CN104874471A - Process for beneficiation and separation of low-grade gold, antimony and tungsten coexistence raw ore - Google Patents
Process for beneficiation and separation of low-grade gold, antimony and tungsten coexistence raw ore Download PDFInfo
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Abstract
The invention discloses a process for beneficiation and separation of low-grade gold, antimony and tungsten coexistence raw ore. By the process, three high-quality products including alloy gold, antimony-gold mixed concentrate and tungsten concentrate are produced by subjecting the low-grade gold, antimony and tungsten coexistence raw ore to beneficiation processes of stagewise ore grinding, stagewise separation and gravity concentration-flotation combining, recovery rate of gold, antimony and tungsten reach about 88%, 96.5% and 62.5% respectively. The process is environment friendly, high in economic benefit and industrially feasible, and comprehensive utilization of mineral resources is realized.
Description
Technical field
The present invention relates to a kind of technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation, belong to technical field of beneficiation.
Background technology
Xiangxi Gold Mine is China's exploitation comparatively morning, and larger golden antimony tungsten mines, gold, antimony, tungsten associated metal mineral products are in bedded vein mineral deposit, and essential mineral has rusty gold, stibnite, scheelite, and gangue is based on quartz.The fertile small stream ore deposit in the western Hunan is the mining area developing the earliest, raw ore essential mineral has rusty gold, stibnite, scheelite, its gold grade 4.08g/t, antimony grade 1.71%, tungsten grade (tungstic acid) 0.206%, also comprises wolframite, pyrite, zincblende, mispickel, galena, chalcopyrite, tetrahedrite, molybdenite, limonite etc.Existing technique is by raw ore through three sections of open circuit mucks, and two sections of closed circuit grinding comminutions, to-0.4mm, are then selected in, and adopts gravity treatment, the combined process flow output mercury gold of flotation and amalgamate, antimony gold concentrate and scheelite gold mine three kinds of products.The rate of recovery of gold, antimony, tungstic acid reaches 86.39% respectively, and 96.62%, 75.06%.But along with the continuous exploitation in fertile small stream ore deposit, mineral resources is fewer and feweri, at present newly developed go out fish mountain mining area, in the golden antimony tungsten paragenetic raw ore in this mining area, antimony grade is all much lower than the head grade in fertile small stream ore deposit with tungsten grade, particularly the ratio accounted for of wolframite wants large, adopts original technique to be difficult to realize the high efficiente callback of gold, tungsten and antimony.Fish mountain ore is compared with the ore properties of fertile small stream ore deposit section, has following four obvious features: the fine size of (1) rusty gold, and substantially without visible gold, and fertile small stream ore has the visible gold of 30% nearly.(2) sulfide containing gold higher than fertile small stream ore (fish mountain ore be 8.85g/t, fertile small stream be 1.17g/t).(3) black, white tungsten ratio is much larger than fertile small stream ore (the black tungsten in fish mountain accounts for 38%).(4) fish mountain ore gold, antimony, tungsten grade are respectively 3.6 ~ 4.0g/t, 0.2% ~ 0.4%, 0.12% ~ 0.14%, and comparatively fertile small stream ore is all low.
Summary of the invention
For the defect that prior art exists, the object of the invention is to be to provide one high efficiente callback gold, antimony and tungsten from low-grade gold antimony tungsten paragenetic raw ore, and obtain the technique of high-quality gold containing material, antimony gold bulk concentrate, tungsten concentrate, this technique environmental protection, achieve the comprehensive utilization of mineral resources, good in economic efficiency.
