CN103056034B - Composite agent for recovering silver from lead-zinc-silver sulfide ore with high sulfur content and preparation method for composite agent - Google Patents
Composite agent for recovering silver from lead-zinc-silver sulfide ore with high sulfur content and preparation method for composite agent Download PDFInfo
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- CN103056034B CN103056034B CN201210573957.6A CN201210573957A CN103056034B CN 103056034 B CN103056034 B CN 103056034B CN 201210573957 A CN201210573957 A CN 201210573957A CN 103056034 B CN103056034 B CN 103056034B
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Abstract
The invention relates to a composite strong collecting agent, in particular to a composite agent for improving the recovery rate of associated silver metal in a lead-zinc-silver sulfide ore with high sulfur content and a preparation method for the composite agent. The ore dressing rate of the associated silver metal is improved. The composite agent for recovering silver from the lead-zinc-silver sulfide ore with high sulfur content consists of raw materials such as sodium carbonate, aniline aerofloat and butylamine aerofloat in a mass ratio of 1:(0.8-1.3):(1.7-2.1). The composite agent has a good collecting effect on the associated silver in the sulfide ore, and the ore dressing recovery rate of the silver metal can be effectively improved.
Description
Technical field
The present invention relates to a kind of compound strong collecting agent, particularly a kind of from improving composite drug of associated silver metal recovery rate and preparation method thereof containing the plumbous zinc-silver sulphide ore of high-sulfur.
Background technology
Ore-dressing technique mainly adopts selective flotation flowsheet, i.e. diffeential floatation lead, chats regrind after flotation zinc.Raw ore sulfur-bearing grade 25%～28%, leaded grade 2.5%-2.8%, containing zinc grade 2.6%-3.0%, argentiferous grade 145g/t-165 g/t, the silver-colored main and plumbous association of this ore.Ore dressing plant mainly adopts diethyldithiocarbamate and 541 xanthate collectors as selecting plumbous collecting agent, and associated silver metal recovery rate in ore-dressing is lower.
Silver metal can association in a lot of class ores the inside, generally all together with other metalloid associations, become seldom separately ore deposit (minority can become separately ore deposit), its main association, in lead concentrate, can be enriched to more than 2000 grades in lead concentrate; In zinc concentrate, also can be enriched to 200 left and right, because the silver-colored grade in zinc concentrate is very low, without charge in print, only just valuation of the silver in front concentrate.In order to realize the value in ore deposit, associated silver need to be enriched in lead concentrate as much as possible.
Collecting agent has physical absorption, chemisorbed and surface chemical reaction in the effect of mineral surfaces.The absorption of collecting agent and mineral floating behavior have substantial connection.In certain collecting agent concentration range, along with drug concentration improves, adsorbance increases, and flotation recovery rate significantly rises; Concentration reach mutually on duty after, the amplitude that the rate of recovery improves with concentration and adsorbance diminishes; When collecting agent excessive concentration, adsorbance also can continue to increase, but flotation recovery rate no longer raises, decline even on the contrary.Therefore, in floatation process, to correctly grasp the consumption of collecting agent, to obtain optimum efficiency.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides one can be enriched to associated silver in lead concentrate as much as possible, effectively improve containing the composite drug and the manufacture method thereof that reclaim associated silver metal ore dressing rate in the plumbous zinc-silver sulphide ore of high-sulfur, it has good collecting effect to sulphide ore associated silver, can effectively improve the recovery rate in ore-dressing of silver metal.
The technical solution adopted for the present invention to solve the technical problems is: reclaim silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, be mainly made up of in mass ratio following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:0.8～1.3:1.7～2.1.
Of the present invention as follows for the manufacture craft that reclaims silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur:
1. sodium carbonate water is mixed with at normal temperatures to concentration and is 10% sodium carbonate liquor, pH value=7 of described water;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 0.8～1.3 times of amount of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding water dilution concentration of aniline is 2～3%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butyl ammonium aerofloat of 1.7～2.1 times of amounts of sodium carbonate quality;
4. adding water dilution mixed solution concentration is 2% to obtain.
