CN107684972A - A kind of more ore deposits of step further utilization mutually carry the group technology of Results of Gold in Auriferous Ore Samples - Google Patents
A kind of more ore deposits of step further utilization mutually carry the group technology of Results of Gold in Auriferous Ore Samples Download PDFInfo
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- CN107684972A CN107684972A CN201610638428.8A CN201610638428A CN107684972A CN 107684972 A CN107684972 A CN 107684972A CN 201610638428 A CN201610638428 A CN 201610638428A CN 107684972 A CN107684972 A CN 107684972A
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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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
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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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
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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
- 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 invention discloses the group technology that a kind of more ore deposits of step further utilization mutually carry Results of Gold in Auriferous Ore Samples, comprise the following steps：(1) ore is milled to certain particle size, fast-flotation is carried out to the easily floating rusty gold for carrying mock gold and monomer dissociation of complete crystallization, obtains Gold Concentrate under Normal Pressure 1；(2) to the fast-flotation mine tailing of step (1), collecting agent as regulator and is added to carrying out intensified Daqu by load mock gold of the limonite explanation into residual using sodium carbonate, vulcanized sodium, sodium metasilicate and copper sulphate；(3) rough concentrate that is obtained to intensified Daqu carry out it is selected obtain Gold Concentrate under Normal Pressure 2, merging with the Gold Concentrate under Normal Pressure 1 that fast-flotation obtains turns into final flotation concentrate；Chats caused by selected is incorporated to the mine tailing after intensified Daqu, turns into final flotation tailing；(4) cyaniding leaching extraction gold is carried out after caused final flotation tailing being regrinded depending on ore properties or do not regrinded.The step further utilization of Results of Gold in Auriferous Ore Samples is mutually carried using the achievable more ore deposits of the present invention, improves resource utilization.
Description
Technical field
The present invention relates to the group technology that a kind of more ore deposits of step further utilization mutually carry Results of Gold in Auriferous Ore Samples.
Background technology
Gold Abundances in the earth's crust are very low, have the properties such as thiophilicity, affinity for iron again, therefore, for the more ore deposit phases of nature
Gold ore is carried, sorts that the enrichment flow of gold is varied, and golden gold-carrying minerals are more various, complicated, the recycling of corresponding gold
Flow, technique, regime of agent are just all the more complicated.The existing part multiphase in China is carried in gold ore, and golden gold-carrying minerals include Huang
Iron ore, pyrite, gangue crack gold or/and packed in gangue gold by limonite explanation into residual.Using traditional technological process,
Regime of agent is difficult to obtain preferable technical indicator.
The content of the invention
It is an object of the invention to provide the group technology that a kind of more ore deposits of step further utilization mutually carry Results of Gold in Auriferous Ore Samples, to fill
Divide the gold reclaimed in the species ore, improve resource utilization.
More ore deposits mutually carry the easily floating rusty gold, brown for carrying mock gold, monomer dissociation that gold ore refers to complete crystallization
Iron ore hands over the load mock gold into residual, gangue crack gold or/and packed in gangue gold；The step further utilization refers to be directed to
The substep that the distribution characteristics of such Gold in Ores is carried out recycles.
The design principle of the present invention is as follows：
Fast-flotation is carried out to the easily floating rusty gold for carrying mock gold and monomer dissociation of complete crystallization；Floating to hardly possible is brown
The load mock gold that iron ore is handed over into residual carries out intensified Daqu；The rough concentrate progress obtained to intensified Daqu is selected, after selected
Chats be incorporated to the mine tailing after intensified Daqu to improve gold grade in Gold Concentrate under Normal Pressure；Chats after selected and intensified Daqu mine tailing are closed
And gangue crack gold or/and packed in gangue gold progress Cyanide Leaching in the true tailings of gained.
