CN102806149A - Collecting agent for low-grade refractory gold ores - Google Patents
Collecting agent for low-grade refractory gold ores Download PDFInfo
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- CN102806149A CN102806149A CN2012102746120A CN201210274612A CN102806149A CN 102806149 A CN102806149 A CN 102806149A CN 2012102746120 A CN2012102746120 A CN 2012102746120A CN 201210274612 A CN201210274612 A CN 201210274612A CN 102806149 A CN102806149 A CN 102806149A
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Abstract
A low-grade refractory gold ore collecting agent is composed of the following materials in parts by weight: 45-55 parts of azonitrile ester, 30-40 parts of alkyl xanthate propionitrile ester and 10-15 parts of ammonium nitrate black drug (liquid). The collecting agent has the dual attributes of collecting and foaming, is good in selectivity and strong in collecting capacity, can effectively improve the grade and the recovery rate of concentrate within the range of pH value of 8-8.5, and is a high-efficiency collecting agent for low-grade refractory gold ores.
Description
Technical field
The present invention relates to the floating agent of gold mine, particularly be directed against a kind of low-grade refractory gold ore collecting agent of low-grade refractory gold ore.
Background technology
World today's metal demand constantly increases, and mineral resources dilution day by day.The rare precious metal price constantly rises violently; The factory that selects that some barghs and scale are less all not hopes changing under original mineral processing circuit condition; Seek the efficient beneficiation reagent that selectivity is strong, efficiency is good; Strengthen the ore dressing process of gold mine, strengthen economic benefit of enterprises and social benefit to greatest extent.
Along with the minimizing day by day of the gold ore resource of Yi Xuanye, difficulty selects the gold ore of smelting to become the important golden resource of putting forward.Occurrence status and the mineral structure of gold composition is to cause the unmanageable the underlying cause of ore in the ore.In recent years, obtained bigger progress in research, exploitation and the application novel, that efficiently reach the combined flotation medicament carried out around improving gold recovery.Research and application facet at the new high-efficiency medicament are the most outstanding with improved chemical especially.The medicament modification comprises: in existing medicament, introduce and can improve and strengthen medicament and mineral show interactional other active group; Developing individual water-soluble huge legendary turtle closes or the complexing medicament; Selection has two kinds and the combination of various medicaments of different activities and function, and mixed reagent.At present gold mineral there be the puratized agricultural spray black powder is arranged, catching floating agents such as Jin Ling, Y-89, M16, QF of better concentration effect.But for the low grade gold ore flotation of carbon containing high-sulfur, because gold utensil has close and distant property, normal and sulfide symbiosis, and be wrapped in gangue mineral and other mineral with the microfine form, the gold mineral of part particulate is difficult to fully dissociated and loses; Have part carbonaceous thing to exist in the ore, be difficult for removing, adsorpting formulation in ore dressing process influences the collecting of medicament to gold mineral, causes the to a certain degree loss of amount of metal; In existing floating agent, be difficult to find a kind of high-efficient collecting agent that is fit to this ore character.Above-mentioned reason causes actual ore dressing effect unsatisfactory, and the Gold Concentrate under Normal Pressure grade and the rate of recovery are on the low side, cause the waste of mining deposits, brings loss for enterprise and society.
Summary of the invention
Technical problem to be solved by this invention is to avoid the deficiency of prior art, and a kind of have collecting and foaming double attribute are provided, and selectivity is good, the efficient gold mine collecting agent that collecting ability is strong.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is:
A kind of low-grade refractory gold ore collecting agent, form by the raw material of following weight portion:
45-55 parts of sulphur nitrogen nitrile esters
30-40 parts of alkyl xanthogenic acid propionitrile esters
10-15 parts of liquid butyl ammonium aerofloats
In above-mentioned collector composition, preferred weight part of sulphur nitrogen nitrile ester is 50 parts, and preferred weight part of alkyl xanthogenic acid propionitrile ester is 35 parts, and preferred weight part of liquid butyl ammonium aerofloat is 15 parts.
