CN1114920A - Kalin-type suction flotation method for gold ore - Google Patents
Kalin-type suction flotation method for gold ore Download PDFInfo
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- CN1114920A CN1114920A CN 94108438 CN94108438A CN1114920A CN 1114920 A CN1114920 A CN 1114920A CN 94108438 CN94108438 CN 94108438 CN 94108438 A CN94108438 A CN 94108438A CN 1114920 A CN1114920 A CN 1114920A
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Abstract
The gethering flotation method for kalin-type gold ore features that special flotation chemical including exfoliating agent, gathering agent, capturing agent and flocculant is used in coare separation and scavenger processes to obtain 83% of recovery rate (about 22g/T or more for ore concentrate). Its sizing target high and stable, and safety.
Description
The invention belongs to the improvement of gold mine ore-dressing technique.
Card crop type gold mine, it is the gold mine of microfine type, rusty gold in this type gold mine, be dispersed among sulfide mineral and the clay mineral with the submicroscopic state, and contain objectionable impurities such as the arsenic of some and carbon, the difficulty that its beneficiation enrichment and smelting are reclaimed is very big, is a kind of typical unmanageable gold mine.This class gold mine is as adopting raw ore roasting direct-extraction of gold by cyanidation commonly used, because head grade is not high.Generally need the roasting secondary just even, and mustard gold easy factor such as loss when whole ore roasting, be difficult to application on producing.The method that is conducting a research at present---roasting---cyaniding that is flotation, the essence of this method is, raw ore improves gold grade by flotation, only Gold Concentrate under Normal Pressure is carried out roasting---cyanidation gold-extracted, this is a kind of efficient height, the practical art scheme that cost is low, the key of this technology success or not is a mineral processing index, although a lot of scientific and technical personnel have made a large amount of experimental studies to the method for floating of card crop type gold mine, but all there is not to break through the circle of " conventional floatation ", it promptly is the flotation problem that solves " invisible rusty gold " with the way of flotation " visible rusty gold ", to the end of the year 1991, the flotation experimental results of the card crop type gold mine that " gold " periodical is formally delivered is: when head grade is 3.91g/T, the about 9.18g/T of Gold Concentrate under Normal Pressure grade, productive rate is about 37%, the Gold Concentrate under Normal Pressure rate of recovery about 87%, tailings grade 0.81g/T is difficult to reach industrial requirement
The objective of the invention is to propose a kind ofly can improve the concentrate grade index greatly, process safety is reliable, and separation index is high and stable, be applicable to low grade gold ore, low-gradely contain golden mine tailing, the flotation new method of especially blocking the crop type gold mine makes it to use in production reality effectively.
Technical scheme of the present invention is to inhale poly-new flotation technique, and its ore dressing process may further comprise the steps:
1, earlier that mineral are levigate to 85% less than 200 orders;
2, will grind good mineral and carry out the desliming operation earlier,
3, the mineral adding flotation device system after desliming is carried out flotation operation, floatation process generally need be scanned through the one roughing secondary, all will successively add following preparation in the process of roughly selecting and scanning:
A, adding " denude agent ", said " denude agent " is the mixed aqueous solution of prodan, lactic acid, plumbi nitras, nitric acid;
B, adding " are inhaled poly-agent ", and said " inhaling poly-agent " is the mix emulsion fluid of ethyl xanthate, kerosene, machine oil, turpentine oil, lauryl amine and water;
C, adding " collecting agent ", the mixing xanthate that said " collecting agent " is made up of ethyl xanthate, butyl xanthate and isoamyl xanthate;
D, adding flocculant.
Process one roughing and secondary can obtain final concentrate and mine tailing after scanning.
Adopting above-mentioned technology mainly is the following characteristic of swimming according to card crop type gold mine, and promptly (1), clay content are big, are mainly clay mineral and carbonaceous; (2), to carry the pyritous floatability of gold mineral very poor, and is difficult to activation; (3), another year, gold mineral clay mineral floatability was good; (4), gangue mineral swims actively strong, be difficult to suppress etc.Wherein raw ore being finely ground to 85% is in order to obtain better flotation effect less than 200 orders, first desliming purpose is earlier average gold content to be taken off at the thin mud of 0.3-0.5g/T before the flotation, to reduce the dosing of floatation process, this is the critical step that improves floatation indicators." denude agent " and " inhaling poly-agent " in the uniqueness that floatation process added also is key character of the present invention, and " denude agent " is used to clean pyritous surface, to increase its activity, makes the collecting agent energy firm attachment that adds thereafter; It can also remove the surface-active center of gangue mineral, makes moisture film firmly topped.The effect of " inhaling poly-agent " is that the gold mineral that contains that is scattered in the ore pulp is inhaled poly-arriving together.
