CN101451187A - Comprehensive recovery method of gold ore resource containing molybdenum multi-metal - Google Patents
Comprehensive recovery method of gold ore resource containing molybdenum multi-metal Download PDFInfo
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- CN101451187A CN101451187A CNA2007101930332A CN200710193033A CN101451187A CN 101451187 A CN101451187 A CN 101451187A CN A2007101930332 A CNA2007101930332 A CN A2007101930332A CN 200710193033 A CN200710193033 A CN 200710193033A CN 101451187 A CN101451187 A CN 101451187A
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Abstract
The invention discloses a method for comprehensively recovering molybdenum-containing polymetallic gold ore resources, which comprises the following steps: firstly, crushing and grinding molybdenum-containing gold ores first, performing floatation on useful metallic elements to obtain bulk concentrate by a complete mixing floatation method, and discarding tailings; secondly, leaching out and recovering gold and silver from the bulk concentrate by CCL carbon paste wet-method gold leaching technology, and using tailings after gold leaching for preferred selection of molybdenum in the next step; thirdly, performing preferred separation and floatation of the molybdenum on the gold leaching tailings to obtain qualified molybdenum concentrate; fourthly, activating molybdenum-selecting tailings, and performing separation and floatation of lead to obtain lead concentrate; fifthly, performing separation and floatation of copper on lead-selecting tailings to obtain copper concentrate; and sixthly, performing floatation of sulfur on copper-selecting tailings to obtain sulfur concentrate, performing filtration and backwater circulation on sulfur-selecting tailings, and applying the sulfur-selecting tailings to the carbon paste wet-method gold leaching technology for recovery of the gold and the silver. The method greatly improves the grade of separated metals. The following products can be obtained by utilization of the method: more than or equal to 95 percent of alloyed gold, more than or equal to 45 percent of the molybdenum concentrate, more than or equal to 40 percent of the lead concentrate and more than or equal to 35 percent of the sulfur concentrate. The tailings after floatation are filtered by a ceramic filter (the moisture content is less than or equal to 15 percent), subjected to dry-type stacking, and used for soil sealing and land rehabilitation in late stage.
Description
Technical field
The present invention relates to a kind of comprehensive recovery method of gold ore resource containing molybdenum multi-metal, belong to metal selecting and smelting technology field.
Background technology
At present, what mainly adopt when containing the ore dressing of molybdenum multi-metal gold mine is single method for floating, preferentially selects molybdenum, more plumbous, the sulphur of choosing, press down the floating molybdenum of copper, guarantee concentrated molybdenum ore, inhibitor and pore forming material interact, and medicine sorts difficulty, the metal separation grade is low, and treatment capacity is big, and the rate of recovery is low, is difficult to reach the anticipation effect; And the backwater in the floatation process directly discharges, and has badly influenced surrounding environment.
Summary of the invention
The object of the present invention is to provide a kind of comprehensive recovery method of gold ore resource containing molybdenum multi-metal, with elements such as the valuable metal gold and silver in the comprehensive recovery mineral, molybdenum, lead, copper, sulphur.
To achieve these goals, technical scheme of the present invention has adopted a kind of comprehensive recovery method of gold ore resource containing molybdenum multi-metal, may further comprise the steps: (1) will contain the molybdenum Gold Ore earlier through traditional technologys such as muck, ore grindings, adopt full bulk flotation method again, with the useful metallic elements flotation is collective concentrate, and mine tailing is discarded; (2) collective concentrate adopts CCL charcoal slurry wet method gold-leaching technology, leaches and reclaims gold and silver; Soaking mine tailing behind the gold is used for next step and preferentially selects molybdenum; (3) soak golden mine tailing through preferential separating flotation molybdenum, obtain qualified concentrated molybdenum ore; (4) select the molybdenum mine tailing activated after, separating flotation lead obtains lead ore concentrate again; (5) select plumbous mine tailing to select copper through separation again, obtain copper ore concentrates; (6) select the copper mine tailing again through selecting sulphur, obtain the sulphur concentrate, select the sulphur mine tailing after filtration, backwater circulation is applied to charcoal slurry wet method and soaks gold, reclaims gold and silver.
The medicament that bulk flotation in the step (1) adds is: sodium sulfate 500～1500g/t, water glass 500～1000g/t, Sodium hexametaphosphate 99 500～1000g/t, kerosene 200～500g/t, sodium oleate 100～300g/t, xanthate 50～100g/t, copper sulfate 100～200g/t, No. 2 oil 50～150g/t.Adopt bulk flotation, reclaim useful metal in the raw ore to greatest extent, meet " early receive and early abandon " principle fully.
