CN107185724A - A kind of method for floating that gold sulphide ores are reclaimed from tailings - Google Patents

A kind of method for floating that gold sulphide ores are reclaimed from tailings Download PDF

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Publication number
CN107185724A
CN107185724A CN201710650912.7A CN201710650912A CN107185724A CN 107185724 A CN107185724 A CN 107185724A CN 201710650912 A CN201710650912 A CN 201710650912A CN 107185724 A CN107185724 A CN 107185724A
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CN
China
Prior art keywords
gold
sulphide ores
tailings
reclaimed
makees
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710650912.7A
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Chinese (zh)
Inventor
魏宗武
钟景裕
谢尚文
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Silver Gold And Antimony Trade Co Ltd
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Silver Gold And Antimony Trade Co Ltd
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Priority to CN201710650912.7A priority Critical patent/CN107185724A/en
Publication of CN107185724A publication Critical patent/CN107185724A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/001—Flotation agents
    • B03D1/018—Mixtures of inorganic and organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/005—Dispersants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/02—Collectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/04—Frothers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2201/00—Specified effects produced by the flotation agents
    • B03D2201/06—Depressants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00—Specified materials treated by the flotation agents; specified applications
    • B03D2203/02—Ores
    • B03D2203/025—Precious metal ores

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The present invention relates to a kind of method for floating that gold sulphide ores are reclaimed from tailings, mineral dispersant is made using calgon, sodium citrate makees gangue mineral inhibitor, vulcanized sodium, ammonium hydrogen carbonate, copper sulphate make the activator of gold sulphide ores, lauryl amine makees gold sulphide ores collecting agent with amyl group xanthate, and 2# oil makees foaming agent and obtains Gold Concentrate under Normal Pressure to gold sulphide ores progress collecting in tailings.Gold sulphide ores in tailings can effectively be reclaimed, under conditions of to ore deposit gold content for 3.28~4.50g/t, antimony 0.41~0.43%, it is selected twice by three times three choosings of one roughing, the final gold grade that obtains is 23.17~28.56 g/t, antimony grade 4.53~4.87%, and the rate of recovery is respectively 75.21~77.63% and 73.60~74.55% containing antimony gold concentrate.