Specifically, to achieve the above object, the present invention uses following technical scheme：
A kind of more ore deposits of step further utilization mutually carry the group technology of Results of Gold in Auriferous Ore Samples, comprise the following steps：
(1) fast-flotation：
Ore is milled to certain particle size, the easily floating rusty gold for carrying mock gold and monomer dissociation of complete crystallization is carried out soon
Fast flotation, obtain Gold Concentrate under Normal Pressure 1；
(2) intensified Daqu：
To the fast-flotation mine tailing of step (1), made depending on ore properties using sodium carbonate, vulcanized sodium, sodium metasilicate and copper sulphate
For regulator and collecting agent is added to carrying out intensified Daqu by load mock gold of the limonite explanation into residual；
(3) rough concentrate obtained to intensified Daqu carries out the selected Gold Concentrate under Normal Pressure 1 for obtaining Gold Concentrate under Normal Pressure 2, being obtained with fast-flotation
Merging turns into final flotation concentrate；In order to ensure the gold grade in intensified Daqu section Gold Concentrate under Normal Pressure, selected caused chats is incorporated to by force
Change the mine tailing after flotation, turn into final flotation tailing；
(4) Cyanide Leaching of true tailings：
Cyaniding leaching extraction is carried out after caused final flotation tailing is regrinded depending on ore properties or do not regrinded
Gold.
In the step (1), it is -0.074mm 65%-95% that ore is milled into granularity；Medicament is used in fast-flotation
Lime and ammonium dibutyl dithiophosphate, dosage are respectively 500-1500g/ (t raw ores) and 10-30g/ (t raw ores).
In the step (2), sodium carbonate, vulcanized sodium, the proportioning of sodium metasilicate are 2: 1: 1 in the regulator, sodium carbonate
Minimum amount be 500g/ (t milling ores)；The dosage of copper sulphate is 0-500g/ (t milling ores)；Collecting agent is by dibutyl
Phosphordithiic acid ammonium and sodium xanthogenate are formulated in 1: 2,1: 1 or 2: 1 or 3: 1 ratio；The total dosage of collecting agent is 20-
120g/ (t milling ores), the number of carbon is 2-5 in the carbochain of sodium xanthogenate.
In the step (3), after regrinding or not regrinding, the mog of final flotation tailing is -0.074mm65%-
95%, pH to more than 11 is adjusted with lime, addition Cymag is more than 0.5kg/ (the final flotation tailings of t).
The advantage of the invention is that：
It can realize that more ore deposits mutually carry the step further utilization of Results of Gold in Auriferous Ore Samples using the group technology of the present invention, to greatest extent
The gold in gold ore is mutually carried using more ore deposits, improves resource utilization.
Brief description of the drawings
Fig. 1 is that the flow of " a kind of more ore deposits of step further utilization mutually carry the group technology of Results of Gold in Auriferous Ore Samples " of the invention is illustrated
Figure.
Fig. 2 is the schematic flow sheet of " single flotation " technique in the prior art.
Fig. 3 is the schematic flow sheet of " single leaching " technique in the prior art.
Fig. 4 is the schematic flow sheet of " gravity treatment-flotation combined " technique in the prior art.
Fig. 5 is the schematic flow sheet of " gravity treatment-leaching joint " in the prior art technique.
Fig. 6 is the schematic flow sheet of " flotation-mine tailing Cyanide Leaching " technique in the prior art.
Embodiment
Below by way of specific embodiment, the present invention will be further described, but those embodiments are only limitted to explain the present invention,
Protection scope of the present invention should include the full content of claim, be not limited only to the present embodiment.
Embodiment 1
Henan Dong Wan little Nan ditch ore bodies, containing golden 1.55g/t, Ca 0.56%, Mg 0.84%, Pb 0.020%, Zn
0.062%, Cu 0.004%, Fe 4.67%, Al2O313.26%, SiO263.21%, As ＜ 0.005%, S 0.84%.
More ore deposits, which mutually carry gold ore, to be included the easily floating load mock gold of complete crystallization, the rusty gold of monomer dissociation, is handed over by limonite into residual
Load mock gold, gangue crack gold or/and the packed in gangue gold stayed.
