CN103480497A - Combined collector for direct flotation of diasporic bauxite and using method thereof - Google Patents
Combined collector for direct flotation of diasporic bauxite and using method thereof Download PDFInfo
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- CN103480497A CN103480497A CN201310440859.XA CN201310440859A CN103480497A CN 103480497 A CN103480497 A CN 103480497A CN 201310440859 A CN201310440859 A CN 201310440859A CN 103480497 A CN103480497 A CN 103480497A
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- bauxite
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Abstract
The invention discloses a combined collector for direct flotation of diasporic bauxite and a using method thereof. The main components of the combined collector are plant oleic acid, naphthenic acid and saponification products of dodecyl ether phosphate; the dosage ratio of the vegetable oil acid, the naphthenic acid and the saponification product of the dodecyl ether phosphate is 1:1: 0.5. The using method comprises the following steps: when the bauxite direct flotation is carried out, the bauxite grinding product with the aluminum-silicon ratio of 3-5 has the granularity property of minus 0.074mm and accounts for 80-90%, the pH value of a flotation system is controlled to be 9-11, water glass or sodium hexametaphosphate is used as an inhibitor, the using amount is 60-80g/t, the combined collecting agent is used as a collecting agent, and the using amount is 800-. The invention can enhance the selectivity and the collecting capability of diasporic aluminum during the direct flotation of the bauxite, strengthen the dispersing and dissolving capability of the diasporic aluminum in ore pulp and improve the direct flotation effect of the bauxite.
Description
Technical field
The present invention relates to the Mineral Processing Engineering field, particularly a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation and using method thereof.
Background technology
China's bauxite resource belongs to diaspore type bauxite mostly, and wherein alumina silica ratio is greater than 7 high-quality bauxite ratio seldom, and the diaspore type bauxite alumina silica ratio more than 80% all is less than 7, and the bauxite of alumina silica ratio 3-5 accounts for the overwhelming majority.This part resource must be carried out desiliconization, enrichment and upgrading by beneficiation method, makes alumina silica ratio be greater than 7, thereby can meet the Minimum requirements of the popular lime-Bayer process of current China.Floatation is the main method of ore dressing and desiliconizing, and direct flotation is undoubtedly the most successful current a kind of bauxite floating method.During bauxite forward flotation according to the essential mineral compositing characteristic of diaspore type bauxite, adopt sodium carbonate as the pH values of pulp adjusting agent, adopt the inhibitor as aluminium silicate mineral such as waterglass, calgon, Quadrafos, adopt oxidized paraffin wax soap or enuatrol as collecting agent, diaspore in ore and rich intergrowth are selected, thereby realized the flotation desilication of bauxite.
In the bauxite forward flotation process, the effect of collecting agent is most important, the conventional collecting agents such as collecting agent enuatrol exist the shortcomings such as poor selectivity, the dispersing and dissolving performance is low, collecting ability is weak at present, and in industrial production, the foam produced due to oleic acid is difficult for froth breaking, foam volume is large, for production brings inconvenience.
Summary of the invention
In order to overcome above defect, strengthen the bauxite forward flotation collecting agent to diaspore selective and collecting ability, strengthen its dispersing and dissolving ability in ore pulp, improve the effect of bauxite forward flotation, the invention provides a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation and using method thereof.
For realizing above purpose, the technical solution adopted in the present invention is: a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation is characterized in that: the saponification resultant that main component is vegetable oil acid, aphthenic acids and dodecyl ether phosphate; The usage ratio of the saponification resultant of vegetable oil acid, aphthenic acids and dodecyl ether phosphate is 1:1:0.5.
A kind of using method of the combined capturing and collecting agent for the diaspore type bauxite direct flotation, it is characterized in that: while carrying out bauxite forward flotation, the bauxite Milling product granularity character of alumina silica ratio 3-5 accounts for 80-90% for-0.074mm grade, the pH value of flotation system is controlled at 9-11, using waterglass or calgon as inhibitor, consumption is 60-80g/t, usings combined capturing and collecting agent of the present invention as collecting agent, and consumption is 800-1200g/t.
The preferable amount of described a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation is 1000g/t.
The preferred pH value of described flotation system is 10.
The preferable amount of described inhibitor is 70g/t.