Mine tailing in the step (1) is useless mineral such as silicon-dioxide.
Charcoal slurry wet method in the step (2) is soaked the medicament that adds in the golden process and is: lime 2～8Kg/t, yellow soda ash 5～15Kg/t, sodium hydroxide 5～10Kg/t, sodium cyanide 3～7Kg/t, hydrogen peroxide 300～500g/t and gac 1～60Kg/t; Charcoal slurry wet method is soaked the metal working preface and has promptly been reclaimed the precious metals such as gold and silver in the collective concentrate, separates with copper, lead for next step molybdenum again, presses down the floating molybdenum of copper and lays the first stone.
The medicament that adds in the separating flotation molybdenum process in the step (3) is: tannin extract 200～800g/t, kerosene 200～500g/t, sodium cyanide 500～1000g/t, diesel oil 100～300g/t.
The medicament that adds in the plumbous process of separating flotation in the step (4) is: aniline black powder 100～300g/t, diethyldithiocarbamate 150～300g/t.
The medicament that adds in the separating flotation copper process in the step (5) is: xanthate 100～500g/t, the third second thiamines fat, 200～500g/t, oxidation paraffin wax soap 200～700g/t.
The medicament that selecting in the step (6) adds in the sulphur process is: xanthate 200～500g/t.
The filtered water of bulk flotation mine tailing is returned grinding system, and the concentrate overflow water of separating flotation, tailing filtration water return charcoal and soaks utilization again, make full use of backwater, and sewage reaches zero release, environmental protection.
Described mixing mine tailing after filtration, dried slag muck is deposited.
Method collection stage grinding of the present invention, bulk flotation, the absorption of charcoal slurry, differential flotation, separating flotation, concentrate oven dry, concentrate thickening and the dried slag muck of tailing filtration are deposited process optimization and are united and form, promptly adopting bulk flotation that useful metal is mixed earlier flotates, discard most of useless mineral silica etc., improve metal content, reduced treatment capacity; Charcoal slurry wet method is soaked gold subsequently, soak golden mine tailing and preferentially select molybdenum, get qualified concentrated molybdenum ore, select the activated back choosing of molybdenum mine tailing lead, copper, sulphur etc., the leaching agent sodium cyanide is the non-ferrous metal inhibitor of next step separating flotation, for next step preferentially selects molybdenum and separates non-ferrous metal and lay the foundation.Method synthesis of the present invention has reclaimed elements such as the valuable metal gold and silver in the mineral, molybdenum, lead, copper, sulphur.The present invention adopts advanced in the world KS new ceramics filter that mine tailing is filtered the level of automation height, and labour intensity is little, and filtrate water is all utilized once more; Reduced the pollution of quantity of wastewater effluent and waste water to environment.
Adopt method of the present invention to improve institute's grade of separated metals greatly.
Head grade: golden 0.56g/t, molybdenum 0.12%, lead 0.14%, sulphur 2%.
Can obtain product after utilizing method of the present invention: gold containing material 〉=95%, molybdenum concentrate 〉=45%, plumbous smart powder 〉=40%, the smart powder of sulphur 〉=35%.