Said alkyl xanthogenic acid propionitrile ester is normal-butyl xanthic acid propionitrile ester or isobutyl group xanthic acid propionitrile ester.
Described a kind of low-grade refractory gold ore collecting agent is prepared by following method:
At normal temperatures and pressures, with sulphur nitrogen nitrile ester, alkyl xanthogenic acid propionitrile ester and liquid butyl ammonium aerofloat, liquid butyl ammonium aerofloat active constituent content is 50%; Add in the stirred tank by above-mentioned weight portion, stirred 30 minutes, in stirred tank, add sodium chloride by the part by weight of butyl ammonium aerofloat liquid: sodium chloride=10:1.5 again and dewater; Mixed under the room temperature 20 to 30 minutes; After leaving standstill 12 hours, the aqueous solution after the layering is removed, promptly get said efficient gold mine collecting agent.
In above-mentioned collector composition, the general formula of alkyl xanthogenic acid propionitrile ester is:
In the formula: R is the alkyl of C3-C8
It has good selectivity, and the effective collecting agent mainly as sulphide ores such as native copper, gold and copper, lead, zinc, molybdenum ores has faint foaming characteristic, and it mixes use with water miscible collecting agent, can improve separating effect; Sulphur nitrogen nitrile ester is a kind of sulfide mineral collector, has frothing capacity concurrently, is mainly used in sulphide ore, multi-metal sulfide stone and the flotation of association gold and silver such as copper, nickel; Butyl ammonium aerofloat has selectivity and foaming characteristic preferably, can be under lower pH value condition, and floating gold, floating copper or floating plumbous.The combination of these components of alkyl xanthogenic acid propionitrile ester and the above-mentioned weight portion scope of each component can be given full play to the cooperative effect of each component, and selectivity is good, and collecting ability is strong, in pH value 8～8.5 scopes, can effectively improve the concentrate grade and the rate of recovery of gold mineral.
The specific embodiment
Below principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
In following examples, just the weight portion of raw material changes, and the method for preparing said collecting agent is constant.Parts by weight of raw materials changes the influence to mineral processing index among the different embodiment in order to describe more intuitively; Select for use single gold ore to carry out beneficiation test under the same conditions; List the comparison of test results of the golden rough concentrate mineral processing index after the collectors application of the present invention respectively; Performance through the synthetic collecting agent of the variation reflection different material weight portion of golden rough concentrate mineral processing index: the productive rate of golden rough concentrate is big, explains that said collecting agent collecting performance is strong; The gold rough concentrate is of high grade, explains that the selection performance of collecting agent is strong.Result of the test is seen table 1.
Under identical technological process, dosing and test period condition, list the commercial test results contrast of on-the-spot medicament and medicament of the present invention.Comparative test result shows, under the suitable situation of head grade, compares with on-the-spot medicament scheme, adopts medicament of the present invention, and the Gold Concentrate under Normal Pressure grade has improved 1.08g/t, and the rate of recovery has improved 2.70%, and gold grade has reduced 0.022g/t in the mine tailing.Result of the test is seen table 2.
Embodiment 1:
Add in the stirred tank by raw material that provides in the following table 1 and weight; Stirred 30 minutes, and pressed the part by weight of butyl ammonium aerofloat liquid: sodium chloride=10:1.5 again, the sodium chloride that in stirred tank, adds 1.5 kilograms carries out processed; Mixed under the room temperature 30 minutes; After leaving standstill 12 hours, the aqueous solution after the layering is removed, promptly get collector composition of the present invention.With this collecting agent gold ore is carried out beneficiation test then, in table 1, listed test result.
Embodiment 2:
Add in the stirred tank by raw material that provides in the table 1 and weight, stirred 30 minutes, the sodium chloride that in stirred tank, adds 1.8 kilograms carries out processed; Mixed under the room temperature 20 minutes; After leaving standstill 12 hours, the aqueous solution after the layering is removed, promptly get collector composition of the present invention.With this collecting agent gold ore is carried out beneficiation test then, in table 1, listed test result.