Composite drug using method of the present invention is with adding common collecting agent equally to use in ore-dressing technique again.
The present invention has following beneficial effect: 1. under normal temperature, carry out, without heating, be applicable to argentiferous sulfide ore of different nature, can allow associated silver as much as possible; 2. this medicament is low to floatation process conditional request, easily meets; 3. cost of material is cheap, and consumption is little, and per ton needs add 100 grams of medicaments of the present invention, reduce the use of expensive diethyldithiocarbamate simultaneously, reduce costs; 4. effectively improve the associated silver rate of recovery 5～10% in ore deposit; 5. this composite drug has the double action of collecting agent and foaming agent.
The selected medicament of the present invention contrasts with common floating agent and method:
As seen from the table, with the selected medicament of the present invention and method, flotation of lead zinc association silver ore, the plumbous grade of lead concentrate reaches more than 52%, and lead recovery reaches 88.43%, and silver-colored grade reaches 2382g/t, and the rate of recovery reaches 75.86%; Have and significantly improved compared with the method for floating of former use.
Detailed description of the invention
Embodiment 1
Reclaim silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, mainly formed in mass ratio by following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:1:2.
Of the present invention as follows for the manufacture craft that reclaims silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur:
1. sodium carbonate being mixed with to concentration at normal temperatures with clear water is 10% sodium carbonate liquor, pH value=7 of described clear water;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 1 times of amount of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding clear water dilution concentration of aniline is 2%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butyl ammonium aerofloat of 2 times of amounts of sodium carbonate quality;
4. adding clear water dilution mixed solution concentration is 2% to obtain.
Composite drug using method of the present invention is with adding common collecting agent equally to use in ore-dressing technique again.
After aniline is dissolved into and reacts in sodium carbonate, concentration is quite large, substantially becomes pasty state, that in water just as ground rice, after being first diluted with water and allowing aniline dissolve, just can better stir, then add fourth ammonium to be just conducive to dissolve mixing; The words butylamine that concentration is little dissolves more hurry up.Adopt above-mentioned composite drug better associated silver to be enriched to lead concentrate, the associated silver rate of recovery 5～10% in ore deposit is effectively provided.
Embodiment 2
Detailed description of the invention, with embodiment 1, reclaims silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, is mainly made up of in mass ratio following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:1.3:2.1.
Of the present invention as follows for the manufacture craft that reclaims silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur:
1. sodium carbonate being mixed with to concentration at normal temperatures with clear water is 10% sodium carbonate liquor, pH value=7 of described clear water;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 1.3 times of amounts of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding clear water dilution concentration of aniline is 3%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butyl ammonium aerofloat of 2.1 times of amounts of sodium carbonate quality;
4. adding clear water dilution mixed solution concentration is 2% to obtain.
Embodiment 3
Detailed description of the invention, with embodiment 1, reclaims silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, is mainly made up of in mass ratio following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:0.8:1.7.
Of the present invention as follows for the manufacture craft that reclaims silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur:
1. sodium carbonate being mixed with to concentration at normal temperatures with clear water is 10% sodium carbonate liquor, pH value=7 of described clear water;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 0.8 times of amount of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding clear water dilution concentration of aniline is 3%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butyl ammonium aerofloat of 2.1 times of amounts of sodium carbonate quality;
4. adding clear water dilution mixed solution concentration is 2% to obtain.
Embodiment 4
Detailed description of the invention, with embodiment 1, reclaims silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, is mainly made up of in mass ratio following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:1.2:1.9.
Of the present invention as follows for the manufacture craft that reclaims silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur:
1. configure the sodium carbonate liquor of 10% concentration;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 0.9 times of amount of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding clear water dilution concentration of aniline is 3%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butyl ammonium aerofloat of 1.9 times of amounts of sodium carbonate quality;
4. adding clear water dilution mixed solution concentration is 2% to obtain.
