CN108889453A - A kind of combination medicament and its application method for zinc-containing ores flotation - Google Patents
A kind of combination medicament and its application method for zinc-containing ores flotation Download PDFInfo
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- CN108889453A CN108889453A CN201810400396.7A CN201810400396A CN108889453A CN 108889453 A CN108889453 A CN 108889453A CN 201810400396 A CN201810400396 A CN 201810400396A CN 108889453 A CN108889453 A CN 108889453A
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- Prior art keywords
- zinc
- flotation
- combination medicament
- containing ores
- medicament
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- 239000011701 zinc Substances 0.000 title claims abstract description 54
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 52
- 239000003814 drug Substances 0.000 title claims abstract description 34
- 238000005188 flotation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002253 acid Substances 0.000 claims abstract description 12
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical group CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims abstract description 12
- -1 palmityl glycine Chemical compound 0.000 claims abstract description 11
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Natural products NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004471 Glycine Substances 0.000 claims abstract description 10
- NEAQRZUHTPSBBM-UHFFFAOYSA-N 2-hydroxy-3,3-dimethyl-7-nitro-4h-isoquinolin-1-one Chemical compound C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(C)(C)CC2=C1 NEAQRZUHTPSBBM-UHFFFAOYSA-N 0.000 claims abstract description 9
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 11
- 239000012991 xanthate Substances 0.000 claims description 11
- 239000003112 inhibitor Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 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 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 7
- 239000011707 mineral Substances 0.000 abstract description 7
- 239000011787 zinc oxide Substances 0.000 abstract description 7
- 239000005083 Zinc sulfide Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004927 clay Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 229910020218 Pb—Zn Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009854 hydrometallurgy Methods 0.000 description 2
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-UHFFFAOYSA-N 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/002—Inorganic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/007—Modifying reagents for adjusting pH or conductivity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention discloses a kind of combination medicament and its application method for zinc-containing ores flotation, belongs to mineral floating pharmaceutical arts.Each raw material and its mass percent are hydroxamic acid in the combination medicament（Carbon chain lengths are C6~C8）5 ~ 40wt%, 10 ~ 50wt% of ethylenediamine, xanthate（Carbon chain lengths are C2~C5）10 ~ 60wt%, 5 ~ 40wt% of palmityl glycine.Medicament room temperature of the present invention is solvable, nontoxic, high-efficiency environment friendly；And the floatation indicators of zinc-containing ores can be improved, for conventional zinc oxide flotation collector, it is few with reagent consumption, cheap advantage, it does not need with zinc oxide separately to sort zinc sulphide on floatation process, the recycling that can be realized simultaneously zinc sulphide and zinc oxide ore has preferable flotation effect especially for the higher low-grade zinc oxide ore of clay content.
Description
Technical field
The present invention relates to a kind of combination medicaments and its application method for zinc-containing ores flotation, belong to mineral floating medicament
Field.
Background technique
Zinc is the important strategic nonferrous metal resource of country, and copper and aluminium, zinc energy are only second in the consumption of non-ferrous metal
The more excellent alloy of physical and chemical properties is made with various metals, it has comprehensive important work to the national economic development
With.It is shown according to the data that US Geological Survey counts, the zinc reserves that the world is verified are 1.8 hundred million tons, and zinc proved reserves are more than
There are Australia, China, Peru, Kazakhstan and the U.S. in 10000000 tons of country, the zinc resource storage that these countries are verified
Amount almost accounts for the sixty percent of global zinc resource reserves.China's zinc ore reserves account for the 18.3% of the skilful reserves in the world, account for the world and possess
The 19.2% of reserves occupies second place of the world, therefore the development and utilization of China's zinc resource has important role in the whole world.
The zinc metal reserves of zinc oxide ore have been verified at 80,000,000 tons or more by China, are concentrated mainly on Yunnan, Guangxi, the Liao Dynasty
Rather, the ground such as Gansu, Qinghai and Inner Mongol.Usual lead and zinc association form lead-zinc deposit, Yunnan Pb-Zn deposits resource reserve 2764.86
It ten thousand tons, ranks first in the country, also occupies the forefront in the world, at home and abroad there is in Mineral Market bigger advantage.It mainly divides
Cloth is in three " three rivers " area county Lan Ping, South-east of Yunnan and Northeast Yunnan, China areas.Blue level ground Jinding Lead-zinc Ore category oversized mineral deposit, verifies lead
1574.61 ten thousand tons of zinc reserves, big mineral zone 7；In addition there are all imperial tin zinc ores in Maguan, Gejiu tin symbiosis Pb-Zn deposits, Huize
Pb-Zn deposits etc..Yunnan Pb-Zn deposits have deposit type complete, rich reserves, put more distributions wide, reserves Relatively centralized and grade
Relatively leaner and have for characteristics such as the beneficial elements of comprehensive utilization, mineral deposit Zn content is greater than lead（Pb:Zn=1:2.5~3）, mineral deposit
In except altogether（Companion）Raw silver is outer, is often associated with the elements such as gold, copper, tin, germanium, cadmium, thallium.
