: 75 to 80 percent of oleic acid, 3 to 5 percent of surfactant, 5 to 7 percent of N,N-dimethylformamide-dimethyl sulfate, and 10 to 15 percent of chloride. The oleic acid is subjected to electrolytic dissociation and chemical modification by the steps of activation, electrolyzation, separation and introduction of an active group so as to form the ore dressing collector with high activity, dispersibility and selectivity. The ore dressing collector is particularly suitable for ore dressing of minerals such as non-metallic fluorite, kyanite, barite, metal white tungsten, hematite reverse flotation and the like, particularly the ore dressing at low temperature (more than or equal to 2 DEG C).
Description
Technical field:
The present invention relates to a kind of beneficiation collecting agent and preparation method thereof, particularly a kind of nonmetal fluorite, kyanite, barite of being used for, low temperature beneficiation collecting agent of mineral ore dressings such as the white tungsten of metal, hematite reverse flotation and preparation method thereof.
Background technology:
The collecting agent that present domestic nonmetal ore-dressing industry is used mainly is with the series products of oleic acid as primary raw material, oleic acid is a kind of important collecting agent of non-sulfide flotation, yet there is the not anti-hard water of poor selectivity in such collecting agent, poorly water-soluble is not low temperature resistant, the bad dispersibility consumption is big, shortcomings such as concentrate grade is low need ore pulp is carried out heat treated in ore dressing process, and power consumption is big; And lean ore is many, rich ore is few in the present mineral resources, and difficult ore dressing is many, easily ore dressing is few, for ore-dressing technique has increased difficulty; Domestic and international existing pertinent literature and patent are introduced product, all can not reach the requirement that northern area realizes not heating the ore pulp ore dressing winter; China Patent No. 200910021853.2 discloses a kind of collecting agent of flotation at low temperature fluorite, slurry temperature is 10 ℃ of normally flotation fluorites, and the long-term water temperature of northern area is below 10 ℃, thus northern area especially in the winter time ore dressing must heat ore pulp, production cost is big; These conditions make present ore dressing industry be badly in need of a kind of can the application and the effective collecting agent of collecting selectivity being lower than under 10 ℃ the cryogenic conditions.
Summary of the invention:
Purpose of the present invention be exactly to provide a kind of at present ore dressing industry, especially north cold area to the present situation of low temperature collecting agent active demand, can realize low temperature (〉=2 ℃) ore dressing and reach beneficiation collecting agent of ore dressing effect preferably and preparation method thereof.
The object of the present invention is achieved like this: a kind of beneficiation collecting agent, it is characterized in that it by following raw material by weight component form:
Oleic acid 75～80%, surfactant 3～5%, N, N-dimethylformamide-dimethyl suflfate 5～7%, chloride 10～15%.
Surfactant of the present invention comprises: a kind of or two or more in dodecyl sodium sulfate, sodium cetanesulfonate, DTAC, the two dodecyl dimethyl ammonium chloride.
Chloride of the present invention comprises: POCl
3, PCl
3, PCl
5In a kind of or two or more.
Preparation method of the present invention is:
1), activation: oleic acid and surfactant are mixed under 20～30 ℃ of conditions according to the above ratio;
2), electrolysis: the mixed liquor of the first step is added in the electrolysis of hydrochloric acid liquid of 1mol/L and carry out electrolysis, electrolysis temperature is 25～35 ℃, and anodic current density is 1000～1500A/m
2, electrolysis time 0.5～1.5h;
3), separate: the mixed liquor after electrolysis finishes imports in the separator, carries out oil phase and aqueous phase separation, obtains oil phase;
4), introduce active group: add N in oil phase according to the above ratio, N-dimethylformamide-dimethyl suflfate and chloride react 20～30min under 40～55 ℃ of heating conditions, and collecting agent gets product.
Electrolysis negative and positive the two poles of the earth material is respectively iron and graphite in the electrolysis step of the present invention.