Embodiment 3:
Add in the stirred tank by raw material that provides in the table 1 and weight, stirred 30 minutes, the sodium chloride that in stirred tank, adds 2.25 kilograms carries out processed; Mixed under the room temperature 25 minutes; After leaving standstill 12 hours, the aqueous solution after the layering is removed, promptly get collector composition of the present invention.With this collecting agent gold ore is carried out beneficiation test then, in table 1, listed test result.
Embodiment 4:
Add in the stirred tank by raw material that provides in the table 1 and concrete weight, stirred 30 minutes, the sodium chloride that in stirred tank, adds 2.25 kilograms carries out processed; Mixed under the room temperature 30 minutes; After leaving standstill 12 hours, the aqueous solution after the layering is removed, promptly get collector composition of the present invention.With this collecting agent gold ore is carried out beneficiation test then, in table 1, listed test result.
Embodiment 5:
Add in the stirred tank by raw material that provides in the table 1 and concrete weight, stirred 30 minutes, the sodium chloride that in stirred tank, adds 1.5 kilograms carries out processed; Mixed under the room temperature 28 minutes; After leaving standstill 12 hours, the aqueous solution after the layering is removed, promptly get collector composition of the present invention.With this collecting agent gold ore is carried out beneficiation test then, in table 1, listed test result.
The test data explanation of each embodiment from following table; This collecting agent can effectively improve the sorting index of purpose mineral; Significantly improve the comprehensive utilization ratio of rare precious metal mineral resources; Reduce reagent consumption simultaneously, alleviate the pollution of medicament, finally obtain good economy and environment comprehensive benefit environment.
Table 1: collecting agent embodiment of the present invention and powder performance result of the test
Table 2: commercial test results contrast
Annotate: what medicament of the present invention adopted is optimum weight part proportioning, 50 parts of sulphur nitrogen nitrile esters, 35 parts of alkyl xanthogenic acid propionitrile esters, 15 parts of liquid butylamine black powder.
The above is merely preferred embodiment of the present invention, in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is not equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. low-grade refractory gold ore collecting agent, it is characterized in that: the raw material by following weight portion is formed:
45-55 parts of sulphur nitrogen nitrile esters
30-40 parts of alkyl xanthogenic acid propionitrile esters
10-15 parts of liquid butyl ammonium aerofloats.
2. a kind of low-grade refractory gold ore collecting agent according to claim 1, it is characterized in that: the weight portion proportioning of said raw material is:
50 parts of sulphur nitrogen nitrile esters
35 parts of alkyl xanthogenic acid propionitrile esters
15 parts of liquid butyl ammonium aerofloats.
3. a kind of low-grade refractory gold ore collecting agent according to claim 1 and 2 is characterized in that said alkyl xanthogenic acid propionitrile ester is a kind of of normal-butyl xanthic acid propionitrile ester or isobutyl group xanthic acid propionitrile ester.
4. a kind of low-grade refractory gold ore collecting agent according to claim 1 and 2 is characterized in that being prepared from following method:
At normal temperatures and pressures, be 50% liquid butyl ammonium aerofloat with sulphur nitrogen nitrile ester, alkyl xanthogenic acid propionitrile ester and active constituent content, add in the stirred tank by above-mentioned weight portion; Stirred 30 minutes; In in stirred tank, add sodium chloride by the part by weight of butyl ammonium aerofloat liquid: sodium chloride=10:1.5 again and dewater, mixed under the room temperature 20 to 30 minutes, leave standstill 12 hours after; The aqueous solution after the layering is removed, promptly get said efficient gold mine collecting agent.