In order to realize technical purpose of the present invention, the invention provides a kind of technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation, this technique down-hole is gone out grand raw ore by two section of one closed circuit+washup+picking technique fragmentation, breaking ores is after primary grinding classification, enter roughing table, sub-elect table concentrate, shaking table chats and shaking table mine tailing; Table concentrate enters proposes operation between gold, produces gold containing material; Shaking table chats enters groove and floats operation, produces groove and floats antimony gold concentrate; Shaking table mine tailing enters secondary grinding classification, flotation operation, produces tungsten concentrate; Described goes out gold content≤5.2g/t in grand raw ore, antimony grade≤1.319%, tungsten grade≤0.143%, and tungsten is in tungstic acid, and wherein white tungsten accounts for 69% ~ 83%, and black tungsten accounts for 17% ~ 31%.
The technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation of the present invention also comprises following preferred version:
In preferred scheme, primary grinding classification adopts rod mill and spiral classifier to form closed circuit grinding, the overflow granularity (i.e. shaking table feed preparation unit size) of grader accounts for 78% ~ 82% for-40 order granular mass ratios, and-200 order granular mass ratios account for 38% ~ 42%.One section of mill in the present invention program preferably adopts rod milling, make ore milling product granularity evenly, overground phenomenon reduces, thus improves the gravity treatment effect of valuable mineral (particularly tungsten mineral).
In preferred scheme, table concentrate is introduced into the concentrating table proposing operation between gold, and concentrating table concentrate is eluriated through naughty basin successively, with after hydrochloric acid and hydrogen peroxide removal of impurities, obtain gold containing material.
More preferably in scheme, concentrating table mine tailing enters the chats shaking table that groove floats operation.
More preferably wash in a pan basin mine tailing in scheme and regularly return concentrating table.
In preferred scheme, shaking table chats is introduced into chats shaking table, and chats shaking table mine tailing enters groove and floats flotation operation, slightly sweeps two essences, chats order Returning process, obtain groove and float antimony gold concentrate by one.
More preferably in scheme, chats table concentrate enters the concentrating table proposing operation between gold.
More preferably scheme middle slot is floated flotation tailing and is entered groove and float shaking table.
More preferably scheme middle slot floats the concentration of chats shaking table mine tailing in floatation process is 5wt% ~ 10wt%, and granularity accounts for 90% ~ 95% for-40 order granular mass ratios; Unit consumption of medicine is added in groove flotation: sulfuric acid 3200 ~ 4000g/t, adjust ph is 6 ~ 6.5, prodan 5500 ~ 6000g/t, xanthate MA-3 (being commercially available medicament, as bought in Hubei Jingjiang beneficiation reagent Co., Ltd) 5000 ~ 5500g/t, terpenic oil 15 ~ 25g/t.Preferred employing groove of the present invention flotation, can select in priority floating the Au-Sn deposit thing of coarse grain monomer dissociation; Be conducive to follow-up employing shaking table and sort out black and white tungsten mineral, have followed the ore dressing principle of " early receiving receive " more, decrease the phenomenon that valuable mineral is overground.
More preferably scheme middle slot is floated flotation tailing and is floated separation by shaking table by groove and obtain gravity treatment black and white tungsten concentrate and groove floats shaking table mine tailing; Gravity treatment black and white tungsten concentrate also realizes table float by adding 130 ~ 170g/t kerosene, reduces gold, the loss of antimony mineral in gravity treatment black and white tungsten concentrate; Groove floats shaking table mine tailing and enters secondary grinding graded operation.
In preferred scheme, secondary grinding classification adopts ball mill and spiral classifier to form closed circuit grinding, and the overflow granularity of grader accounts for 72 ~ 76% for-200 order granular mass ratios, and classifier overflow enters flotation operation.The recovery of gold, antimony, tungsten three kinds of metals taken into account by secondary grinding of the present invention, preferably ore milling product granularity (i.e. flotation feed preparation unit size) is accounted for about 74% for-200 order granular mass ratios, guarantee three kinds of basic monomer dissociations of metal, and don't easily cause overground phenomenon (particularly tungsten mineral).
Flotation operation more preferably described in scheme first adopts the bulk flotation of antimony gold, obtains flotation antimony gold concentrate; Antimony gold bulk flotation mine tailing, by white tungsten flotation, obtains white tungsten rough concentrate, and white tungsten rough concentrate after overrich low tungsten processing flotation, dephosphorization, obtains flotation of tungsten concentrate successively.