The medicament that above-mentioned floatation process added needs to determine corresponding consumption according to the difference in sample ore source, the common dose (by the dose that adds of mineral per ton) that adds, when roughly selecting operation be: denude agent 0.3-0.7kg, inhale poly-agent 0.6-1.0kg, collecting agent 0.1-0.3kg, flocculant 0.02-0.07kg; When scanning operation be: denude agent 0.15-0.35kg, inhale poly-agent 0.3-0.5kg, collecting agent 0.05-0.1kg, flocculant 0.01-0.03kg.
Described " denude agent " is that the present invention is added into the special agent in the floatation system, and the preferred component prescription (by weight percentage) of this medicament is: prodan 0.025-1, and lactic acid 0.03-1, plumbi nitras 0.03-1.6, nitric acid 0.4-5, surplus is a water.
Usually " denude agent " prepared in the following order and can be reached better Expected Results:
A, compound concentration scope are the sodium fluoride solution A between 0.1%-4.0%;
B, compound concentration scope are the lactic acid solution B between 0.12%-4.0%;
C, compound concentration scope are the lead nitrate solution C between 0.11-5.4%;
D, compound concentration scope are the dilute nitric acid solution D between the 1.5-20%;
E, elder generation are mixed A with B, C is mixed with D again, at last A+B are mixed mutually with C+D.
Said " inhaling poly-agent " can adopt following preferred ingredient (percentage by weight): kerosene 5-20, and machine oil 0.1-3, turpentine oil 0.1-2, ethyl xanthate 0.1-1, lauryl amine 0.05-0.5, surplus is a water.
Inhaling poly-agent can prepare by the following method:
A, with ethyl xanthate and the lauryl amine formation aqueous solution soluble in water E, the component of this aqueous solution (percentage by weight) is: ethyl xanthate 0.2-2, lauryl amine 0.05-0.5, surplus is a water;
B, priority add machine oil, turpentine oil, lauryl amine and water in the kerosene, mix, and its component (percentage by weight) is: kerosene 10-40, and machine oil 0.2-6, turpentine oil 0.2-4, lauryl amine 0.05-0.5, surplus is a water;
C, the mixed liquor that the b step is produced leave standstill to obvious layering, the main component of its lower floor's solution is a water, wherein contain the impurity that folds in each component of mixed liquor, this part lower floor's solution is removed, the identical water of lower floor's solution weight that replenishes again and remove, form new mixed liquor F, the effect of this step is actually removes contained impurity component in each component of mixture.
D, E and F added simultaneously in 1: 1 ratio (weight) substantially carry out emulsification in the container.
The present invention uses the mixing xanthate that is made of ethyl xanthate, butyl xanthate, isoamyl xanthate as " collecting agent ", more much better than the collecting agent effect of using single component, this mixes xanthate " collecting agent " can be by following composition (percentage by weight) mixed preparing: ethyl xanthate 20-40, butyl xanthate 20-40, isoamyl xanthate 20-40.
The flocculant that adds toward floatation system can be by R550, a kind of material of selecting in the material group that dextrin and starch are formed.Flocculant need be adjusted to 0.01-0.1% with concentration when adding floatation system.
The ore-dressing technique that the present invention adopts is carried out flotation to card crop type gold mine, and the concentrate grade of gained is more than 22g/T, and the rate of recovery is higher than 83%, high 1 to 3 times with the concentrate grade index of traditional ore-dressing technique gained, and yield is then similar, and whole technology separation index is high and stable, institute's with medicament is all nontoxic, can not produce environmental pollution, safe and reliable, and also process is clear, be easy to grasp, small investment can effectively be carried out suitability for industrialized production, and be obtained distinct economic.
Embodiment one
Inhale poly-flotation by following process:
(1) machine after the gold mine coarse crushing is milled to 85% less than 200 orders;
(2) will grind good raw ore desliming, remove the thin mud of average gold content less than 0.5g/T;
(3) will carry out flotation in the adding of the mineral after the desliming flotation device, first one roughing, back secondary is scanned.Add following medicament in the operation process in roughly selecting and scanning:
A, roughly select dosing: 0.5 kilogram/ton of denude agent, inhale 0.8 kilogram/ton of poly-agent emulsion, 0.2 kilogram/ton of collecting agent, 0.05 kilogram/ton of R550 flocculant;
B, scan dosing: 0.25 kilogram/ton of denude agent.Inhale 0.4 kilogram/ton of poly-agent emulsion, 0.1 kilogram/ton of collecting agent, 0.02 kilogram/ton of R550 flocculant.