Description

A kind of method for floating that gold sulphide ores are reclaimed from tailings
Technical field
It is particularly a kind of that gold sulphide ores are reclaimed from tailings the present invention relates to a kind of flotation recovery method of gold sulphide ores Method for floating.
Background technology
In gold sulphide ores ore dressing, gold sulphide ores often due to disseminated grain size is thin, liberation degree of minerals not enough, surface oxidation, The reasons such as technique of preparing level and lose in mine tailing.These mine tailings are agglomerating, embedding due to the low, surface oxidation of useful value, bonding Cloth fine size and it is mixed with debris and is stored in by long-term heap in Tailings Dam；The time stored up is longer, the valuable mineral Surface Oxygen in mine tailing Change deeper, the difficulty of valuable metal recovery is bigger.As mineral resources are petered out, golden price rally is difficult in Tailings Dam The gold sulphide ores of choosing then turn into valuable secondary resource, and the secondary resource of this part oxygen sulphur symbiosis how is reclaimed as far as possible turns into current The focus of ore dressing circle research.
The content of the invention
It is an object of the invention to provide a kind of method for floating that gold sulphide ores are reclaimed from tailings, it can be reclaimed in tailings Valuable gold sulphide ores.
The present invention reaches above-mentioned purpose using following technical scheme：A kind of flotation side that gold sulphide ores are reclaimed from tailings Method, it is characterised in that：Mineral dispersant is made using calgon, sodium citrate makees gangue mineral inhibitor, vulcanized sodium, carbonic acid Hydrogen ammonium, copper sulphate make the activator of gold sulphide ores, and lauryl amine makees gold sulphide ores collecting agent with amyl group xanthate, and 2# oil makees foaming agent, Concretely comprise the following steps：In floatation process, after mine tailing ore grinding to 400 mesh, by above-mentioned dispersant, inhibitor, activator and collecting agent It is configured to the aqueous solution to be proportionally added into, the addition of foaming agent stoste scans recleaning three times by one roughing and obtains Gold Concentrate under Normal Pressure；
Each dosing is：
The g/t of calgon 150~160,
The g/t of sodium citrate 800~1000,
The g/t of vulcanized sodium 1000~1200,
The g/t of ammonium hydrogen carbonate 150~200,
The g/t of copper sulphate 120~150,
The g/t of lauryl amine 50~60
The g/t of amyl group xanthate 150~160,
The g/t of 2# oil 40~50.
The solution percentage concentration by weight that the medicament is prepared is：
Calgon 1~2%, sodium citrate 1~2%, vulcanized sodium 5~10%, ammonium hydrogen carbonate 1~2%, copper sulphate 1~ 2%, lauryl amine 1~2%, amyl group xanthate 1~2%, 2# oil presses stoste.
Beneficial effects of the present invention are：Flowage structure is simple, can reclaim the gold sulphide ores in tailings, obtain higher The Gold Concentrate under Normal Pressure of grade and the rate of recovery, realizes resource comprehensive utilization.
Embodiment
Embodiment 1
Raw mineral materials：
Material used is gold ore flotation tailings, and gold content is 3.28 g/t, antimony 0.41% in tailings.Material phase analysis shows：Containing gold mine Thing has in quartz also gold sulphide ores based on mispickel, pyrite and magnetic iron ore, separately, and antimony is based on stibnite thing, brightness antimony Containing gold in ore deposit.
Floating agent and operating condition:
The g/t of calgon 150
The g/t of sodium citrate 800
The g/t of vulcanized sodium 1000
The g/t of ammonium hydrogen carbonate 150
The g/t of copper sulphate 120
The g/t of lauryl amine 50
The g/t of amyl group xanthate 150
40 g/t of 2# oil
In floatation process, after mine tailing ore grinding to -400 mesh, each medicament is configured to solution, and addition calgon is made mineral and disperseed Agent, vulcanized sodium, ammonium hydrogen carbonate, copper sulphate make gold sulphide ores activator, and sodium citrate makees gangue mineral inhibitor, lauryl amine and penta Base xanthate makees gold sulphide ores collecting agent, and 2# oil makees foaming agent and carries out collecting to gold sulphide ores, and 2 are scanned three times by one roughing Secondary selected Gold Concentrate under Normal Pressure.Tested by above-mentioned technological parameter, as a result showing can be effective using process above and agentia condition Gold sulphide ores in tailings are reclaimed, under conditions of to ore deposit gold content for 3.28 g/t, antimony 0.41%, by one roughing Three times three choosings are selected twice, and the final gold grade that obtains is 23.17 g/t, antimony grade 4.53%, and the rate of recovery is respectively 75.21% He 73.60% contain antimony gold concentrate.
Embodiment 2
Raw mineral materials：
Material used is gold ore flotation tailings, and gold content is 3.77 g/t, antimony 0.35% in tailings.Material phase analysis shows：Containing gold mine Thing has in quartz also gold sulphide ores based on mispickel, pyrite and magnetic iron ore, separately, and antimony is based on stibnite thing, brightness antimony Containing gold in ore deposit.
Floating agent and operating condition:
Calgon 155g/t
The g/t of sodium citrate 900
The g/t of vulcanized sodium 1100
The g/t of ammonium hydrogen carbonate 180
The g/t of copper sulphate 135
The g/t of lauryl amine 55
The g/t of amyl group xanthate 155
45 g/t of 2# oil
In floatation process, after mine tailing ore grinding to -400 mesh, add calgon and make mineral dispersant, vulcanized sodium, bicarbonate Ammonium, copper sulphate make gold sulphide ores activator, and sodium citrate makees gangue mineral inhibitor, and lauryl amine makees gold sulphide ores with amyl group xanthate Collecting agent, 2# oil makees foaming agent and carries out collecting to gold sulphide ores, and scanning recleaning three times by one roughing obtains Gold Concentrate under Normal Pressure.Press Above-mentioned technological parameter is tested, and as a result shows effectively to enter gold sulphide ores in tailings using process above and agentia condition Row is reclaimed, selected twice by three times three choosings of one roughing under conditions of to ore deposit gold content for 3.77 g/t, antimony 0.35%, most It is 26.50 g/t, antimony grade 3.89% to obtain gold grade eventually, and the rate of recovery is respectively 76.14% and 70.11% containing antimony gold concentrate.
Embodiment 3
Raw mineral materials：
Material used is gold ore flotation tailings, and gold content is 4.50 g/t, antimony 0.431% in tailings.Material phase analysis shows：Containing gold Mineral have in quartz also gold sulphide ores based on mispickel, pyrite and magnetic iron ore, separately, and antimony is based on stibnite thing, brightness Containing gold in antimony ore.
Floating agent and operating condition:
The g/t of calgon 160
The g/t of sodium citrate 1000
The g/t of vulcanized sodium 1200
The g/t of ammonium hydrogen carbonate 200
The g/t of copper sulphate 150
The g/t of lauryl amine 60
The g/t of amyl group xanthate 160
50 g/t of 2# oil
In floatation process, after mine tailing ore grinding to -400 mesh, add calgon and make mineral dispersant, vulcanized sodium, bicarbonate Ammonium, copper sulphate make gold sulphide ores activator, and sodium citrate makees gangue mineral inhibitor, and lauryl amine makees gold sulphide ores with amyl group xanthate Collecting agent, 2# oil makees foaming agent and carries out collecting to gold sulphide ores, and scanning recleaning three times by one roughing obtains Gold Concentrate under Normal Pressure.Press Above-mentioned technological parameter is tested, and as a result shows effectively to enter gold sulphide ores in tailings using process above and agentia condition Row is reclaimed, selected twice by three times three choosings of one roughing under conditions of to ore deposit gold content for 4.50g/t, antimony 0.43%, most It is 28.56 g/t, antimony grade 4.87% to obtain gold grade eventually, and the rate of recovery is respectively 77.63% and 74.55% containing antimony gold concentrate.