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| CN2012102746120A CN102806149A (en) | 2012-08-03 | 2012-08-03 | Collecting agent for low-grade refractory gold ores |
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| CN2012102746120A CN102806149A (en) | 2012-08-03 | 2012-08-03 | Collecting agent for low-grade refractory gold ores |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350036A (en) * | 2013-06-29 | 2013-10-16 | 西北矿冶研究院 | Collecting agent for refractory gold ores |
| CN103657871A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for separating gold from auriferous sphalerite and preparation method for collecting agent |
| CN103657872A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Gold ore collecting agent with high recovery rate and preparation method of gold ore collecting agent |
| CN103657864A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Refractory gold ore collecting agent and preparation method thereof |
| CN103657865A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for low-grade gold ores and method for manufacturing collecting agent |
| CN103657866A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Gold ore collecting agent and preparation method thereof |
| CN103657870A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for separating gold from auriferous pyrite and preparation method for collecting agent |
| CN103657868A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for separating gold from high-arsenic type gold ores and preparation method for collecting agent |
| CN104841564A (en) * | 2015-05-15 | 2015-08-19 | 西北矿冶研究院 | Lead-silver residue flotation combined collecting agent and application process thereof |
| CN111054524A (en) * | 2019-12-30 | 2020-04-24 | 北京矿冶科技集团有限公司 | Gold flotation auxiliary collecting agent and flotation method thereof |
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| GB2267852A (en) * | 1992-06-09 | 1993-12-22 | American Cyanamid Co | Improved metals recovery by flotation |
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| GB2267852A (en) * | 1992-06-09 | 1993-12-22 | American Cyanamid Co | Improved metals recovery by flotation |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350036A (en) * | 2013-06-29 | 2013-10-16 | 西北矿冶研究院 | Collecting agent for refractory gold ores |
| CN103350036B (en) * | 2013-06-29 | 2015-04-22 | 西北矿冶研究院 | Collecting agent for refractory gold ores |
| CN103657865A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for low-grade gold ores and method for manufacturing collecting agent |
| CN103657865B (en) * | 2013-12-03 | 2016-01-13 | 安徽朝山新材料股份有限公司 | A kind of low-grade gold collecting agent and preparation method thereof |
| CN103657872A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Gold ore collecting agent with high recovery rate and preparation method of gold ore collecting agent |
| CN103657866A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Gold ore collecting agent and preparation method thereof |
| CN103657870A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for separating gold from auriferous pyrite and preparation method for collecting agent |
| CN103657868A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for separating gold from high-arsenic type gold ores and preparation method for collecting agent |
| CN103657871A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Collecting agent for separating gold from auriferous sphalerite and preparation method for collecting agent |
| CN103657870B (en) * | 2013-12-03 | 2016-02-10 | 安徽朝山新材料股份有限公司 | A kind of auriferous pyrite capture reagent for gold and preparation method thereof |
| CN103657866B (en) * | 2013-12-03 | 2016-01-13 | 安徽朝山新材料股份有限公司 | A kind of gold mine collecting agent and preparation method thereof |
| CN103657864A (en) * | 2013-12-03 | 2014-03-26 | 安徽朝山新材料股份有限公司 | Refractory gold ore collecting agent and preparation method thereof |
| CN103657864B (en) * | 2013-12-03 | 2016-01-13 | 安徽朝山新材料股份有限公司 | A kind of refractory gold ore collecting agent and preparation method thereof |
| CN103657868B (en) * | 2013-12-03 | 2016-01-13 | 安徽朝山新材料股份有限公司 | A kind of high arsenic type gold mine choosing gold collecting agent and preparation method thereof |
| CN103657872B (en) * | 2013-12-03 | 2016-01-13 | 安徽朝山新材料股份有限公司 | A kind of high-recovery gold mine collecting agent and preparation method thereof |
| CN103657871B (en) * | 2013-12-03 | 2016-01-13 | 安徽朝山新材料股份有限公司 | A kind of containing golden zincblende capture reagent for gold and preparation method thereof |
| CN104841564A (en) * | 2015-05-15 | 2015-08-19 | 西北矿冶研究院 | Lead-silver residue flotation combined collecting agent and application process thereof |
| CN111054524A (en) * | 2019-12-30 | 2020-04-24 | 北京矿冶科技集团有限公司 | Gold flotation auxiliary collecting agent and flotation method thereof |
| CN111054524B (en) * | 2019-12-30 | 2023-11-24 | 北京矿冶科技集团有限公司 | Gold flotation auxiliary collector and flotation method thereof |
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Application publication date: 20121205 |