More preferably in scheme, the bulk flotation of antimony gold sweeps two essences, chats order Returning process process by one thick three; Floatation concentration (mineral account for the mass percent concentration of slurry) is 25 ~ 30wt%, and pH value is 7; Unit consumption of medicine is added in the bulk flotation of antimony gold: plumbi nitras 50 ~ 70g/t, copper sulphate 50 ~ 70g/t, xanthate MA-3200 ~ 300g/t, fourth Sodium Aerofloat (conventional commercial product) 40 ~ 60g/t, terpenic oil 20 ~ 50g/t.The bulk flotation of antimony gold preferably adopts collecting agent to adopt xanthate MA-3 and fourth Sodium Aerofloat mixed reagent, ensure that the stable, efficient of gold, antimony recovery index.
More preferably in scheme, white tungsten flotation sweeps two essences, chats order Returning process flow process by one thick three; Floatation concentration is 22wt% ~ 28wt%, and pH value is 9 ~ 10; Add unit consumption of medicine: soda ash 1400 ~ 1600g/t, waterglass 600 ~ 800g/t, xanthate MA-3200 ~ 300g/t, saponification oleic acid 70 ~ 150g/t.
More preferably in scheme, white tungsten rough concentrate is first concentrated into concentration is after 35wt% ~ 50wt%, adopts Dinko Petrov method to heat parsings, resolution temperature 95 ~ 100 DEG C, parsing time 45 ~ 60min; Resolving adopts waterglass, the white tungsten rough concentrate of waterglass unit consumption 80 ~ 120kg/t, and not de-waste liquid after parsing, directly enters low tungsten processing flotation.
More preferably in scheme, low tungsten processing flotation sweeps two essences, chats order Returning process flow process by one thick two; Floatation concentration is 10 ~ 15%; Medicament is added in low tungsten processing flotation: the white tungsten rough concentrate of saponification oleic acid consumption 80 ~ 100g/t.
More preferably in scheme, dephosphorization is realized by hydrochloric acid, and the consumption of hydrochloric acid is that 400 ~ 600kg/t processes flotation concentrate.
What the present invention adopted go out grand raw ore is mainly fertile small stream ore deposit and ore deposit, fish mountain mix gold antimony tungsten ore, generally irrigate small stream ore and fish mountain ore in mass ratio example 2 ~ 3:1 (optimal proportion is 2.5:1) mix.
Hinge structure, the Advantageous Effects that the present invention brings is: according to raw ore valuable mineral thickness grain misproportion dissemination and the lower feature of grade, adopt the mineral processing circuit of " stage grinding, stage grading, heavily floating associating ", the mineral such as energy high efficiente callback gold, antimony and tungsten, prepare matter gold, the golden bulk concentrate of antimony and tungsten concentrate that quality is higher.Technique of the present invention is simple, achieves the comprehensive utilization of mineral resources, high financial profit.The solution of the present invention is specially adapted to the golden antimony tungsten paragenetic raw ore of fish mountain mining area exploitation, or the composite ore gold recovering of the golden antimony tungsten paragenetic raw ore of itself and fertile small stream mining area exploitation, antimony and tungsten metal.
Accompanying drawing explanation
[Fig. 1] is process chart of the present invention.
Detailed description of the invention
Following embodiment is intended to illustrate that content of the present invention instead of the scope to the claims in the present invention protection limit further, and the present invention can implement in any mode described by summary of the invention.
Embodiment 1
By containing golden 5.2g/t, raw ore containing antimony 1.319%, tungstenic 0.158%,-40 orders 81.61% are milled to through primary grinding, enter roughing table to sort, table concentrate enters the concentrating table proposing operation between gold, concentrating table concentrate is eluriated through washing in a pan basin, the gold containing material containing gold 98.34% is obtained, the relative raw ore rate of recovery 21.69% after hydrochloric acid and hydrogen peroxide removal of impurities.