Claims (2)

1. a kind of method for floating that gold sulphide ores are reclaimed from tailings, it is characterised in that：Make mineral using calgon to disperse Agent, sodium citrate makees gangue mineral inhibitor, and vulcanized sodium, ammonium hydrogen carbonate, copper sulphate make the activator of gold sulphide ores, lauryl amine with Amyl group xanthate makees gold sulphide ores collecting agent, and 2# oil is made foaming agent, concretely comprised the following steps：In floatation process, by mine tailing ore grinding to 400 After mesh, above-mentioned dispersant, inhibitor, activator and collecting agent are configured to the aqueous solution and are proportionally added into, the addition of foaming agent stoste, Recleaning, which is scanned, by one roughing three times obtains Gold Concentrate under Normal Pressure；
Each dosing is：
The g/t of calgon 150~160,
The g/t of sodium citrate 800~1000,
The g/t of vulcanized sodium 1000~1200,
The g/t of ammonium hydrogen carbonate 150~200,
The g/t of copper sulphate 120~150,
The g/t of lauryl amine 50~60
The g/t of amyl group xanthate 150~160,
The g/t of 2# oil 40~50.
2. a kind of method for floating that gold sulphide ores are reclaimed from tailings as claimed in claim 1, it is characterised in that：The medicament The solution of preparation percentage concentration by weight is：
Calgon 1~2%, sodium citrate 1~2%, vulcanized sodium 5~10%, ammonium hydrogen carbonate 1~2%, copper sulphate 1~ 2%, lauryl amine 1~2%, amyl group xanthate 1~2%, 2# oil presses stoste.
CN201710650912.7A 2017-08-02 2017-08-02 A kind of method for floating that gold sulphide ores are reclaimed from tailings Pending CN107185724A (en)

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CN201710650912.7A CN107185724A (en) 2017-08-02 2017-08-02 A kind of method for floating that gold sulphide ores are reclaimed from tailings

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482359A (en) * 2018-11-16 2019-03-19 西北矿冶研究院 Method for recovering gold from flotation tailings
CN110923445A (en) * 2019-10-18 2020-03-27 广西森合高新科技股份有限公司 Method for recovering tailings of non-cyanide gold beneficiation
CN114471955A (en) * 2022-01-05 2022-05-13 肃北县金鹰黄金有限责任公司 Method for efficiently recovering gold in tailings based on flotation process
CN114774687A (en) * 2022-04-29 2022-07-22 厦门紫金矿冶技术有限公司 Method for recovering gold and copper from oxygen-sulfur mixed copper-containing arsenic-containing refractory gold ore
CN114471955B (en) * 2022-01-05 2024-04-30 肃北县金鹰黄金有限责任公司 Method for efficiently recycling gold in tailings based on flotation technology

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109482359A (en) * 2018-11-16 2019-03-19 西北矿冶研究院 Method for recovering gold from flotation tailings
CN110923445A (en) * 2019-10-18 2020-03-27 广西森合高新科技股份有限公司 Method for recovering tailings of non-cyanide gold beneficiation
CN114471955A (en) * 2022-01-05 2022-05-13 肃北县金鹰黄金有限责任公司 Method for efficiently recovering gold in tailings based on flotation process
CN114471955B (en) * 2022-01-05 2024-04-30 肃北县金鹰黄金有限责任公司 Method for efficiently recycling gold in tailings based on flotation technology
CN114774687A (en) * 2022-04-29 2022-07-22 厦门紫金矿冶技术有限公司 Method for recovering gold and copper from oxygen-sulfur mixed copper-containing arsenic-containing refractory gold ore
CN114774687B (en) * 2022-04-29 2024-01-16 厦门紫金矿冶技术有限公司 Method for recovering gold and copper from oxygen-sulfur mixed copper-containing arsenic-containing refractory gold ore

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