So far, grown up recycle zinc dressing method it is very much, mainly have floatation, there are also gravity separation method, weight
Choosing-flotation combined process, flotation-hydrometallurgy combined process flow, gravity treatment-hydrometallurgy process, roasting-flotation combined process and selectivity
Flocfloatation etc..In this numerous method, due to various, floatation is mainly used.Currently, recycling zinc
Floatation process be diffeential floatation method, i.e., the sulphide ore easily selected is first selected, then select the technique of oxide ore, the main reason is that ore can
Buoyancy differs greatly, it is difficult to find suitable medicament and sulphide ore and oxide ore are carried out while being recycled.
Summary of the invention
The present invention provides a kind of combination for zinc-containing ores flotation for deficiency existing for existing zinc-containing ores flotation
Medicament is not needed sulphide ore and oxide ore separating flotation using the medicament, can be realized simultaneously zinc sulfide ore and zinc oxide ore
Flotation, flotation efficiency is high, and, down cloth granularity thinner zinc-containing ores higher particularly with clay content have preferable collecting effect
The grade and the rate of recovery of zinc concentrate can be improved in fruit.
To achieve the goals above, the invention is realized by the following technical scheme：
A kind of combination medicament for zinc-containing ores flotation, each raw material and its mass percent are in the combination medicament：Different hydroxyl oxime
5 ~ 40wt% of acid, 10 ~ 50wt% of ethylenediamine, 10 ~ 60wt% of xanthate, 5 ~ 40wt% of palmityl glycine.
The carbon chain lengths of hydroxamic acid of the present invention are C6~C8, the carbon chain lengths of xanthate are C2~C5。
The method that combination medicament of the present invention is used for Flotation Recovery Zinc, specially：First by zinc-containing ores raw ore ore grinding to-
0.074mm accounts for 50% ~ 95%, then adds pH regulator sodium carbonate 200g/t ~ 1500 g/t, gangue inhibitor calgon
The g/t of 500g/t ~ 2000 finally adds combination medicament 20g/t ~ 300 g/t.
Beneficial effects of the present invention：
（1）Combination medicament used in the present invention is hydroxamic acid, ethylenediamine, xanthate and palmityl glycine, is all conventional medicine
Agent is easy to get, cheap, and these types of medicament is mixed according to a certain percentage, and the interaction between medicament contains in flotation
Flotation effect is improved by synergistic effect when zinc ore；Meanwhile collecting ability can be remarkably reinforced for independent addition,
Reach raising floatation indicators, reduce the consumption of medicament, reduces the effect of production cost.
（2）When using combination medicament flotation zinc-containing ores of the present invention, zinc sulphide and zinc oxide can be carried out same
Shi Huishou does not need substep and carries out flotation, simple process, it is easy to accomplish.
（3）The zinc-containing ores that the combination medicament is high to clay content, grade is low, ore properties are complicated are imitated with preferable collecting
Fruit, selectivity is strong, and production cost is low.
Specific embodiment
Invention is further described in detail combined with specific embodiments below, but protection scope of the present invention is not limited to
The content.
Embodiment 1
The present embodiment is process object with the low-grade zinc-containing ores raw ore zinc grade 3.56% in Yunnan, and specific method is：Zinc will be contained
Ore raw ore ore grinding accounts for 50% to fineness -0.074mm, and each dosing is：PH regulator sodium carbonate 200g/t, gangue inhibitor
Calgon 500g/t, collecting agent xanthate 20g/t finally obtain zinc concentrate grade 21.86%, the rate of recovery by one roughing
61.38%。
Xanthate, dosage 20g/t, each raw material in the combination medicament are replaced as collecting agent using combination medicament of the present invention
And its mass percent is：Hydroxamic acid 5wt%, ethylenediamine 10wt%, xanthate 60wt%, palmityl glycine 25wt%, identical
Flotation conditions under, obtain zinc concentrate grade 26.65%, the rate of recovery 82.72%, concentrate grade and the rate of recovery have all obtained significantly
It improves.
Embodiment 2
The present embodiment is process object with the low-grade zinc-containing ores raw ore zinc grade 6.83% in Guangxi, and specific method is：Zinc will be contained
Ore raw ore ore grinding accounts for 75% to fineness -0.074mm, and each dosing is：PH regulator sodium carbonate 700g/t, gangue inhibitor
Calgon 1000g/t, collecting agent octyl hydroximic acid 150g/t, finally obtains zinc concentrate grade by one roughing
28.48%, the rate of recovery 65.38%.