Shaking table chats enters groove and floats operation, after chats shaking table sorts, mine tailing enters groove and floats flotation operation, to ore deposit (i.e. chats shaking table mine tailing) concentration 5.2%, feed preparation unit size-40 order 94.25%, add unit consumption of medicine (relative activity) in table 1, output groove floats antimony gold concentrate, its operation recovery Au:96.96%, Sb:96.28%, WO
3: 7.87%, relative raw ore rate of recovery Au:14.85%, Sb:17.23%, WO
3: 2.23%, groove floats antimony gold concentrate multielement analysis and the results are shown in Table 2.
Table 1 embodiment 1 groove floats floating agent unit consumption (g/t)
Table 2 embodiment 1 groove floats antimony gold concentrate multielement analysis result (%)
| Element | Au(g/t) | Sb | WO 3 | As | SiO 2 |
| Grade | 98.60 | 29.00 | 0.45 | 1.48 | 4.58 |
Groove floats flotation tailing to be added kerosene 152g/t and enters groove and float shaking table, produces gravity treatment black and white tungsten concentrate, its operation recovery Au:2.41%, Sb:0.13%, WO
3: 77.47%, relative raw ore rate of recovery Au:0.011%, Sb:0.001%, WO
3: 20.228%, gravity treatment black and white tungsten concentrate multielement analysis the results are shown in Table 3.
Table 3 embodiment 1 gravity treatment black and white tungsten concentrate multielement analysis result (%)
| Element | Au(g/t) | Sb | WO 3 | P | SiO 2 |
| Grade | 1.20 | 0.024 | 65.51 | 0.073 | 5.74 |
Shaking table mine tailing and groove float shaking table mine tailing and merge and enter secondary grinding classification, classifier overflow enters the bulk flotation of antimony gold, floatation concentration 26.17%, granularity is-200 orders 75.46%, add unit consumption of medicine (relative raw ore) in table 4, produce flotation antimony gold concentrate, its operation recovery Au:82.66%, Sb:97.03%, WO
3: 2.35%, relative raw ore rate of recovery Au:52.45%, Sb:80.32%, WO
3: 1.79%, flotation antimony gold concentrate multielement analysis the results are shown in Table 5.
Table 4 embodiment 1 antimony gold bulk flotation unit consumption of medicine (g/t)
Table 5 embodiment 1 flotation antimony gold concentrate multielement analysis result (%)
| Element | Au(g/t) | Sb | WO 3 | As | SiO 2 | Pb |
| Grade | 70.20 | 27.25 | 0.073 | 1.78 | 21.86 | 0.20 |
Antimony gold bulk flotation mine tailing enters white tungsten flotation, produces white tungsten rough concentrate, its operation recovery Au:11.27%, Sb:11.29%, WO
3: 55.09%, relative raw ore rate of recovery Au:1.24%, Sb:0.28%, WO
3: 41.20%, major technique operating condition is in table 6.
The white tungsten flotation major technique operating condition of table 6 embodiment 1
White tungsten rough concentrate, after being concentrated into concentration 45%, entering to resolve, resolves and add waterglass 79.45kg/t (relative to white tungsten rough concentrate), resolution temperature 95 DEG C, resolve time 45min, and not de-waste liquid after parsing, directly enters low tungsten processing flotation.Saponification oleic acid 98g/t (relative activity) is added in low tungsten processing flotation, produces processing concentrate, its operation recovery WO
3: 95.17%, relative raw ore rate of recovery WO
3: 39.21%, processing concentrate multielement analysis the results are shown in Table 7.
