CN103551255B - Molybdenum oxide ore flotation collecting agent and using method - Google Patents
Molybdenum oxide ore flotation collecting agent and using method Download PDFInfo
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 32
- 238000005188 flotation Methods 0.000 title claims abstract description 31
- 229910000476 molybdenum oxide Inorganic materials 0.000 title claims abstract description 24
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 title claims abstract description 24
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000008206 alpha-amino acids Nutrition 0.000 claims abstract description 9
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- OXVXWUDYARFPLN-UHFFFAOYSA-N ethylazanium;hydron;sulfate Chemical compound CC[NH3+].OS([O-])(=O)=O OXVXWUDYARFPLN-UHFFFAOYSA-N 0.000 claims description 6
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- 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 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
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- 235000015523 tannic acid Nutrition 0.000 claims description 2
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- 238000011084 recovery Methods 0.000 abstract description 8
- -1 Ethionine ester Chemical class 0.000 abstract description 2
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- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
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- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
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Abstract
The invention discloses a using method of a molybdenum oxide ore flotation collecting agent. The combined collecting agent comprises, by weight, 100-400 parts of alpha-amino acid, 20-80 parts of kerosene, and 10-40 parts of Ethionine ester. The using method of the collecting agent includes subjecting molybdenum sulfide flotation tailings containing molybdenum oxide to ore grinding until the tailings, of which the fineness reaches 0.074mm, takes up 75%-95%, using gravity selection for removing fine silt, subsequently adding an adjustment dispersing agent, an inhibitor, and the collecting agent for flotation to obtain molybdenum oxide ore concentration products. The molybdenum oxide ore combined collecting agent has the advantages of being good in selectivity, small in medicament dosage, and high in recovery rate.
Description
Technical field
The invention belongs to ore dressing field, particularly relate to a kind of combined capturing and collecting agent and using method thereof of flotation molybdenum oxide from molybdenum sulfide flotation tailing.
Background technology
Molybdenum is a kind of non-renewable Strategic Mineral Resources, and due to its distinctive performance, be widely used in the industries such as iron and steel, military project, space flight, electronics, along with socioeconomic development, the increasing resource reserve of demand of molybdenum sharply reduces.
Nature molybdenum mainly exists with the form of molybdenite sulfides, and molybdenum sulfide mineral adopt conventional flotation beneficiation flow process just can utilize preferably because its natural floatability is good.Other molybdenum then exists with the oxide ore form such as molybdenum calcium ore deposit, wulfenite, the oxide ore of molybdenum because of its washability poor, concentrate grade is low, the low and ore-dressing technique effective recycling that is difficult to by routine of the rate of recovery.
Molybdenum oxide resource reserve is few in the world, there is independent molybdenum oxide mineral deposit hardly, but the main Molybdenum Mining Area of China all exists a certain amount of molybdenum oxide ore, does not recycle because developing difficulty.The mineral processing index that mining industry research institute of the former Soviet Union has carried out sulphide ore, the bulk flotation experimental study of oxide ore obtains is molybdenum concentrate grade 7.8%, the rate of recovery 45.7%.A kind of molybdenum oxide ore ore-dressing technique disclosed in Chinese Academy of Geological Sciences's Zhengzhou mineral products comprehensive utilizating research, specifically carry out sediment sorting after the classification of sulfuration molybdenum ore flotation tailing, one or more of employing oleic acid, linoleic acid or oxidized paraffin wax soap do collecting agent, add emulsifying agent and carry out emulsification 2 ~ 8 hours, the rough concentrate obtained adopts Dinko Petrov method selected, obtain molybdenum oxide concentrate, changing technique, to roughly select the pharmacy effect time in stage long, energy consumption is high, and is only suitable for the Quartz Vein Type oxidizing molybdenum ore processing hydrotherm of middle temperature formation.Changsha Mining & Metallurgy Inst develops a kind of beneficiation method reclaiming oxidizing molybdenum ore from molybdenum sulfide flotation tailing, the method is first by the fine grinding of sulfide flotation mine tailing, gravity treatment desliming, adopt halogenation or alpha-sulfonated fatty acid flotation molybdenum oxide mineral, obtain molybdenum oxide rough concentrate molybdenum grade 6.16%, the rate of recovery 74.01%.
Summary of the invention
The object of the invention is to, for low, the ropy situation of the molybdenum oxide dressing product rate of recovery, propose a kind of oxidizing molybdenum ore combined capturing and collecting agent and using method, described combined capturing and collecting agent has selective good, and dosing is few, the feature that the rate of recovery is high.
One of technical scheme of the present invention is, described efficient oxidation molybdenum ore combined capturing and collecting agent is made up of following raw material: α-amino acid/11 00 ~ 400 part, kerosene 20 ~ 80 parts, ethyl ammonia sulfate 10 ~ 40 parts.
Further, preferably consisting of of above-mentioned efficient oxidation molybdenum ore combined capturing and collecting agent, the weight ratio composition of described α-amino acid, kerosene, emulsifying agent is, α-amino acid: kerosene: ethyl ammonia sulfate=5:1:0.5.
