CN103752416A - Zinc oxide mineral collector and use method thereof - Google Patents
Zinc oxide mineral collector and use method thereof Download PDFInfo
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- CN103752416A CN103752416A CN201410014684.0A CN201410014684A CN103752416A CN 103752416 A CN103752416 A CN 103752416A CN 201410014684 A CN201410014684 A CN 201410014684A CN 103752416 A CN103752416 A CN 103752416A
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- zinc oxide
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Abstract
The invention discloses zinc oxide mineral collector and application thereof in zinc oxide flotation. The zinc oxide mineral collector is 2-acetyl-3-oxo-dithio acid-alkyl ester (hereinafter referred to as GW). The invention also discloses a method using this collector. The method includes two steps of grinding and zinc oxide flotation, and zinc oxide concentrate is finally obtained after the zinc oxide flotation goes through 1 to 2 times of rough selection, 2 to 4 times of fine selection and 1 to 3 times of scavenging. Compared with the prior art, the zinc oxide mineral collector and beneficiation method thereof have the advantages of having high selection efficiency, effectively realizing the flotation of zinc oxide minerals and reducing dosage of sodium sulfide. Furthermore, technological process is easy and reliable, and operation and use are easy.
Description
Technical field
The present invention relates to a kind of flotation separation method of mineral, particularly a kind of method of Flotation of Zinc Oxide mineral.
Background technology
China's zinc ore resource is very abundant, has verified zinc reserves position at the forefront in the world.Yet along with the utilization of continually developing of mineral resources, easily select zinc sulphide ore fewer and feweri, therefore both at home and abroad the Research on Flotation of zinc oxide is more and more paid attention to.
Because ore properties is complicated, of a great variety, mineral composition is complicated, argillization is serious, soluble-salt content is high, the flotation of zinc oxide ore is a great problem of ore dressing field always, and domestic and international numerous scientific workers have carried out a large amount of research for this reason.
Zinc oxide ore dressing at present mainly adopts the flotation of sulfuration-amine method, the flotation of sulfuration-xanthate, aliphatic acid direct flotation, high-carbon long-chain SH base collecting agent flotation and other method for floating, these method for floating and zinc oxide ore in broken, grinding process, produce sludge number relevant, the first desliming of general employing flotation again when sludge amount is large, sludge amount hour is controlled floatation process by adding dispersant, so not only process structure is complicated, medicament kind is many and consumption is large, and the zinc oxide mineral rate of recovery is low, zinc oxide resource utilization is low.Adopt simultaneously traditional floatation reclaim zinc oxide ore can produce a large amount of containing zinc compared with high-grade mine tailing, not only cause the wasting of resources, permanent wind, Exposure to Sunlight, drench with rain etc., can cause the especially heavy metal pollution of water of environment.
Therefore, exploitation efficient oxidation zinc beneficiation reagent and technique are extremely urgent.
Summary of the invention
The object of the present invention is to provide a kind of zinc oxide mineral collecting agent and using method thereof, it can effectively reclaim zinc oxide mineral, can obtain good zinc oxide mineral processing index.
The present invention achieves the above object by the following technical solutions: a kind of collecting agent of zinc oxide mineral and using method thereof, using 2-acetyl group-3-oxo-bis-Thiobutyric acid-myristyl esters (GW) as the collecting agent of zinc oxide mineral, and specifically comprise the following steps:
(1) choose the raw ore that contains zinc oxide, ore is milled to mineral monomer and dissociates, obtain zinc oxide ore pulp;
(2) in the zinc oxide ore pulp of above-mentioned acquisition, add adjusting agent sodium carbonate and waterglass, regulate slurry pH to 8-11, then add vulcanized sodium, stir 3-6min, add afterwards inhibitor (CMC) sodium carboxymethylcellulose and calgon, stir 3-5min, finally add collecting agent GW and terpenic oil, stir 2-4min, carry out zinc oxide and roughly select, obtain respectively froth pulp (being zinc oxide rough concentrate) and bottom land product;
(3) the bottom land product obtaining to step (2) adds collecting agent GW and foaming agent terpenic oil, stirs 1-3min, scans operation, and scanning froth pulp is scavenger concentrate, and bottom land product is mine tailing, and scanning number of times is 2 times;
(4) the zinc oxide rough concentrate of above-mentioned acquisition is stirred to 1-3min, carry out blank selected operation, obtain respectively zinc oxide concentrate and chats, blank selected operation number of times is 3 times.
know-why of the present invention:
2-acetyl group-3-oxo-bis-Thiobutyric acid-Arrcostabs (GW) have β-diketone structure; when slurry pH is 8-10; in flotation system; β-diketone tautomerization is different is enol form; the zinc ion that H in-OH can produce with zinc oxide mineral surface exchanges and generates complex; thereby make zinc oxide mineral surface hydrophobicity, realize the flotation of zinc oxide.
the invention has the advantages that:
1. collecting agent of the present invention has strong selectivity collecting effect to zinc oxide, and not only consumption is few, flotation recovery rate is high, and in use procedure, amount of sodium sulfide is few.