Table 7 embodiment 1 processes concentrate multielement analysis result (%)
| Element | WO 3 | Au(g/t) | S | P | SiO 2 |
| Grade | 61.85 | 3.90 | 1.25 | 0.26 | 3.42 |
Processing concentrate is by adding hydrochloric acid 450kg/t (relative to processing concentrate) dephosphorization, and dephosphorization operation recovery 99%, dephosphorization concentrate and flotation of tungsten concentrate, its multielement analysis the results are shown in Table 8.
Table 8 embodiment 1 flotation of tungsten concentrate multielement analysis result (%)
| Element | WO 3 | S | P | SiO 2 |
| Grade | 65.42 | 1.35 | 0.08 | 4.65 |
Overall recovery Au:88.99%, Sb:97.55%, WO as calculated
3: 59.05%.
Embodiment 2:
By containing golden 4.5g/t, raw ore containing antimony 1.25%, tungstenic 0.143%,-40 orders 82.50% are milled to through primary grinding, enter roughing table to sort, table concentrate enters the concentrating table proposing operation between gold, concentrating table concentrate is eluriated through washing in a pan basin, the gold containing material containing gold 98.12% is obtained, the relative raw ore rate of recovery 20.05% after hydrochloric acid and hydrogen peroxide removal of impurities.
Shaking table chats enters groove and floats operation, after chats shaking table sorts, mine tailing enters groove and floats flotation operation, to ore deposit (i.e. chats shaking table mine tailing) concentration 7.6%, feed preparation unit size-40 order 89.65%, add unit consumption of medicine (relative activity) in table 9, output groove floats antimony gold concentrate, its operation recovery Au:96.02%, Sb:97.15%, WO
3: 8.23%, relative raw ore rate of recovery Au:14.69%, Sb:17.29%, WO
3: 2.33%, groove floats antimony gold concentrate multielement analysis and the results are shown in Table 10.
Table 9 embodiment 2 groove floats floating agent unit consumption (g/t)
Table 10 embodiment 2 groove floats antimony gold concentrate multielement analysis result (%)
| Element | Au(g/t) | Sb | WO 3 | As | SiO 2 |
| Grade | 85.40 | 31.00 | 0.35 | 1.62 | 5.74 |
Groove floats flotation tailing to be added kerosene 145g/t and enters groove and float shaking table, produces gravity treatment black and white tungsten concentrate, its operation recovery Au:2.35%, Sb:0.11%, WO
3: 75.32%, relative raw ore rate of recovery Au:0.010%, Sb:0.001%, WO
3: 19.659%, gravity treatment black and white tungsten concentrate multielement analysis the results are shown in Table 11.
Table 11 embodiment 2 gravity treatment black and white tungsten concentrate multielement analysis result (%)
| Element | Au(g/t) | Sb | WO 3 | P | SiO 2 |
| Grade | 1.00 | 0.018 | 66.20 | 0.075 | 5.26 |
Shaking table mine tailing and groove float shaking table mine tailing and merge and enter secondary grinding classification, classifier overflow enters the bulk flotation of antimony gold, floatation concentration 25.45%, granularity is-200 orders 76.78%, add unit consumption of medicine (relative raw ore) in table 12, produce flotation antimony gold concentrate, its operation recovery Au:81.81%, Sb:96.05%, WO
3: 2.35%, relative raw ore rate of recovery Au:53.38%, Sb:79.44%, WO
3: 1.83%, flotation antimony gold concentrate multielement analysis the results are shown in Table 13.
Table 12 embodiment 2 antimony gold bulk flotation unit consumption of medicine (g/t)
Table 13 embodiment 2 flotation antimony gold concentrate multielement analysis result (%)
| Element | Au(g/t) | Sb | WO 3 | As | SiO 2 | Pb |
| Grade | 65.30 | 29.08 | 0.065 | 1.84 | 18.56 | 0.18 |
Antimony gold bulk flotation mine tailing enters white tungsten flotation, produces white tungsten rough concentrate, its operation recovery Au:8.93%, Sb:7.95%, WO
3: 59.83%, relative raw ore rate of recovery Au:1.06%, Sb:0.26%, WO
3: 45.58%, major technique operating condition is in table 14.