Two of technical scheme of the present invention is, applies the using method of above-mentioned efficient oxidation molybdenum ore combined capturing and collecting agent, comprises the following steps:
(1) tailing regrind: with sulfuration molybdenum ore flotation tailing for raw material, raw material is levigate further;
(2) desliming: as required gravity treatment desliming is carried out to the ore pulp after step (1) process;
(3) oxidizing molybdenum ore flotation: add adjustment dispersant in the ore pulp after above-mentioned steps (2), inhibitor, efficient oxidation molybdenum ore collecting agent, foaming agent carry out flotation oxidizing molybdenum ore, through roughly selecting, scan with selected after obtain molybdenum oxide concentrate.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (1), raw material is levigate further, preferably refer to and raw material grinding mill is accounted for 75 ~ 95% to fineness-0.074mm.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (2), gravity treatment desliming device adopts hydrocyclone, desliming bucket, concentrator or sloping plate grading machine, and described desliming device desliming rate is generally no more than 10%.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (3), described adjustment dispersant is sodium carbonate and waterglass, and consumption is by being adjusted to slurry pH to 8.5 ~ 10.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (3), described inhibitor is one or more the combination in calgon, starch, tannic acid, sodium carboxymethylcellulose, and consumption is add 40g ~ 200g in molybdenum sulfide flotation tailing per ton.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (3), described collecting agent is collecting agent described in one of technical scheme of the present invention, and consumption is add 40g ~ 200g in molybdenum sulfide flotation tailing per ton.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (3), described foaming agent is No. two oil or methyl isobutyl carbinol, and consumption is add 30g ~ 100g in molybdenum sulfide flotation tailing per ton.
Above-mentioned efficient oxidation molybdenum ore beneficiation method, in described step (3), described in roughly select, scan with selected number of times be respectively preferably 1 ~ 2 time, 2 ~ 4 times and 2 ~ 3 times.
In the present invention, the described combined capturing and collecting agent mechanism of action is: the amino in (1) α-amino acid and carboxyl participate in coordination, form the pi-conjugated chelate of p-, generate α-chelating amino acids molybdenum, comparatively firmly be adsorbed on the surface of molybdenum oxide mineral, molybdenum oxide mineral surface hydrophobicity is floated.(2) molybdenum oxide mineral surfaces physics inhomogeneities and be in drift angle, edge and its energy state of atom be in plane different, be conducive to combined capturing and collecting agent and play respective active site, improve the overall hydrophobicity of mineral, effective raising molybdenum oxide mineral mineral processing index.
The invention has the advantages that: due to the use of combined capturing and collecting agent, make molybdenum oxide flotation process simple, production cost is low, molybdenum sulfide flotation tailing can be made to obtain secondary recovery by ore-dressing technique of the present invention to utilize, not only be conducive to saving resource, and significant to the nervous situation alleviating Mineral Resources in China.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
Detailed description of the invention
embodiment 1
A method for floating for oxidizing molybdenum ore, comprises the following steps:
(1) ore grinding: be somewhere sulfuration molybdenum ore flotation tailing to ore deposit raw material, containing molybdenum 0.095%, the oxygenation efficiency more than 95% of molybdenum, mainly based on molybdenum calcium ore deposit.Mog reaches 85% for-0.074mm, molybdenum calcium ore deposit liberation degree of minerals 88%.
(2) desliming: carry out gravity treatment desliming to the ore pulp processed through step (1), the thin mud of 5.5% is deviate from gravity treatment.
(3) flotation of oxidizing molybdenum ore: add adjustment dispersant sodium carbonate and waterglass in above-mentioned steps (2) described ore pulp, consumption is respectively 1000g/t and 1500g/t, being adjusted to pH values of pulp is 9, add inhibitor calgon and sodium carboxymethylcellulose, consumption is respectively 120g/t and 60g/t, add described combined capturing and collecting agent again, consumption is respectively α-amino acid/11 60g/t, kerosene 32g/t, ethyl ammonia sulfate 16g/t, stir after 1 ~ 3 minute, add foaming agent No. two oil, consumption is 36g/t, oxidizing molybdenum ore is reclaimed in flotation, through one roughing, scan for twice and selectedly with four times obtain molybdenum oxide concentrate and molybdenum oxide flotation tailing, beneficiation test the results are shown in Table 1.