2. simple, the easy operating of flowage structure of the present invention, can effectively improve zinc oxide resource utilization.
The specific embodiment
embodiment mono-
Yunnan zinc oxide ore, raw ore zinc grade 13.87% left and right, oxygenation efficiency is 85% left and right, main zinc mineral is smithsonite.
It is 86%-0.074mm that raw ore is milled to fineness, add adjusting agent sodium carbonate and waterglass, regulate slurry pH to 10 left and right, then add vulcanized sodium 1500g/t, stir 4min, add afterwards inhibitor (CMC) sodium carboxymethylcellulose 20g/t and calgon 300g/t, stir 3-5min, add afterwards collecting agent GW 200g/t and terpenic oil 60g/t, stir 2-4min, carry out zinc oxide and roughly select, obtain respectively froth pulp (being zinc oxide rough concentrate) and bottom land product.
The bottom land product of roughly selecting to zinc oxide adds collecting agent GW40g/t and foaming agent terpenic oil 10g/t, stirs 1-3min, scans operation, and scanning froth pulp is scavenger concentrate, and bottom land product is mine tailing, and scanning number of times is 2 times.
The zinc oxide rough concentrate of above-mentioned acquisition is stirred to 1-3min, carry out blank selected operation, obtain respectively zinc oxide concentrate and chats, blank selected operation number of times is 3 times.
The selected chats of scavenger concentrate and copper sulfide is sequentially back to last operation.
comparative example one
Comparative example flotation is all identical to ore deposit, test parameters and condition, and except zinc oxide is roughly selected, to scan collecting agent with zinc oxide be lauryl amine, and consumption is respectively 260 g/t, 50g/t, and it is 8000 g/t that zinc oxide is roughly selected amount of sodium sulfide.
The result of the test of embodiment mono-and comparative example one is in Table 1.
Table 1 embodiment mono-and comparative example one mineral processing index (%)
embodiment bis-
Certain zinc oxide ore, raw ore zinc grade 22.31% left and right, oxygenation efficiency is 93% left and right, main zinc mineral is smithsonite, also contains a small amount of zincblende and smithsonite.
It is 88.87%-0.074mm that raw ore is milled to fineness, add adjusting agent sodium carbonate and waterglass, regulate slurry pH to 9.5 left and right, then add vulcanized sodium 2000g/t, stir 4min, add afterwards inhibitor (CMC) sodium carboxymethylcellulose 30g/t and calgon 600g/t, stir 3-5min, add afterwards collecting agent GW 300g/t and terpenic oil 80g/t, stir 2-4min, carry out zinc oxide and roughly select, obtain respectively froth pulp (being zinc oxide rough concentrate) and bottom land product.
The bottom land product of roughly selecting to zinc oxide adds collecting agent GW60g/t and foaming agent terpenic oil 15g/t, stirs 1-3min, scans operation, and scanning froth pulp is scavenger concentrate, and bottom land product is mine tailing, and scanning number of times is 2 times.
The zinc oxide rough concentrate of above-mentioned acquisition is stirred to 1-3min, carry out blank selected operation, obtain respectively zinc oxide concentrate and chats, blank selected operation number of times is 3 times.
The selected chats of scavenger concentrate and copper sulfide is sequentially back to last operation.
comparative example two
Comparative example flotation is all identical to ore deposit, test parameters and condition, and except zinc oxide is roughly selected, to scan collecting agent with zinc oxide be mixed amine, and consumption is respectively 380 g/t, 75g/t, and it is 10000 g/t that zinc oxide is roughly selected amount of sodium sulfide.
The result of the test of embodiment bis-and comparative example two is in Table 2.
Table 2 embodiment bis-and comparative example two mineral processing indexs (%)
Claims (4)
1. the collecting agent of zinc oxide mineral and a using method thereof, is characterized in that, usings 2-acetyl group-3-oxo-bis-Thiobutyric acid-Arrcostabs (hereinafter to be referred as GW) as the collecting agent of zinc oxide mineral, specifically comprises the following steps:
(1) choose the raw ore that contains zinc oxide, ore ore grinding to mineral monomer is dissociated, obtain zinc oxide ore pulp;
(2) in the zinc oxide ore pulp of above-mentioned acquisition, add adjusting agent sodium carbonate and waterglass, regulate slurry pH to 8-11, then add vulcanized sodium sulfuration, add afterwards inhibitor (CMC) sodium carboxymethylcellulose and calgon, stir 3-5min, finally add collecting agent GW and terpenic oil, stir 2-4min, carry out zinc oxide and roughly select, obtain respectively froth pulp (being zinc oxide rough concentrate) and bottom land product;
(3) the bottom land product obtaining to step (2) adds collecting agent GW and terpenic oil, stirs 1-3min, scans operation, and scanning froth pulp is scavenger concentrate, and bottom land product is mine tailing;
(4) the zinc oxide rough concentrate of above-mentioned acquisition is stirred to 1-3min, carry out blank selected operation, obtain respectively zinc oxide concentrate and chats.