Wherein, denude agent is prepared by following component (percentage by weight): prodan 0.5, and lactic acid 0.5, plumbi nitras 0.8, nitric acid 2.7, surplus is a water.Its compound method is: (1), compound concentration are 2% sodium fluoride solution A; (2), compound concentration is 2% lactic acid solution B; (3), compound concentration is 3.2% lead nitrate solution C; (4) compound concentration is 10.8% salpeter solution D; (5) A and B are mixed, again C and D are mixed, at last A+B and C+D are mixed.
Inhaling poly-agent component (percentage by weight) is: kerosene 11.7, and machine oil 1.0, turpentine oil 0.6, ethyl xanthate 0.5, lauryl amine 0.1, surplus is a water.
The compound method of inhaling poly-agent is as follows:
A, with ethyl xanthate and the lauryl amine formation aqueous solution soluble in water E, the component of this aqueous solution (percentage by weight) is: ethyl xanthate 1.0, lauryl amine 0.1, surplus is a water;
B, priority add machine oil, turpentine oil, lauryl amine and water in the kerosene, mix, and its component (percentage by weight) is: kerosene 23.4, machine oil 2, turpentine oil 1.2, and lauryl amine 0.1, surplus is a water;
C, the mixed liquor that the b step is produced leave standstill to obvious layering, remove the aqueous solution that sub-cloud contains impurity, replenish and the identical water of lower floor's solution weight again, form new mixed liquor F;
D, E and F added simultaneously in 1: 1 ratio (weight ratio) substantially carry out emulsification in the container.
Collecting agent is in ethyl xanthate: butyl xanthate: the ratio of isoamyl xanthate=1: 1: 1 mixes.
The concentration of R550 flocculant is adjusted to 0.05.
Embodiment two
Inhale poly-floatation process program with embodiment one, roughly selecting and scan the pharmaceutical quantities that adds in the operation process be:
A, roughly select and add dose: 0.3 kilogram/ton of denude agent, inhale 0.6 kilogram/ton of poly-agent emulsion, 0.1 kilogram/ton of collecting agent, 0.02 kilogram/ton of dextrin flocculant.
B, scan and add dose: 0.15 kilogram/ton of denude agent, inhale 0.3 kilogram/ton of poly-agent emulsion, 0.05 kilogram/ton of collecting agent, 0.01 kilogram/ton of dextrin flocculant
Wherein: denude agent is prepared by following component (percentage by weight): prodan 1.0, and lactic acid 1.0, plumbi nitras 1.6, nitric acid 5.0, surplus is a water.Its compound method is: (1) compound concentration is 4.0% sodium fluoride solution A; (2) compound concentration is 4.0% lactic acid solution B; (3) compound concentration is 5.4% lead nitrate solution C; (4) compound concentration is 20% dilute nitric acid solution D; (5) A and B are mixed, again C and D are mixed, at last A+B and C+D are mixed.
Inhaling poly-agent component (percentage by weight) is: kerosene 20, and machine oil 3, turpentine oil 2, ethyl xanthate 1, lauryl amine 0.5, surplus is a water.
The compound method of inhaling poly-agent is as follows:
A, with ethyl xanthate and the lauryl amine formation aqueous solution soluble in water E, the component of this aqueous solution (percentage by weight) is: ethyl xanthate 2, lauryl amine 0.5, surplus is a water.
B, priority add machine oil, turpentine oil, lauryl amine and water in the kerosene, mix, and its component is (percentage by weight): kerosene 40, and machine oil 6, turpentine oil 4, lauryl amine 0.5, surplus is a water,
C, the mixed liquor that the b step is produced leave standstill to obvious layering, remove the water that sub-cloud contains impurity, form new mixed liquor F;
D, E and F added simultaneously in 1: 1 ratio (weight ratio) substantially carry out emulsification in the container.
Collecting agent is pressed following component (percentage by weight): ethyl xanthate 20, and butyl xanthate 40, the ratio of isoamyl xanthate 40 mixes.
The concentration of dextrin flocculant is adjusted to 0.1%.
Embodiment three
Inhale poly-floatation process program with embodiment one, add pharmaceutical quantities in the operation process and be roughly selecting and scan:
A, roughly select and add dose: 0.7 kilogram/ton of denude agent, inhale 1.0 kilograms/ton of poly-agent emulsions, 0.3 kilogram/ton of collecting agent, 0.07 kilogram/ton of starch flocculant.