Table 1 embodiment 1 beneficiation test result
| Name of product | Productive rate | Molybdenum grade | Molybdenum recovery |
| Molybdenum oxide concentrate | 0.93 | 7.820 | 76.12 |
| Desliming mine tailing | 5.49 | 0.091 | 5.24 |
| Mine tailing | 93.58 | 0.019 | 18.64 |
| To ore deposit | 100.00 | 0.095 | 100.00 |
Claims (8)
1. a using method for oxidizing molybdenum ore combined capturing and collecting agent, oxidizing molybdenum ore combined capturing and collecting agent is made up of following raw material: α-amino acid/11 20 ~ 400 parts, kerosene 20 ~ 80 parts, ethyl ammonia sulfate 10 ~ 40 parts; It is characterized in that, the using method of this combined capturing and collecting agent comprises the following steps:
(1) tailing regrind: with the sulfuration molybdenum ore flotation tailing containing oxidizing molybdenum ore for raw material, raw material is levigate further;
(2) desliming: as required gravity treatment desliming is carried out to the ore pulp after step (1) process;
(3) oxidizing molybdenum ore flotation: add adjustment dispersant in the ore pulp after above-mentioned steps (2), inhibitor, combined capturing and collecting agent, foaming agent carry out flotation oxidizing molybdenum ore, through roughly selecting, scan with selected after obtain molybdenum oxide concentrate.
2. the using method of oxidizing molybdenum ore combined capturing and collecting agent according to claim 1, is characterized in that, the weight ratio composition of described α-amino acid, kerosene, ethyl ammonia sulfate is, α-amino acid: kerosene: ethyl ammonia sulfate=5:1:0.5.
3., according to the using method of the oxidizing molybdenum ore combined capturing and collecting agent described in claim 1, it is characterized in that, in described step (1), by raw material further levigate referring to raw material grinding mill is accounted for 75% ~ 95% to fineness-0.074mm.
4. according to the using method of the oxidizing molybdenum ore combined capturing and collecting agent described in claim 1, it is characterized in that, the desliming device that in described step (2), gravity treatment adopts is hydrocyclone, desliming bucket, concentrator or sloping plate grading machine, and the desliming rate of described desliming device is no more than 10%.
5. according to the using method of the oxidizing molybdenum ore combined capturing and collecting agent described in claim 1, it is characterized in that, described step (3) adjustment dispersant is sodium carbonate and waterglass, and the addition of described adjustment dispersant is for being adjusted to slurry pH 8.5 ~ 10.
6. according to the using method of the oxidizing molybdenum ore combined capturing and collecting agent described in claim 1, it is characterized in that, step (3) described inhibitor is one or more the combination in calgon, starch, tannic acid, sodium carboxymethylcellulose, and the consumption of described inhibitor adds 40g ~ 200g by molybdenum sulfide flotation tailing pulp per ton.
7. according to the using method of the oxidizing molybdenum ore combined capturing and collecting agent described in claim 1, it is characterized in that, step (3) described combined capturing and collecting agent consumption adds 140g ~ 520g by molybdenum sulfide flotation tailing pulp per ton.
8. according to the using method of the oxidizing molybdenum ore combined capturing and collecting agent described in claim 1, it is characterized in that, step (3) described foaming agent is No. two oil or methyl isobutyl carbinol, and consumption adds 30g ~ 100g by molybdenum sulfide flotation tailing pulp per ton.
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| CN105381870B (en) * | 2015-12-10 | 2018-07-10 | 中国地质科学院矿产综合利用研究所 | Beneficiation and enrichment method for molybdenum oxide ore |
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| CN107961903B (en) * | 2017-11-24 | 2019-07-16 | 昆明理工大学 | A kind of composite chemical for floatating of zinc oxide and its preparation method and application |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316797A (en) * | 1980-09-10 | 1982-02-23 | Phillips Petroleum Company | Flotation agent and process |
| CN102218376A (en) * | 2011-01-27 | 2011-10-19 | 湖南有色金属研究院 | Method for high-efficiency floatation and separation of molybdenum and nickel and recovery of molybdenum and nickel from high carbon nickel-molybdenum ore to obtain molybdenum concentrate and nickel-molybdenum bulk concentrate |
| CN102302981A (en) * | 2011-09-21 | 2012-01-04 | 紫金矿业集团股份有限公司 | Beneficiation reagent and method for separating copper-molybdenum mixed concentrates |
| CN103184334A (en) * | 2011-12-30 | 2013-07-03 | 北京有色金属研究总院 | Selection-smelting combined technology for treating mixed ore containing molybdenum, oxygen, sulfur and copper |
-
2013
- 2013-10-10 CN CN201310468433.5A patent/CN103551255B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316797A (en) * | 1980-09-10 | 1982-02-23 | Phillips Petroleum Company | Flotation agent and process |
| CN102218376A (en) * | 2011-01-27 | 2011-10-19 | 湖南有色金属研究院 | Method for high-efficiency floatation and separation of molybdenum and nickel and recovery of molybdenum and nickel from high carbon nickel-molybdenum ore to obtain molybdenum concentrate and nickel-molybdenum bulk concentrate |
| CN102302981A (en) * | 2011-09-21 | 2012-01-04 | 紫金矿业集团股份有限公司 | Beneficiation reagent and method for separating copper-molybdenum mixed concentrates |
| CN103184334A (en) * | 2011-12-30 | 2013-07-03 | 北京有色金属研究总院 | Selection-smelting combined technology for treating mixed ore containing molybdenum, oxygen, sulfur and copper |
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| CN103551255A (en) | 2014-02-05 |
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