2. the collecting agent of a kind of zinc oxide mineral according to claim 1 and using method thereof, is characterized in that, the alkyl carbon chain length of collecting agent GW is 10-14.
3. the collecting agent of a kind of zinc oxide mineral according to claim 1 and using method thereof, is characterized in that, the described number of times of scanning operation of step (3) is 1-3 time, and the described selected operation number of times of blank of step (4) is 2-4 time.
4. the collecting agent of a kind of zinc oxide mineral according to claim 1 and using method thereof, is characterized in that, step (2) GW and terpenic oil consumption are respectively 120-320g/t and 20-80 g/t; Step (3) GW and terpenic oil consumption are respectively 20-100g/t and 0-40 g/t.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105935631A (en) * | 2016-04-13 | 2016-09-14 | 中国矿业大学 | Efficient desliming method for low-grade argillaceous zinc oxide ores |
| CN106111350A (en) * | 2016-06-30 | 2016-11-16 | 福州大学 | A kind of method for floating of zinc oxide ore |
| CN106540815A (en) * | 2016-11-09 | 2017-03-29 | 长春黄金研究院 | A kind of microfine zinc oxide ore beneficiation method |
| CN108889453A (en) * | 2018-04-28 | 2018-11-27 | 昆明理工大学 | A kind of combination medicament and its application method for zinc-containing ores flotation |
| CN109013049A (en) * | 2018-06-21 | 2018-12-18 | 中国恩菲工程技术有限公司 | The method for handling Pb-Zn deposits |
| CN110142144A (en) * | 2019-06-03 | 2019-08-20 | 云南金鼎锌业有限公司 | The method that low-grade difficulty selects Flotation of Zinc Oxide in oxysulphied lead-zinc ore tailings |
| CN111530638A (en) * | 2020-05-09 | 2020-08-14 | 昆明理工大学 | Method for deactivating, activating and flotation and recycling zinc sulfide ores in copper-lead flotation tailings |
| CN111530633A (en) * | 2020-04-27 | 2020-08-14 | 西部矿业股份有限公司 | Novel composite collecting agent for recovering zinc oxide from peat plaza lead zinc oxide ore, preparation method and application |
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| CN103301929A (en) * | 2013-03-29 | 2013-09-18 | 云南金鼎锌业有限公司 | Selective zinc oxide leaching and weak acidic zinc sulfide flotation smelting and selection combining process |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105935631A (en) * | 2016-04-13 | 2016-09-14 | 中国矿业大学 | Efficient desliming method for low-grade argillaceous zinc oxide ores |
| CN106111350A (en) * | 2016-06-30 | 2016-11-16 | 福州大学 | A kind of method for floating of zinc oxide ore |
| CN106540815A (en) * | 2016-11-09 | 2017-03-29 | 长春黄金研究院 | A kind of microfine zinc oxide ore beneficiation method |
| CN108889453A (en) * | 2018-04-28 | 2018-11-27 | 昆明理工大学 | A kind of combination medicament and its application method for zinc-containing ores flotation |
| CN109013049A (en) * | 2018-06-21 | 2018-12-18 | 中国恩菲工程技术有限公司 | The method for handling Pb-Zn deposits |
| CN110142144A (en) * | 2019-06-03 | 2019-08-20 | 云南金鼎锌业有限公司 | The method that low-grade difficulty selects Flotation of Zinc Oxide in oxysulphied lead-zinc ore tailings |
| CN111530633A (en) * | 2020-04-27 | 2020-08-14 | 西部矿业股份有限公司 | Novel composite collecting agent for recovering zinc oxide from peat plaza lead zinc oxide ore, preparation method and application |
| CN111530638A (en) * | 2020-05-09 | 2020-08-14 | 昆明理工大学 | Method for deactivating, activating and flotation and recycling zinc sulfide ores in copper-lead flotation tailings |
| CN111530638B (en) * | 2020-05-09 | 2021-04-16 | 昆明理工大学 | Method for deactivating, activating and flotation and recycling zinc sulfide ores in copper-lead flotation tailings |
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Application publication date: 20140430 |