The present invention activates the back with oleic acid oleic acid is carried out electrochemical modification, and molecular weight is diminished, and introduces active group, generates the new collector with high activity, polymolecularity, high selectivity.
The present invention compared with prior art has the following advantages:
Owing to adopted oleic acid, surfactant, N, N-dimethylformamide-dimethyl suflfate, chloride reacts by a certain percentage and forms, utilized activation, electrolysis, separate, introduce the step of active group, thereby, by the electrochemistry dissociation technique, destroy the macro-radical of oleic acid, and in the oleic acid macro-radical, introduce active group, active function groups, high polar group, make that the organic content of HMW descends in the oleic acid solutions after the modification, make the modified oil acid activity, dissolubility, dispersed, enhancings such as selectivity, thus can under the few condition of low temperature and consumption, obtain collecting effect preferably.
1. good dispersion, the intrinsic shortcoming of oleic acid is exactly that the bad dispersibility consumption is big, and the present invention has improved the dispersiveness of oleic acid greatly, makes the consumption of collecting agent be reduced to original 1/2～1/3.
2. good water solubility under the cryogenic conditions, the present invention has improved the water-soluble of collecting agent greatly, and it can be used under 〉=2 ℃ lower temperature, and ore dressing process need not ore pulp is carried out heat treated, can reduce beneficiation cost greatly, makes ore dressing enterprise realize energy-saving and emission-reduction.
3. selectivity is good, and the present invention has selectivity preferably, is used for ore dressing production and can improves product grade greatly, improves product recovery rate, is more suitable for the ore-dressing technique of lean ore, difficult ore dressing.
The specific embodiment:
Embodiment 1
With the product of the present invention of preparation 1000kg, get oleic acid 760kg, dodecyl sodium sulfate 20kg, sodium cetanesulfonate 30kg, N, N-dimethylformamide-dimethyl suflfate 55kg, POCl
365kg, PCl
370kg, its preparation method is:
1. oleic acid is poured in the stirred tank, slowly added dodecyl sodium sulfate and sodium cetanesulfonate, the limit edged stirs, and this step carries out under 20～30 ℃ of conditions;
2. the mixed liquor with previous step adds in the hydrochloric acid solution of 1mol/L, makes electrode with graphite, iron, and graphite is anode, and iron is negative electrode, and anodic current density is 1000A/m
2Condition under carry out electrolysis, electrolysis temperature is 35 ℃, electrolysis time 0.5h;
3. the mixed liquor after electrolysis finishes imports in the separator, carries out oil phase and aqueous phase separation, obtains oil phase;
4. add N in the oil phase that obtains, N-dimethylformamide-dimethyl suflfate and POCl
3, PCl
3, being warming up to 40 ℃, collecting agent gets product behind the reaction 30min.
Embodiment 2
With the product of the present invention of preparation 1000kg, get oleic acid 780kg, sodium cetanesulfonate 25kg, two dodecyl dimethyl ammonium chloride 20kg, N, N-dimethylformamide-dimethyl suflfate 50kg, PCl
3125kg, its preparation method is:
1. oleic acid is poured in the stirred tank, slowly added sodium cetanesulfonate and two dodecyl dimethyl ammonium chloride, the limit edged stirs, and this step carries out under 20～30 ℃ of conditions;
2. the mixed liquor with previous step adds in the hydrochloric acid solution of 1mol/L, makes electrode with graphite, iron, and graphite is anode, and iron is negative electrode, and anodic current density is 1200A/m
2Condition under carry out electrolysis, electrolysis temperature is 30 ℃, electrolysis time 1h;
3. the mixed liquor after electrolysis finishes imports in the separator, carries out oil phase and aqueous phase separation, obtains oil phase;
4. add N in the oil phase that obtains, N-dimethylformamide-dimethyl suflfate and PCl
3, being warming up to 50 ℃, collecting agent gets product behind the reaction 25min.