B, scan and add dose: 0.35 kilogram/ton of denude agent, inhale 0.5 kilogram/ton of poly-agent emulsion, 0.15 kilogram/ton of collecting agent, 0.03 kilogram/ton of starch flocculant.
Wherein, denude agent is prepared by following component (percentage by weight): prodan 0.025, and lactic acid 0.03, plumbi nitras 0.03, nitric acid 0.4, surplus is a water.The compound method of denude agent is as follows: (1) compound concentration is 0.1% sodium fluoride solution A; (2) compound concentration is 0.12% lactic acid solution B; (3) compound concentration is 0.1% lead nitrate solution C; (4) compound concentration is 1.5% dilute nitric acid solution D; (5) earlier A is mixed with B, again C+D is mixed, at last A+B is mixed mutually with C+D.
Inhaling poly-agent component (percentage by weight) is: kerosene 5, and machine oil 0.1, turpentine oil 0.1, ethyl xanthate 0.1, lauryl amine 0.05, surplus is a water.Compound method is as follows: a, with ethyl xanthate and the lauryl amine formation aqueous solution soluble in water E, and the component of this aqueous solution (percentage by weight) is: ethyl xanthate 0.2, lauryl amine 0.05, surplus is a water; B, priority add machine oil, turpentine oil, lauryl amine and water in the kerosene, mix, and its component (percentage by weight) is: kerosene 10, and machine oil 0.2, turpentine oil 0.2, lauryl amine 0.05, surplus is a water; C, the mixed liquor that the b step is produced leave standstill to obvious layering, remove its lower floor's solution, mend and the identical water of lower floor's solution weight again, form new mixed liquor F; D, E and F added simultaneously in 1: 1 ratio (weight ratio) substantially carry out emulsification in the container.
Collecting agent is pressed following component (percentage by weight): ethyl xanthate 40, butyl xanthate 38, isoamyl xanthate 22, mixed preparing.
The concentration of starch flocculant is adjusted to 0.01%.
Claims (9)
1, a kind of Kalin-type suction flotation method for gold ore is characterized in that ore dressing process may further comprise the steps:
(1) mineral is finely ground to 85% less than 200 orders;
(2) (2) will grind good mineral and carry out the desliming operation earlier;
(3) the mineral adding flotation device system after desliming is comprised the floatation process that one roughing and secondary are scanned, and all successively adds following preparation in the process in roughly selecting and scanning:
A, adding " denude agent ", said " denude agent " is the mixed aqueous solution of prodan, lactic acid, plumbi nitras, nitric acid;
B, adding " are inhaled poly-agent ", and said " inhaling poly-agent " is the mix emulsion fluid of ethyl xanthate, kerosene, machine oil, turpentine oil, lauryl amine and water;
C, adding " collecting agent ", said " collecting agent " is by ethyl xanthate, the mixing xanthate that butyl xanthate and isoamyl xanthate are formed;
D, adding flocculant.
2, by the described Kalin-type suction flotation method for gold ore of claim 1, what it is characterized in that said floatation process roughly selects that the dose that adds of mineral per ton is in the operation: denude agent 0.3-0.7kg, inhale poly-agent 0.6-1.0kg, collecting agent 0.1-0.3kg, flocculant 0.02-0.07kg, saidly scan that the dose that adds of mineral per ton is in the operation: denude agent 0.15-0.35kg, inhale poly-agent 0.3-0.5kg, collecting agent 0.05-0.15kg, flocculant 0.01-0.03kg.
3, by claim 1 or 2 described Kalin-type suction flotation method for gold ore, the composition (percentage by weight) that it is characterized in that said " denude agent " is: prodan 0.025-1, lactic acid 0.0 3-1, plumbi nitras 0.03-1.6, nitric acid 0.4-5, surplus are water.
4,, it is characterized in that said " denude agent " prepare in the following order by the described Kalin-type suction flotation method for gold ore of claim 3:
A, compound concentration scope are the sodium silicate solution A between 0.1%-4.0%;
B, compound concentration scope are the lactic acid solution B between 0.12%-4.0;
C, compound concentration scope are the lead nitrate solution C between 0.11%-5.4%;
D, compound concentration scope are the dilute nitric acid solution D between 1.5%-20%;
E, elder generation are mixed A with B, C is mixed with D again, at last A+B are mixed mutually with C+D.
5,, it is characterized in that the component of said " inhaling poly-agent " is (percentage by weight): kerosene 5-20, machine oil 0.1-3 by claim 1 or 2 described Kalin-type suction flotation method for gold ore, turpentine oil 0.1-2, ethyl xanthate 0.1-1, lauryl amine 0.05-0.5, water surplus.