Embodiment 5
Detailed description of the invention, with embodiment 1, reclaims silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, is mainly made up of in mass ratio following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:1.1:1.8.
Of the present invention as follows for the manufacture craft that reclaims silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur:
1. sodium carbonate being mixed with to concentration at normal temperatures with clear water is 10% sodium carbonate liquor, pH value=7 of described clear water;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 1.1 times of amounts of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding clear water dilution concentration of aniline is 2%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butyl ammonium aerofloat of 1.8 times of amounts of sodium carbonate quality;
4. adding clear water dilution mixed solution concentration is 2% to obtain.
Claims (2)
1. reclaim silver-colored composite drug for the plumbous zinc-silver sulphide ore containing high-sulfur, mainly formed in mass ratio by following raw material: sodium carbonate: aniline black powder: butylamine black powder=1:0.8～1.3:1.7～2.1;
This composite drug adopts following steps to be prepared:
1. sodium carbonate water is mixed with at normal temperatures to concentration and is 10% sodium carbonate liquor, pH value=7 of described water;
2. aniline black powder is dissolved in above-mentioned sodium carbonate liquor according to 0.8～1.3 times of amount of sodium carbonate quality, stirs after 5 minutes and leave standstill after 30 minutes, adding clear water dilution nigrosine concentration is 2～3%;
3. in obtaining mixed solution after 2. aniline black powder is dissolved in sodium carbonate, above-mentioned steps adds the butylamine black powder of 1.7～2.1 times of amounts of sodium carbonate quality;
4. adding water dilution mixed solution concentration is 2% to obtain.
2. as claimed in claim 1 for reclaiming silver-colored composite drug containing the plumbous zinc-silver sulphide ore of high-sulfur, it is characterized in that: sodium carbonate: aniline black powder: butylamine black powder=1:1～1.2:1.8～2.
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| CN104475267A (en) * | 2014-11-24 | 2015-04-01 | 西北矿冶研究院 | Galena collecting agent and preparation method thereof |
| CN111036393B (en) * | 2019-12-04 | 2022-04-26 | 北京矿冶科技集团有限公司 | Combined collecting agent and beneficiation method for recovering copper, lead and silver from copper, lead, zinc and silver polymetallic ore |
Citations (3)
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| CN102327815A (en) * | 2011-07-28 | 2012-01-25 | 湖南有色金属研究院 | Beneficiation method for replacing sodium cyanide floating lead zinc to difficultly select ore |
| CN102513216A (en) * | 2011-12-26 | 2012-06-27 | 云南罗平锌电股份有限公司 | Method for comprehensively recycling copper and silver from low-copper and high-silver ores |
| CN102744155A (en) * | 2012-08-06 | 2012-10-24 | 云南罗平锌电股份有限公司 | Method for comprehensively recovering lead and silver from lead slag |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102327815A (en) * | 2011-07-28 | 2012-01-25 | 湖南有色金属研究院 | Beneficiation method for replacing sodium cyanide floating lead zinc to difficultly select ore |
| CN102513216A (en) * | 2011-12-26 | 2012-06-27 | 云南罗平锌电股份有限公司 | Method for comprehensively recycling copper and silver from low-copper and high-silver ores |
| CN102744155A (en) * | 2012-08-06 | 2012-10-24 | 云南罗平锌电股份有限公司 | Method for comprehensively recovering lead and silver from lead slag |
Non-Patent Citations (4)
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| 冯忠伟.富含可溶性盐高硫铅锌矿无碱浮选工艺研究.《金属矿山》.2009,(第8期),第45-48页. * |
| 刘望.提高铅精矿中伴生银回收率从的研究.《矿产保护与利用》.2001,(第3期),第33-35页. |
| 提高铅精矿中伴生银回收率从的研究;刘望;《矿产保护与利用》;20010630(第3期);第33-35页 * |
| 罗仙平等.提高某复杂铅锌矿伴生银选矿指标新工艺研究.《矿冶工程》.2011,第31卷(第3期), * |
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