Step I：Ore is milled to -0.074mm 70%, to complete crystallization it is easily floating carry mock gold, monomer dissociation from
So gold carries out fast-flotation, obtains the Gold Concentrate under Normal Pressure 1 of fast-flotation, and medicament used is lime and ammonium dibutyl dithiophosphate, is used
Amount is respectively 500g/ (t raw ores) and 10g/ (t raw ores)；
Step II：To step I fast-flotation mine tailing, using four kinds of salts (sodium carbonate, vulcanized sodium, sodium metasilicate, sulfuric acid
Copper) as regulator and add collecting agent to by limonite explanation into residual load mock gold carry out intensified Daqu, wherein, carbon
Sour sodium, vulcanized sodium, the proportioning of sodium metasilicate are 2: 1: 1, and the dosage of sodium carbonate is 1000g/ (t milling ores)；The dosage of copper sulphate
For 100g/ (t milling ores)；Collecting agent is formulated by ammonium dibutyl dithiophosphate and sodium xanthogenate by 1: 2；Collecting agent is total
Dosage be 160g/ (t milling ores) sodium xanthogenate carbochain in carbon number be 4.
The rough concentrate obtained to intensified Daqu carries out triple cleaning and obtains Gold Concentrate under Normal Pressure 2, and Gold Concentrate under Normal Pressure 2 is merged into Gold Concentrate under Normal Pressure 1
For final flotation concentrate, mine tailing turns into final flotation tailing after selected caused chats is incorporated to intensified Daqu.
Step III：PH is adjusted to 11.5 after regrinding final flotation tailing caused by step II to -0.074mm 90%,
The Cymag for adding 0.5kg/ (t milling ores) carries out cyaniding leaching extraction gold.
Process chart such as Fig. 1, obtained index are shown in Table 1.
Embodiment 2
Henan Qian He ore bodies, containing golden 4.47g/t, Ca 0.36%, Mg 0.94%, Pb 0.010%, Zn 0.052%,
Fe 6.67%, Al2O312.23%, SiO260.20%, As ＜ 0.005%, S 1.14%.More ore deposits, which mutually carry gold ore, includes knot
Brilliant intact easily floating carries mock gold, the rusty gold of monomer dissociation, split by limonite explanation into load mock gold, the gangue of residual
Gap gold or/and packed in gangue gold.
Step I：Ore is milled to -0.074mm 90%, mock gold, exposed rusty gold are carried to the easily floating of complete crystallization
Fast-flotation is carried out, obtains the Gold Concentrate under Normal Pressure 1 of fast-flotation, medicament used is lime and ammonium dibutyl dithiophosphate, and dosage is divided
Wei not 500g/ (t raw ores) and 15g/ (t raw ores)；
Step II：To step I fast-flotation mine tailing, using four kinds of salts (sodium carbonate, vulcanized sodium, sodium metasilicate, sulfuric acid
Copper) as regulator and add collecting agent to by limonite explanation into residual load mock gold carry out intensified Daqu, wherein, carbon
Sour sodium, vulcanized sodium, the proportioning of sodium metasilicate are 2: 1: 1, and the dosage of sodium carbonate is 1500g/ (t milling ores)；The dosage of copper sulphate
For 150g/ (t milling ores)；Collecting agent is formulated by ammonium dibutyl dithiophosphate and sodium xanthogenate by 1: 1；Collecting agent is total
Dosage be 180g/ (t milling ores) sodium xanthogenate carbochain in carbon number be 4.
The rough concentrate that is obtained to intensified Daqu carry out 3 times it is selected obtain Gold Concentrate under Normal Pressure 2, Gold Concentrate under Normal Pressure 2 merges with Gold Concentrate under Normal Pressure 1 to be turned into
Final flotation concentrate, mine tailing turns into final flotation tailing after selected caused chats is incorporated to intensified Daqu.
Step III：PH is adjusted to 11.5 after not regrinded to final flotation tailing caused by step II, (t is selected in addition 1kg/
Ore) Cymag carry out cyaniding leaching extraction gold.
Process chart is as shown in figure 1, obtained index is shown in Table 2.
Comparative example 1
Ore source is the same as embodiment 1.