6,, it is characterized in that said " inhaling poly-agent " preparation as follows by the described Kalin-type suction flotation method for gold ore of claim 5:
A, with ethyl xanthate and the lauryl amine shape aqueous solution soluble in water E, the component of this aqueous solution (percentage by weight) is: ethyl xanthate 0.2-2, lauryl amine 0.05-0.5, surplus is a water;
B, priority add machine oil, turpentine oil, lauryl amine and water in the kerosene, mix, and its component (percentage by weight) is: kerosene 10-40, and machine oil 0.2-6, turpentine oil 0.2-4, lauryl amine 0.05-0.5, surplus is a water;
C, the mixed liquor that the b step is produced leave standstill to obvious layering, remove its lower floor's solution, mend and the identical water of lower floor's solution weight again, form new mixed liquor F;
D, E and F added simultaneously in 1: 1 ratio (weight ratio) substantially carry out emulsification in the container.
7, by claim 1 or 2 described Kalin-type suction flotation method for gold ore, it is characterized in that said " collecting agent " component (percentage by weight) is: ethyl xanthate 20-40, butyl xanthate 20-40, isoamyl xanthate 20-40.
8, by claim 1 or 2 described Kalin-type suction flotation method for gold ore, it is characterized in that said flocculant is R550, dextrin or starch.
9, by the described Kalin-type suction flotation method for gold ore of claim 8, it is characterized in that flocculant concentration is 0.01-0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94108438 CN1034915C (en) | 1994-07-15 | 1994-07-15 | Kalin-type suction flotation method for gold ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94108438 CN1034915C (en) | 1994-07-15 | 1994-07-15 | Kalin-type suction flotation method for gold ore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1114920A true CN1114920A (en) | 1996-01-17 |
| CN1034915C CN1034915C (en) | 1997-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94108438 Expired - Fee Related CN1034915C (en) | 1994-07-15 | 1994-07-15 | Kalin-type suction flotation method for gold ore |
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| CN (1) | CN1034915C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869875A (en) * | 2010-06-03 | 2010-10-27 | 青海中航资源有限公司 | Fluid mud agent and mud removing technology of mud-contained potassium mineral |
| CN102312107A (en) * | 2011-08-30 | 2012-01-11 | 北京矿冶研究总院 | Smelting method of Carlin type gold ore |
| CN102575316A (en) * | 2009-07-15 | 2012-07-11 | 硅解决方案有限公司 | Separation of fine particle precious metals from gangue materials through application of diluted solution of a silicon chemical |
| CN103977881A (en) * | 2014-05-07 | 2014-08-13 | 西北矿冶研究院 | Method for selecting gold from gold ore leaching slag |
| CN104745833A (en) * | 2013-12-25 | 2015-07-01 | 北京有色金属研究总院 | Treatment process for high-mud gold ores |
| CN104841565A (en) * | 2015-05-26 | 2015-08-19 | 长安大学 | Method for recycling gold from gold floatation tailings |
| CN111298984A (en) * | 2020-03-27 | 2020-06-19 | 云南铁峰矿业化工新技术有限公司 | Collecting agent |
-
1994
- 1994-07-15 CN CN 94108438 patent/CN1034915C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575316A (en) * | 2009-07-15 | 2012-07-11 | 硅解决方案有限公司 | Separation of fine particle precious metals from gangue materials through application of diluted solution of a silicon chemical |
| CN101869875A (en) * | 2010-06-03 | 2010-10-27 | 青海中航资源有限公司 | Fluid mud agent and mud removing technology of mud-contained potassium mineral |
| CN101869875B (en) * | 2010-06-03 | 2012-12-26 | 青海中航资源有限公司 | Fluid mud agent and mud removing technology of mud-contained potassium mineral |
| CN102312107A (en) * | 2011-08-30 | 2012-01-11 | 北京矿冶研究总院 | Smelting method of Carlin type gold ore |
| CN104745833A (en) * | 2013-12-25 | 2015-07-01 | 北京有色金属研究总院 | Treatment process for high-mud gold ores |
| CN103977881A (en) * | 2014-05-07 | 2014-08-13 | 西北矿冶研究院 | Method for selecting gold from gold ore leaching slag |
| CN104841565A (en) * | 2015-05-26 | 2015-08-19 | 长安大学 | Method for recycling gold from gold floatation tailings |
| CN111298984A (en) * | 2020-03-27 | 2020-06-19 | 云南铁峰矿业化工新技术有限公司 | Collecting agent |
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| Publication number | Publication date |
|---|---|
| CN1034915C (en) | 1997-05-21 |
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