Embodiment 3
With the product of the present invention of preparation 1000kg, get oleic acid 780kg, DTAC 40kg, N, N-dimethylformamide-dimethyl suflfate 60kg, PCl
5120kg, its preparation method is:
1. oleic acid is poured in the stirred tank, slowly added DTAC, the limit edged stirs, and this step carries out under 20～30 ℃ of conditions;
2. the mixed liquor with previous step adds in the hydrochloric acid solution of 1mol/L, makes electrode with graphite, iron, and graphite is anode, and iron is negative electrode, and anodic current density is 1400A/m
2Condition under carry out electrolysis, electrolysis temperature is 25 ℃, electrolysis time 1.5h;
3. the mixed liquor after electrolysis finishes imports in the separator, carries out oil phase and aqueous phase separation, obtains oil phase;
4. add N in the oil phase that obtains, N-dimethylformamide-dimethyl suflfate and PCl
5, being warming up to 55 ℃, collecting agent gets product behind the reaction 20min.
Collecting agent operating position of the present invention, under 2 ℃ of conditions, flotation fluorite effect is as table
Table
By table as can be seen: under cryogenic conditions, the collecting agent of this patent invention can obtain the higher rate of recovery and high-quality product under the few situation of consumption.
Claims (5)
1. beneficiation collecting agent, it is characterized in that it by following raw material by weight component form:
Oleic acid 75～80%, surfactant 3～5%, N, N-dimethylformamide-dimethyl suflfate 5～7%, chloride 10～15%.
2. beneficiation collecting agent according to claim 1 is characterized in that described surfactant is a kind of or two or more in dodecyl sodium sulfate, sodium cetanesulfonate, DTAC, the two dodecyl dimethyl ammonium chloride.
3. beneficiation collecting agent according to claim 1 is characterized in that described chloride is POCl
3, PCl
3, PCl
5In one or more.
4. by the preparation method of a kind of beneficiation collecting agent described in the claim 1, it is characterized in that it is made up of following steps:
1), activation: oleic acid and surfactant are mixed under 20～30 ℃ of conditions according to the above ratio;
2), electrolysis: the mixed liquor of the first step is added in the electrolysis of hydrochloric acid liquid of 1mol/L and carry out electrolysis, anodic current density is 1000～1500A/m
2, electrolysis temperature is 25～35 ℃, electrolysis time 0.5～1.5h;
3), separate: the mixed liquor after electrolysis finishes imports in the separator, carries out oil phase and aqueous phase separation, obtains oil phase;
4), introduce active group: add N in oil phase according to the above ratio, N-dimethylformamide-dimethyl suflfate and chloride react 20～30min under 40～55 ℃ of heating conditions, and collecting agent gets product.