Ore is milled to -0.074mm 90%；Medicament used is lime, dibutyl dithio sodium phosphate and butyl xanthic acid
Sodium, dosage are respectively 1000g/ (t raw ores), 50g/ (t raw ores) and 100g/ (t raw ores).By selected 3 times of bulk concentrate, chats is suitable
Sequence returns.Process chart is as shown in Fig. 2 obtained index is shown in Table 1.
Comparative example 2
Ore source is the same as embodiment 1.
Ore is milled to -0.074mm 90%；Medicament used is that lime and Cymag carry out Cyanide Leaching, and pH is adjusted to
11.5, Cymag dosage is 1.5kg/t.
Process chart is as shown in figure 3, obtained index is shown in Table 1.
Comparative example 3
Ore source is the same as embodiment 1.
Ore is milled to -0.074mm 55%, gravity treatment is carried out using Knelson concentrator, obtains gravity concentrate, gravity treatment tail
Ore deposit is regrinded to -0.074mm 90% and carries out flotation, and medicament used is lime, dibutyl dithio sodium phosphate and butyl xanthic acid
Sodium, dosage are respectively 1000g/ (t raw ores), 50g/ (t raw ores) and 100g/ (t raw ores).By selected 3 times of bulk concentrate, chats is suitable
Sequence returns.
Process chart is as shown in figure 4, obtained index is shown in Table 1.
Comparative example 4
Ore source is the same as embodiment 1.
Ore is milled to -0.074mm 55%, gravity treatment is carried out using Knelson concentrator, obtains gravity concentrate, gravity treatment tail
Ore deposit is regrinded to -0.074mm 90% and is stirred leaching, and medicament used is that lime and Cymag carry out Cyanide Leaching, and pH is adjusted to
11.5, Cymag dosage is 1.5kg/t.
Process chart is as shown in figure 5, obtained index is shown in Table 1.
Comparative example 5
Ore source is the same as embodiment 1.
Ore is milled to -0.074mm 70%, the rusty gold of easily floating load mock gold, monomer dissociation to complete crystallization enters
Row fast-flotation, the Gold Concentrate under Normal Pressure of fast-flotation is obtained, medicament used is lime and ammonium dibutyl dithiophosphate, and dosage is respectively
500g/ (t raw ores) and 10g/ (t raw ores)；Flotation tailing is regrinded to -0.074mm 90%, pH is adjusted to 11.5, adds 2kg/
The Cymag of (t milling ores) carries out cyaniding leaching extraction gold.
Process chart is as shown in fig. 6, obtained index is shown in Table 1.
Comparative example 6
Ore source is the same as embodiment 2.
Ore is milled to -0.074mm 90%；Medicament used is lime, dibutyl dithio sodium phosphate and butyl xanthic acid
Sodium, dosage are respectively 1500g/ (t raw ores), 90g/ (t raw ores) and 90g/ (t raw ores).By selected 3 times of bulk concentrate, chats is suitable
Sequence returns.
Process chart is as shown in Fig. 2 obtained index is shown in Table 2.
Comparative example 7
Ore source is the same as embodiment 2.
Ore is milled to -0.074mm 90%；Medicament used is that lime and Cymag carry out Cyanide Leaching, and pH is adjusted to
11.5, Cymag dosage is 2.5kg/t.
Process chart is as shown in figure 3, obtained index is shown in Table 2.
Comparative example 8
Ore source is the same as embodiment 2.
Ore is milled to -0.074mm 55%, gravity treatment is carried out using Knelson concentrator, obtains gravity concentrate, gravity treatment tail
Ore deposit is regrinded to -0.074mm 90% and carries out flotation, and medicament used is lime, dibutyl dithio sodium phosphate and sodium n-butyl-xanthate
Dosage is respectively 1500g/ (t raw ores), 90g/ (t raw ores) and 90g/ (t raw ores).By selected 3 times of bulk concentrate, chats order is returned
Return.
Process chart is as shown in figure 4, obtained index is shown in Table 2.
Comparative example 9
Ore source is the same as embodiment 2.