Flotation tailings adopts ceramic filter to filter back (moisture≤15%) dry type stacking, and the later stage earthing makes ground.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Embodiment 1
As shown in Figure 1, comprehensive recovery method of gold ore resource containing molybdenum multi-metal of the present invention specifically may further comprise the steps:
(1) will contain the molybdenum Gold Ore earlier through muck, traditional technologys such as ore grinding adopt full bulk flotation method again, are collective concentrate with the useful metallic elements flotation, and mine tailing is discarded; Medicament that adds in this step and order are: adjust agent sodium sulfate 1000g/t, sludge dispersion agent water glass 700g/t, Sodium hexametaphosphate 99 800g/t, inhibitor kerosene 300g/t, sodium oleate 200g/t, activator copper sulfate 150g/t, collecting agent xanthate 70g/t, No. 2 oily 100g/t of pore forming material; Full bulk flotation employing one roughing, secondary are scanned, the triple cleaning flow process; (2) adopt traditional C CL charcoal slurry wet method to soak golden method, reclaim gold and silver; Soaking mine tailing behind the gold is used for next step and preferentially selects molybdenum; The medicament that adds in this process is: the pH value is adjusted agent lime 4Kg/t, yellow soda ash 10Kg/t, sodium hydroxide 6Kg/t, soaks golden agent sodium cyanide 4Kg/t, the gac 20Kg/t of leaching agent hydrogen peroxide 400g/t and gold absorption usefulness; CCL charcoal slurry wet method is soaked gold and is adopted two sections preimpregnation, three sections suction technical process while soaking; (3) soak golden mine tailing through preferential separating flotation molybdenum, obtain qualified concentrated molybdenum ore; The medicament that adds in this process is: thunder nox 350g/t, inhibitor tannin extract 400g/t, sodium cyanide 600g/t, collecting agent kerosene 300g/t, diesel oil 200g/t, preferential separating flotation molybdenum adopt one roughing, scan for three times, six cleaning technological flowasheets; (4) select the molybdenum mine tailing activated after, separating flotation lead obtains lead ore concentrate; The medicament that adds in this process is: collecting agent aniline black powder 200g/t, diethyldithiocarbamate 150g/t; The plumbous employing of the plumbous separating flotation of separating flotation one roughing, secondary are scanned, the triple cleaning flow process; (5) select plumbous mine tailing to select copper, obtain copper ore concentrates through separation; The medicament that adds in this process is: collecting agent xanthate 300g/t, the third second thiamines fat 300g/t, oxidation paraffin wax soap 300g/t; (6) select the copper mine tailing to select sulphur through conventional technology, obtain the sulphur concentrate, select the sulphur mine tailing after filtration, backwater circulation is applied to charcoal slurry wet method and soaks gold, reclaims gold and silver.
Embodiment 2
Comprehensive recovery method of gold ore resource containing molybdenum multi-metal of the present invention, specifically may further comprise the steps: (1) will contain the molybdenum Gold Ore earlier through muck, and traditional technologys such as ore grinding adopt full bulk flotation method again, with the useful metallic elements flotation is collective concentrate, and mine tailing is discarded; Medicament that adds in this step and order are: adjust agent sodium sulfate 1500g/t, sludge dispersion agent water glass 1000g/t, Sodium hexametaphosphate 99 1000g/t, inhibitor kerosene 500g/t, sodium oleate 300g/t, activator copper sulfate 200g/t, collecting agent xanthate 100g/t, No. 2 oily 150g/t of pore forming material; Full bulk flotation employing one roughing, secondary are scanned, the triple cleaning flow process; (2) adopt traditional C CL charcoal slurry wet method to soak golden method, reclaim gold and silver; Soaking mine tailing behind the gold is used for next step and preferentially selects molybdenum; The medicament that adds in this process is: the pH value is adjusted agent lime 8Kg/t, yellow soda ash 15Kg/t, sodium hydroxide 10Kg/t, soaks golden agent sodium cyanide 7Kg/t, the gac 60Kg/t of leaching agent hydrogen peroxide 500g/t and gold absorption usefulness; CCL charcoal slurry wet method is soaked gold and is adopted two sections preimpregnation, three sections suction technical process while soaking; (3) soak golden mine tailing through preferential separating flotation molybdenum, obtain qualified concentrated molybdenum ore; The medicament that adds in this process is: thunder nox 500g/t, inhibitor tannin extract 800g/t, sodium cyanide 1000g/t, collecting agent kerosene 500g/t, diesel oil 300g/t, preferential separating flotation molybdenum adopt one roughing, scan for three times, six cleaning technological flowasheets; (4) select the molybdenum mine tailing activated after, separating flotation lead obtains lead ore concentrate; The medicament that adds in this process is: collecting agent aniline black powder 300g/t, diethyldithiocarbamate 300g/t; The plumbous one roughing of the plumbous separating flotation of separating flotation, secondary are scanned, the triple cleaning flow process; (5) select plumbous mine tailing to select copper, obtain copper ore concentrates through separation; The medicament that adds in this process is: collecting agent xanthate 500g/t, the third second thiamines fat 500g/t, oxidation paraffin wax soap 700g/t; (6) select the copper mine tailing to select sulphur through conventional technology, obtain the sulphur concentrate, select the sulphur mine tailing after filtration, backwater circulation is applied to charcoal slurry wet method and soaks gold, reclaims gold and silver.