Octyl hydroximic acid, dosage 150g/t, the combination medicament are replaced as collecting agent using combination medicament of the present invention
In each raw material and its mass percent be：Hydroxamic acid 20wt%, ethylenediamine 20wt%, xanthate 20wt%, palmityl glycine
40wt%；Under identical flotation conditions, zinc concentrate grade 34.65% is obtained, the rate of recovery 75.27%, floatation indicators significantly improve.
Embodiment 3
The present embodiment is process object with Guizhou zinc-containing ores raw ore zinc grade 9.56%, and specific method is：By zinc-containing ores original
Mine ore grinding accounts for 95% to fineness -0.074mm, and each dosing is：PH regulator sodium carbonate 1500g/t, the inclined phosphorus of gangue inhibitor six
Sour sodium 2000g/t, collecting agent palmityl glycine 300g/t, finally obtains zinc concentrate grade 26.42% by one roughing, returns
Yield 72.58%.
Palmityl glycine, dosage 300g/t, the combination are replaced as collecting agent using combination medicament of the present invention
Each raw material and its mass percent are in medicament：Hydroxamic acid 40wt%, ethylenediamine 45wt%, xanthate 10wt%, palmityl glycine
5wt%；Under identical flotation conditions, zinc concentrate grade 32.84% is obtained, the rate of recovery 81.52% obtains preferable flotation and refers to
Mark.
Embodiment 4
The present embodiment is process object with Guizhou zinc-containing ores raw ore zinc grade 7.34%, and specific method is：By zinc-containing ores original
Mine ore grinding accounts for 90% to fineness -0.074mm, and each dosing is：PH regulator sodium carbonate 1000g/t, the inclined phosphorus of gangue inhibitor six
Sour sodium 1500g/t, collecting agent lauryl amine 200g/t finally obtain zinc concentrate grade 26.42%, the rate of recovery by one roughing
70.46%。
Lauryl amine, dosage 200g/t, in the combination medicament are replaced as collecting agent using combination medicament of the present invention
Each raw material and its mass percent are：Hydroxamic acid 10wt%, ethylenediamine 50wt%, xanthate 20wt%, palmityl glycine 20wt%；
Under identical flotation conditions, zinc concentrate grade 33.20% is obtained, the rate of recovery 76.82% obtains better floatation indicators.
Claims (3)
1. a kind of combination medicament for zinc-containing ores flotation, it is characterised in that：Each raw material and its matter in the combination medicament
Amount percentage is 5 ~ 40wt% of hydroxamic acid, 10 ~ 50wt% of ethylenediamine, 10 ~ 60wt% of xanthate, 5 ~ 40wt% of palmityl glycine.
2. being used for the combination medicament of zinc-containing ores flotation according to claim 1, it is characterised in that：The carbon chain length of hydroxamic acid
Degree is C6~C8, the carbon chain lengths of xanthate are C2~C5。
3. the method that combination medicament described in claim 1 is used for Flotation Recovery Zinc, it is characterised in that：First zinc-containing ores raw ore is ground
Mine accounts for 50% ~ 95% to -0.074mm, then adds pH regulator sodium carbonate 200g/t ~ 1500 g/t, the inclined phosphorus of gangue inhibitor six
The sour g/t of sodium 500g/t ~ 2000 finally adds combination medicament 20g/t ~ 300 g/t.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400396.7A CN108889453A (en) | 2018-04-28 | 2018-04-28 | A kind of combination medicament and its application method for zinc-containing ores flotation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400396.7A CN108889453A (en) | 2018-04-28 | 2018-04-28 | A kind of combination medicament and its application method for zinc-containing ores flotation |
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| CN108889453A true CN108889453A (en) | 2018-11-27 |
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| CN201810400396.7A Pending CN108889453A (en) | 2018-04-28 | 2018-04-28 | A kind of combination medicament and its application method for zinc-containing ores flotation |
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| CN112237998A (en) * | 2020-10-09 | 2021-01-19 | 昆明理工大学 | Anion-cation collecting agent for tin separation and preparation method and application thereof |
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| WO2020212592A1 (en) | 2019-04-19 | 2020-10-22 | Nouryon Chemicals International B.V. | Collector compositions containing a n-acylated amino acid and process to treat non-sulfidic ores |
| CN112237998A (en) * | 2020-10-09 | 2021-01-19 | 昆明理工大学 | Anion-cation collecting agent for tin separation and preparation method and application thereof |
| CN112237998B (en) * | 2020-10-09 | 2021-10-22 | 昆明理工大学 | Anion-cation collecting agent for tin separation and preparation method and application thereof |
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Application publication date: 20181127 |