Ore is milled to -0.074mm 55%, gravity treatment is carried out using Knelson concentrator, obtains gravity concentrate, gravity treatment tail
Ore deposit is regrinded to -0.074mm 90% and is stirred leaching, and medicament used is that lime and Cymag carry out Cyanide Leaching, and pH is adjusted to
11.5, Cymag dosage is 1.5kg/t.
Process chart is as shown in figure 5, obtained index is shown in Table 2.
Comparative example 10
Ore source is the same as embodiment 2.
Ore is milled to -0.074mm 90%, the rusty gold of easily floating load mock gold, monomer dissociation to complete crystallization enters
Row fast-flotation, the Gold Concentrate under Normal Pressure of fast-flotation is obtained, medicament used is lime and ammonium dibutyl dithiophosphate, and dosage is respectively
500g/ (t raw ores) and 15g/ (t raw ores)；Flotation tailing pH is adjusted to 11.5, addition 2kg/ (t milling ores) Cymag enters
Row cyaniding leaching extraction gold.
Process chart is as shown in fig. 6, obtained index is shown in Table 2.
Table 1
Table 2
It was found from Tables 1 and 2：1) compared with comparative example 1, the present invention is incorporated to mine tailing by intensified Daqu, chats and soaked together
Go out, improve the grade of Gold Concentrate under Normal Pressure and the overall recovery of gold；2) compared with comparative example 2,3,4 or 6,7,8, the present invention will be wrapped in
The pyrite of complete crystallization and by limonite explanation into the pyrite of residual, the gold that is not easy in the pyrite by Cyanide Leaching
It is enriched in respectively by fast-flotation and intensified Daqu in Gold Concentrate under Normal Pressure, and in order to ensure gold concentrate grade, by intensified Daqu
Ore deposit does not return sequentially, but is incorporated to mine tailing and carries out Cyanide Leaching, so as to ensure that the overall recovery of gold concentrate grade and gold simultaneously；
3) compared with comparative example 5 or 9, under identical mog, the present invention will be wrapped in the yellow iron handed over by limonite into residual
In ore deposit, the gold that is not easy in the pyrite by Cyanide Leaching be enriched in by intensified Daqu in Gold Concentrate under Normal Pressure, and in order to ensure aurin
Ore deposit grade, the chats of intensified Daqu is not returned sequentially, but be incorporated to mine tailing and carry out Cyanide Leaching, so as to ensure that aurin simultaneously
The overall recovery of ore deposit grade and gold；It is most of to be handed over by limonite into residual due to there is no intensified Daqu step in comparative example 5 or 9
The load mock gold stayed enters true tailings, and under identical mog, the part gold can not be leached, and such as be intended to reclaim this portion
Parting, it is necessary to take the steps such as further fine grinding or roasting, pre-oxidation, this for the Leaching of Gold from the mine tailing of big yield and
Speech, from financial cost for, it is clear that be irrational.
Therefore, present invention process greatly improves mineral processing index and resource utilization compared with traditional handicraft, has significant
Superiority.
Claims (6)
1. a kind of more ore deposits of step further utilization mutually carry the group technology of Results of Gold in Auriferous Ore Samples, it is characterised in that comprise the following steps：
(1) fast-flotation：
Ore is milled to certain particle size, the easily floating rusty gold for carrying mock gold and monomer dissociation of complete crystallization is quickly floated
Choosing, obtains Gold Concentrate under Normal Pressure 1；
(2) intensified Daqu：
To the fast-flotation mine tailing of step (1), depending on ore properties using sodium carbonate, vulcanized sodium, sodium metasilicate and copper sulphate as tune
Whole dose and add collecting agent to by limonite explanation into residual load mock gold carry out intensified Daqu；
(3) rough concentrate that is obtained to intensified Daqu carry out it is selected obtain Gold Concentrate under Normal Pressure 2, merge with the Gold Concentrate under Normal Pressure 1 that fast-flotation obtains
As final flotation concentrate；Chats caused by selected is incorporated to the mine tailing after intensified Daqu, turns into final flotation tailing；
(4) Cyanide Leaching of true tailings：
Cyaniding leaching extraction gold is carried out after caused final flotation tailing is regrinded depending on ore properties or do not regrinded.