Compared with prior art, beneficial effect of the present invention is as follows: (1) using the present invention as collectors application in bauxite forward flotation technique, vegetable oil acid and aphthenic acids play the effect of main collecting agent, aphthenic acids also can effectively promote the solvability of vegetable oil acid simultaneously, and the dodecyl ether phosphate plays and improves collecting agent and optionally act on.
(2) three kinds of active ingredients in the present invention are by the efficient synergy of combination anion collecting agent, and effectively collecting diaspore and rich intergrowth thereof, obtain excellent floatation indicators.Diaspore type bauxite raw material for alumina silica ratio 3-5, can obtain Al
2o
3the concentrate product of rate of recovery 70-85%, the concentrate alumina silica ratio is greater than 7, and alumina silica ratio improves 3-5 than raw ore.
The specific embodiment
Example 1:
A kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation is characterized in that: the saponification resultant that main component is vegetable oil acid, aphthenic acids and dodecyl ether phosphate; The usage ratio of the saponification resultant of vegetable oil acid, aphthenic acids and dodecyl ether phosphate is 1:1:0.5.
For the bauxite in little Guan mining area, Henan, Al in raw ore
2o
3content is 59.08%, SiO
2content is 11.58%, and raw ore alumina silica ratio A/S is 5.10.The direct floatation process system is: bauxite Milling product granularity character accounts for 80-90% for-0.074mm grade, the pH value of flotation system is 10, usings combined capturing and collecting agent of the present invention as collecting agent, and consumption is 1000g/t, inhibitor calgon consumption is 70g/t, and result of the test is in Table 1.
Table 1 example 1 result of the test
Result of the test shows, adopts combined capturing and collecting agent of the present invention, has obtained excellent index, and the concentrate alumina silica ratio is 7.08, and the alumina recovery rate reaches 90.22%.
Example 2:
A kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation is characterized in that: the saponification resultant that main component is vegetable oil acid, aphthenic acids and dodecyl ether phosphate; The usage ratio of the saponification resultant of vegetable oil acid, aphthenic acids and dodecyl ether phosphate is 1:1:0.5.
For the bauxite of Henan bauxite factory, Al in raw ore
2o
3content is 56.34%, SiO
2content is 18.91%, and the raw ore alumina silica ratio is 2.98.The direct floatation process system is: bauxite Milling product granularity character accounts for 80-90% for-0.074mm grade, the pH value of flotation system is 9, usings combined capturing and collecting agent of the present invention as collecting agent, and consumption is 800g/t, inhibitor waterglass consumption is 60g/t, and result of the test is in Table 2.
Table 2 example 2 result of the tests
Result of the test shows, adopts combined capturing and collecting agent of the present invention, has obtained excellent index, and the concentrate alumina silica ratio is 7.72, and the alumina recovery rate reaches 70.56%.
Example 3:
A kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation is characterized in that: the saponification resultant that main component is vegetable oil acid, aphthenic acids and dodecyl ether phosphate; The usage ratio of the saponification resultant of vegetable oil acid, aphthenic acids and dodecyl ether phosphate is 1:1:0.5.
For the bauxite of Henan bauxite factory, Al in raw ore
2o
3content is 56.34%, SiO
2content is 18.91%, and the raw ore alumina silica ratio is 2.98.The direct floatation process system is: bauxite Milling product granularity character accounts for 80-90% for-0.074mm grade, the pH value of flotation system is 11, usings combined capturing and collecting agent of the present invention as collecting agent, and consumption is 1200g/t, inhibitor waterglass consumption is 80g/t, and result of the test is in Table 3.
Table 3 example 3 result of the tests
Result of the test shows, adopts combined capturing and collecting agent of the present invention, has obtained excellent index, and the concentrate alumina silica ratio is 7.95, and the alumina recovery rate reaches 73.86%.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise which key element, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises key element and also have other identical element.
Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.The above is only the preferred embodiment of the present invention, should be understood that, finiteness due to literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, retouching or variation, also above-mentioned technical characterictic can be combined by rights; These improve retouching, change or combination, or without improving, the design of invention and technical scheme are directly applied to other occasion, all should be considered as protection scope of the present invention.