It should be noted last that: above embodiment is only in order to explanation, and unrestricted technical scheme of the present invention, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1, a kind of comprehensive recovery method of gold ore resource containing molybdenum multi-metal, (1) it is characterized in that: may further comprise the steps: after will contain molybdenum Gold Ore process muck, ore grinding earlier, adopting full bulk flotation method again, is collective concentrate with the useful metallic elements flotation, and mine tailing is discarded; (2) collective concentrate adopts CCL charcoal slurry wet method gold-leaching technology, leaches and reclaims gold and silver; Soaking mine tailing behind the gold is used for next step and preferentially selects molybdenum; (3) soak golden mine tailing through preferential separating flotation molybdenum, obtain qualified concentrated molybdenum ore; (4) select the molybdenum mine tailing activated after, separating flotation lead obtains lead ore concentrate again; (5) select plumbous mine tailing to select copper through separation again, obtain copper ore concentrates; (6) select the copper mine tailing again through selecting sulphur, obtain the sulphur concentrate, select the sulphur mine tailing after filtration, backwater circulation is applied to charcoal slurry wet method and soaks gold, reclaims gold and silver.
2, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the medicament that the full bulk flotation in the step (1) adds is: sodium sulfate 500～1500g/t, water glass 500～1000g/t, Sodium hexametaphosphate 99 500～1000g/t, kerosene 200～500g/t, sodium oleate 100～300g/t, xanthate 50～100g/t, copper sulfate 100～200g/t, No. 2 oil 50～150g/t.
3, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the mine tailing in the step (1) is useless mineral such as silicon-dioxide.
4, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the charcoal slurry wet method in the step (2) is soaked the medicament that adds in the golden process and is: lime 2～8Kg/t, yellow soda ash 5～15Kg/t, sodium hydroxide 5～10Kg/t, sodium cyanide 3～7Kg/t, hydrogen peroxide 300～500g/t and gac 1～60Kg/t.
5, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the medicament that adds in the separating flotation molybdenum process in the step (3) is: tannin extract 200～800g/t, kerosene 200～500g/t, sodium cyanide 500～1000g/t, diesel oil 100～300g/t.
6, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the medicament that adds in the plumbous process of separating flotation in the step (4) is: aniline black powder 100～300g/t, diethyldithiocarbamate 150～300g/t.
7, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the medicament that adds in the separating flotation copper process in the step (5) is: xanthate 100～500g/t, the third second thiamines fat, 200～500g/t, oxidation paraffin wax soap 200～700g/t.
8, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the medicament that selecting in the step (6) adds in the sulphur process is: xanthate 200～500g/t.
9, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: the filtered water of bulk flotation mine tailing is returned grinding system, and the concentrate overflow water of separating flotation, tailing filtration water return charcoal and soaks utilization again.
10, comprehensive recovery method of gold ore resource containing molybdenum multi-metal according to claim 1 is characterized in that: described mixing mine tailing after filtration, dried slag muck is deposited.
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| CN101831542A (en) * | 2010-04-23 | 2010-09-15 | 北京科技大学 | Method for extracting metallic elements of ferrum, magnesium and calcium from molybdenum milltailings |
| CN101927213A (en) * | 2009-06-26 | 2010-12-29 | 西北有色金属研究院 | Flotation separation method for molybdenite and galena |
| CN101956073A (en) * | 2010-08-17 | 2011-01-26 | 河南中原黄金冶炼厂有限责任公司 | Process for recycling gold and silver refined waste liquid |
| CN102441492A (en) * | 2011-09-21 | 2012-05-09 | 紫金矿业集团股份有限公司 | Method for acquiring high-quality sulfur concentrates from copper tailings |
| CN103157559A (en) * | 2013-03-26 | 2013-06-19 | 金堆城钼业股份有限公司 | Roughing process for increasing molybdenum recovery ratio |