2. the more ore deposits of step further utilization according to claim 1 mutually carry the group technology of Results of Gold in Auriferous Ore Samples, it is characterised in that
In the step (1), it is -0.074mm 65%-95% that ore is milled into granularity.
3. the more ore deposits of step further utilization according to claim 1 mutually carry the group technology of Results of Gold in Auriferous Ore Samples, it is characterised in that
In the step (1), medicament used in fast-flotation is lime and ammonium dibutyl dithiophosphate, and dosage is respectively 500-
1500g/ (t raw ores) and 10-30g/ (t raw ores).
4. the more ore deposits of step further utilization according to claim 1 mutually carry the group technology of Results of Gold in Auriferous Ore Samples, it is characterised in that
In the step (2), sodium carbonate, vulcanized sodium, the proportioning of sodium metasilicate are 2: 1: 1 in the regulator；The dosage of copper sulphate is
0-500g/ (t milling ores)；Collecting agent is by ammonium dibutyl dithiophosphate and sodium xanthogenate by 1: 2,1: 1 or 2: 1 or 3: 1
Ratio is formulated；The total dosage of collecting agent is 20-120g/ (t milling ores), and the number of carbon is 2-5 in the carbochain of sodium xanthogenate.
5. the more ore deposits of step further utilization according to claim 3 mutually carry the group technology of Results of Gold in Auriferous Ore Samples, it is characterised in that
The minimum amount of the sodium carbonate is 500g/ (t milling ores).
6. the more ore deposits of step further utilization according to claim 1 mutually carry the group technology of Results of Gold in Auriferous Ore Samples, it is characterised in that
In the step (3), after regrinding or not regrinding, the mog of final flotation tailing is -0.074mm65%-95%, uses stone
Ash adjustment pH to more than 11, addition Cymag are more than 0.5kg/ (the final flotation tailings of t).
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940603A (en) * | 2018-06-15 | 2018-12-07 | 西北矿冶研究院 | Combined collecting agent for improving production index of carbon-containing gold ore and application of combined collecting agent in flotation of carbon-containing gold ore |
| CN110170372A (en) * | 2019-05-24 | 2019-08-27 | 嵩县金牛有限责任公司 | Method for treating mixed gold ore by flotation and middling leaching process |
| CN110711647A (en) * | 2019-11-08 | 2020-01-21 | 长春黄金研究院有限公司 | Flotation method for high-grade lean sulfide gold-bearing ore |
| CN113617495A (en) * | 2021-08-06 | 2021-11-09 | 山西路桥建设集团有限公司 | Crushing, sorting and gradient utilization method of tailing slag |
| 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 |
| CN114618684A (en) * | 2022-03-14 | 2022-06-14 | 长沙矿山研究院有限责任公司 | Flotation method for enhanced gold-loaded pyrite in high-mud environment |
| 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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| CN108940603A (en) * | 2018-06-15 | 2018-12-07 | 西北矿冶研究院 | Combined collecting agent for improving production index of carbon-containing gold ore and application of combined collecting agent in flotation of carbon-containing gold ore |
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| CN110170372B (en) * | 2019-05-24 | 2021-03-02 | 嵩县金牛有限责任公司 | Method for treating mixed gold ore by flotation and middling leaching process |
| CN110711647A (en) * | 2019-11-08 | 2020-01-21 | 长春黄金研究院有限公司 | Flotation method for high-grade lean sulfide gold-bearing ore |
| CN113617495A (en) * | 2021-08-06 | 2021-11-09 | 山西路桥建设集团有限公司 | Crushing, sorting and gradient utilization method of tailing slag |
| 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 |
| CN114618684A (en) * | 2022-03-14 | 2022-06-14 | 长沙矿山研究院有限责任公司 | Flotation method for enhanced gold-loaded pyrite in high-mud environment |
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