5. the preparation method of a kind of beneficiation collecting agent described in the claim 4 is characterized in that electrolysis negative and positive the two poles of the earth material is respectively iron and graphite in the described electrolysis step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110122581 CN102247935B (en) | 2011-05-13 | 2011-05-13 | Ore dressing collector and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110122581 CN102247935B (en) | 2011-05-13 | 2011-05-13 | Ore dressing collector and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102247935A true CN102247935A (en) | 2011-11-23 |
| CN102247935B CN102247935B (en) | 2013-03-20 |
Family
ID=44975714
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|---|---|---|---|
| CN 201110122581 Expired - Fee Related CN102247935B (en) | 2011-05-13 | 2011-05-13 | Ore dressing collector and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764700A (en) * | 2012-08-01 | 2012-11-07 | 中钢集团马鞍山矿山研究院有限公司 | Preparation method of low temperature resisting fluorite flotation collector |
| CN103639059A (en) * | 2013-12-11 | 2014-03-19 | 广西大学 | Beneficiation method for carbonic mud barite ore |
| CN104399592A (en) * | 2014-10-24 | 2015-03-11 | 广德县瑞龙新型材料有限公司 | Fluorite floatation process |
| CN104475268A (en) * | 2014-12-03 | 2015-04-01 | 紫金矿业集团股份有限公司 | Method for recycling alunite from copper ore flotation tailings |
| CN104941814A (en) * | 2015-05-06 | 2015-09-30 | 广西大学 | Preparation method of auxiliary collector for increasing recovery rate of gold and silver in tennantite |
| CN105457743A (en) * | 2015-11-16 | 2016-04-06 | 湖南有色金属研究院 | Beneficiation method of micro-fine particle graphite ores for producing high-carbon graphite |
| CN106378263A (en) * | 2016-09-27 | 2017-02-08 | 中国地质科学院郑州矿产综合利用研究所 | Low-alkali-consumption scheelite collecting agent and application thereof |
| CN107138288A (en) * | 2017-05-27 | 2017-09-08 | 洛阳振北工贸有限公司 | A kind of low temperature fluorite collecting agent |
| CN107350086A (en) * | 2017-07-06 | 2017-11-17 | 西南科技大学 | Combined capturing and collecting agent and preparation method and application for flotation olive pyroxenite type ilmenite |
| CN108855628A (en) * | 2018-06-01 | 2018-11-23 | 洛阳丰瑞氟业有限公司 | A kind of Fluorspar Powder production collecting agent preparation method |
| CN110015727A (en) * | 2019-05-09 | 2019-07-16 | 安徽工业大学 | A kind of method for electrolytic air flotation to remove microplastics in water body |
| CN111468306A (en) * | 2020-05-26 | 2020-07-31 | 河南天鸿选矿科技有限公司 | Fluorite ore flotation collecting agent |
| CN113245065A (en) * | 2021-06-09 | 2021-08-13 | 东北大学 | Micro-fine particle quartz reverse flotation combined collecting agent and reverse flotation method |
| CN114471954A (en) * | 2021-03-26 | 2022-05-13 | 中南大学 | Application of a kind of N-(2-oxahydrocarbyl)-β-carbonyl amide compound in fluorite flotation |
| CN115582224A (en) * | 2022-09-30 | 2023-01-10 | 昆明理工大学 | Flotation combined reagent and application thereof, and method for flotation desilication of micro-fine particle zinc oxide ore |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764700A (en) * | 2012-08-01 | 2012-11-07 | 中钢集团马鞍山矿山研究院有限公司 | Preparation method of low temperature resisting fluorite flotation collector |
| CN103639059A (en) * | 2013-12-11 | 2014-03-19 | 广西大学 | Beneficiation method for carbonic mud barite ore |
| CN104399592A (en) * | 2014-10-24 | 2015-03-11 | 广德县瑞龙新型材料有限公司 | Fluorite floatation process |
| CN104475268A (en) * | 2014-12-03 | 2015-04-01 | 紫金矿业集团股份有限公司 | Method for recycling alunite from copper ore flotation tailings |
| CN104941814A (en) * | 2015-05-06 | 2015-09-30 | 广西大学 | Preparation method of auxiliary collector for increasing recovery rate of gold and silver in tennantite |
| CN104941814B (en) * | 2015-05-06 | 2017-04-05 | 广西大学 | The preparation method of the supplementary catching agent of recovery of gold and silver in a kind of raising tennantite |
| CN105457743A (en) * | 2015-11-16 | 2016-04-06 | 湖南有色金属研究院 | Beneficiation method of micro-fine particle graphite ores for producing high-carbon graphite |
| CN106378263A (en) * | 2016-09-27 | 2017-02-08 | 中国地质科学院郑州矿产综合利用研究所 | Low-alkali-consumption scheelite collecting agent and application thereof |
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| CN115582224B (en) * | 2022-09-30 | 2024-05-28 | 昆明理工大学 | A flotation combination reagent and its application and a method for flotation desiliconization of fine-grained zinc oxide ore |
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