| CN104372179A (en) * | 2013-12-19 | 2015-02-25 | 厦门紫金矿冶技术有限公司 | Method for comprehensively recovering gold from gold-containing molybdenite |
| CN104674026A (en) * | 2014-12-03 | 2015-06-03 | 厦门紫金矿冶技术有限公司 | Method for extracting gold from gold-containing molybdenum concentrate |
| CN104772220A (en) * | 2015-03-11 | 2015-07-15 | 铜陵鑫腾矿业科技有限公司 | Copper oxide ore flotation agent |
| CN106269264A (en) * | 2016-08-10 | 2017-01-04 | 洛阳栾川钼业集团股份有限公司 | Cyanide does the method reclaiming copper in the molybdenum cleaner tailings of copper-cobalt ore inhibitor |
| CN108179279A (en) * | 2018-03-20 | 2018-06-19 | 沈阳有色金属研究院有限公司 | A kind of gold cyaniding leaching agent and its application in cyanide gold-leaching technique |
| CN111068922A (en) * | 2019-12-09 | 2020-04-28 | 昆明理工大学 | Copper, molybdenum and sulfur polymetallic separation flotation method |
| CN111068900A (en) * | 2019-12-23 | 2020-04-28 | 西安西北有色地质研究院有限公司 | Method for separating high-quality molybdenum concentrate from lead-containing molybdenum ore |
| CN111359773A (en) * | 2020-03-16 | 2020-07-03 | 河北省地质实验测试中心 | Preparation method of high-quality molybdenum concentrate |
| CN114210465A (en) * | 2021-12-14 | 2022-03-22 | 西藏华泰龙矿业开发有限公司 | Method for separating copper and molybdenum from low-grade copper-molybdenum ore by taking backwater utilization into consideration |
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| CN101927213A (en) * | 2009-06-26 | 2010-12-29 | 西北有色金属研究院 | Flotation separation method for molybdenite and galena |
| CN101831542A (en) * | 2010-04-23 | 2010-09-15 | 北京科技大学 | Method for extracting metallic elements of ferrum, magnesium and calcium from molybdenum milltailings |
| CN101831542B (en) * | 2010-04-23 | 2012-06-06 | 北京科技大学 | Method for extracting metallic elements of ferrum, magnesium and calcium from molybdenum milltailings |
| CN101956073A (en) * | 2010-08-17 | 2011-01-26 | 河南中原黄金冶炼厂有限责任公司 | Process for recycling gold and silver refined waste liquid |
| CN102441492A (en) * | 2011-09-21 | 2012-05-09 | 紫金矿业集团股份有限公司 | Method for acquiring high-quality sulfur concentrates from copper tailings |
| CN102441492B (en) * | 2011-09-21 | 2013-08-14 | 紫金矿业集团股份有限公司 | Method for acquiring high-quality sulfur concentrates from copper tailings |
| CN103157559A (en) * | 2013-03-26 | 2013-06-19 | 金堆城钼业股份有限公司 | Roughing process for increasing molybdenum recovery ratio |
| CN103157559B (en) * | 2013-03-26 | 2014-12-24 | 金堆城钼业股份有限公司 | Roughing process for increasing molybdenum recovery ratio |
| CN104372179A (en) * | 2013-12-19 | 2015-02-25 | 厦门紫金矿冶技术有限公司 | Method for comprehensively recovering gold from gold-containing molybdenite |
| CN104674026A (en) * | 2014-12-03 | 2015-06-03 | 厦门紫金矿冶技术有限公司 | Method for extracting gold from gold-containing molybdenum concentrate |
| CN104772220A (en) * | 2015-03-11 | 2015-07-15 | 铜陵鑫腾矿业科技有限公司 | Copper oxide ore flotation agent |
| CN106269264A (en) * | 2016-08-10 | 2017-01-04 | 洛阳栾川钼业集团股份有限公司 | Cyanide does the method reclaiming copper in the molybdenum cleaner tailings of copper-cobalt ore inhibitor |
| CN108179279A (en) * | 2018-03-20 | 2018-06-19 | 沈阳有色金属研究院有限公司 | A kind of gold cyaniding leaching agent and its application in cyanide gold-leaching technique |
| CN111068922A (en) * | 2019-12-09 | 2020-04-28 | 昆明理工大学 | Copper, molybdenum and sulfur polymetallic separation flotation method |
| CN111068900A (en) * | 2019-12-23 | 2020-04-28 | 西安西北有色地质研究院有限公司 | Method for separating high-quality molybdenum concentrate from lead-containing molybdenum ore |
| CN111068900B (en) * | 2019-12-23 | 2021-12-10 | 西安西北有色地质研究院有限公司 | Method for separating high-quality molybdenum concentrate from lead-containing molybdenum ore |
| CN111359773A (en) * | 2020-03-16 | 2020-07-03 | 河北省地质实验测试中心 | Preparation method of high-quality molybdenum concentrate |
| CN114210465A (en) * | 2021-12-14 | 2022-03-22 | 西藏华泰龙矿业开发有限公司 | Method for separating copper and molybdenum from low-grade copper-molybdenum ore by taking backwater utilization into consideration |
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| CN101451187B (en) | 2010-09-01 |
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