Claims (5)
1. the combined capturing and collecting agent for the diaspore type bauxite direct flotation, is characterized in that: the saponification resultant that main component is vegetable oil acid, aphthenic acids and dodecyl ether phosphate; The usage ratio of the saponification resultant of vegetable oil acid, aphthenic acids and dodecyl ether phosphate is 1:1:0.5.
2. the using method for the combined capturing and collecting agent of diaspore type bauxite direct flotation, it is characterized in that: while carrying out bauxite forward flotation, the bauxite Milling product granularity character of alumina silica ratio 3-5 accounts for 80-90% for-0.074mm grade, the pH value of flotation system is controlled at 9-11, using waterglass or calgon as inhibitor, consumption is 60-80g/t, usings combined capturing and collecting agent of the present invention as collecting agent, and consumption is 800-1200g/t.
3. the using method of a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation according to claim 2, it is characterized in that: the preferable amount of described a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation is 1000g/t.
4. the using method of a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation according to claim 2, it is characterized in that: the preferred pH value of described flotation system is 10.
5. the using method of a kind of combined capturing and collecting agent for the diaspore type bauxite direct flotation according to claim 2, it is characterized in that: the preferable amount of described inhibitor is 70g/t.
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| CN201310440859.XA CN103480497B (en) | 2013-09-25 | 2013-09-25 | Combined collector for direct flotation of diasporic bauxite and using method thereof |
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Cited By (7)
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|---|---|---|---|---|
| CN104148191A (en) * | 2014-08-05 | 2014-11-19 | 中南大学 | Bauxite direct flotation composite collector and application method thereof |
| CN105170338A (en) * | 2015-08-28 | 2015-12-23 | 张好勇 | Non-sulfide mineral flotation collector, preparation method thereof and application thereof |
| CN105344493A (en) * | 2015-11-30 | 2016-02-24 | 中南大学 | Bauxite direct flotation collector |
| CN105344488A (en) * | 2015-11-19 | 2016-02-24 | 中国地质科学院郑州矿产综合利用研究所 | Novel inhibitor for aluminosilicate minerals and application method thereof |
| CN105344487A (en) * | 2015-11-19 | 2016-02-24 | 中国地质科学院郑州矿产综合利用研究所 | Regulator for bauxite direct flotation and using method thereof |
| CN105478243A (en) * | 2015-11-19 | 2016-04-13 | 中国地质科学院郑州矿产综合利用研究所 | Novel inhibitor for bauxite beneficiation and using method thereof |
| CN114522806A (en) * | 2022-02-24 | 2022-05-24 | 矿冶科技集团有限公司 | Composite flotation collector and application thereof, and scheelite flotation method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148191A (en) * | 2014-08-05 | 2014-11-19 | 中南大学 | Bauxite direct flotation composite collector and application method thereof |
| CN104148191B (en) * | 2014-08-05 | 2017-04-12 | 中南大学 | Bauxite direct flotation composite collector and application method thereof |
| CN105170338A (en) * | 2015-08-28 | 2015-12-23 | 张好勇 | Non-sulfide mineral flotation collector, preparation method thereof and application thereof |
| CN105344488A (en) * | 2015-11-19 | 2016-02-24 | 中国地质科学院郑州矿产综合利用研究所 | Novel inhibitor for aluminosilicate minerals and application method thereof |
| CN105344487A (en) * | 2015-11-19 | 2016-02-24 | 中国地质科学院郑州矿产综合利用研究所 | Regulator for bauxite direct flotation and using method thereof |
| CN105478243A (en) * | 2015-11-19 | 2016-04-13 | 中国地质科学院郑州矿产综合利用研究所 | Novel inhibitor for bauxite beneficiation and using method thereof |
| CN105344487B (en) * | 2015-11-19 | 2018-05-08 | 中国地质科学院郑州矿产综合利用研究所 | Regulator for bauxite direct flotation and using method thereof |
| CN105344493A (en) * | 2015-11-30 | 2016-02-24 | 中南大学 | Bauxite direct flotation collector |
| CN105344493B (en) * | 2015-11-30 | 2018-02-09 | 中南大学 | A kind of direct flotation collecting agent of bauxite |
| CN114522806A (en) * | 2022-02-24 | 2022-05-24 | 矿冶科技集团有限公司 | Composite flotation collector and application thereof, and scheelite flotation method |
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| CN103480497B (en) | 2015-04-29 |
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