The white tungsten flotation major technique operating condition of table 14 embodiment 2
White tungsten rough concentrate, after being concentrated into concentration 40%, entering to resolve, resolves and add waterglass 86.50kg/t (relative to white tungsten rough concentrate), resolution temperature 95 DEG C, resolve time 45min, and not de-waste liquid after parsing, directly enters low tungsten processing flotation.Saponification oleic acid 84g/t (relative activity) is added in low tungsten processing flotation, produces processing concentrate, its operation recovery WO
3: 96.47%, relative raw ore rate of recovery WO
3: 43.97%, processing concentrate multielement analysis the results are shown in Table 15.
Table 15 embodiment 2 processes concentrate multielement analysis result (%)
| Element | WO 3 | Au(g/t) | S | P | SiO 2 |
| Grade | 60.65 | 3.20 | 1.10 | 0.32 | 3.88 |
Processing concentrate is by adding hydrochloric acid 550kg/t (relative to processing concentrate) dephosphorization, and dephosphorization operation recovery 99.5%, dephosphorization concentrate and flotation of tungsten concentrate, its multielement analysis the results are shown in Table 16.
Table 16 embodiment 2 flotation of tungsten concentrate multielement analysis result (%)
| Element | WO 3 | S | P | SiO 2 |
| Grade | 65.06 | 1.32 | 0.085 | 4.74 |
Overall recovery Au:88.12%, Sb:96.73%, WO as calculated
3: 63.41%.
Claims (15)
1. the technique of a low-grade gold antimony tungsten paragenetic raw ore Mineral separation, it is characterized in that, down-hole is gone out grand raw ore broken by two section of one closed circuit+washup+picking technique, breaking ores is after primary grinding classification, enter roughing table, sub-elect table concentrate, shaking table chats and shaking table mine tailing; Table concentrate enters proposes operation between gold, produces gold containing material; Shaking table chats enters groove and floats operation, produces groove and floats antimony gold concentrate; Shaking table mine tailing enters secondary grinding classification, flotation operation, produces tungsten concentrate; Described goes out gold content≤5.2g/t in grand raw ore, antimony grade≤1.319%, tungsten grade≤0.143%, and tungsten is in tungstic acid, and wherein white tungsten accounts for 69% ~ 83%, and black tungsten accounts for 17% ~ 31%.
2. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 1, it is characterized in that, described primary grinding classification adopts rod mill and spiral classifier to form closed circuit grinding, the overflow granularity of grader accounts for 78% ~ 82% for-40 order granular mass ratios, and-200 order granular mass ratios account for 38% ~ 42%.
3. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 1, it is characterized in that, described table concentrate is introduced into the concentrating table proposing operation between gold, and concentrating table concentrate is eluriated through naughty basin successively, with after hydrochloric acid and hydrogen peroxide removal of impurities, obtain gold containing material.
4. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 3, it is characterized in that, concentrating table mine tailing enters the chats shaking table that groove floats operation; Wash in a pan basin mine tailing and regularly return concentrating table.
5. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 1, it is characterized in that, described shaking table chats is introduced into chats shaking table, and chats shaking table mine tailing enters groove and floats flotation operation, slightly sweep two essences, chats order Returning process by one, obtain groove and float antimony gold concentrate.
6. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 5, it is characterized in that, chats table concentrate enters the concentrating table proposing operation between gold; Groove floats flotation tailing and enters groove and float shaking table.
7. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 5, it is characterized in that, the concentration that described groove floats chats shaking table mine tailing in floatation process is 5wt% ~ 10wt%, and granularity accounts for 90% ~ 95% for-40 order granular mass ratios; Unit consumption of medicine is added in groove flotation: sulfuric acid 3200 ~ 4000g/t, adjust ph is 6 ~ 6.5, prodan 5500 ~ 6000g/t, xanthate MA-35000 ~ 5500g/t, terpenic oil 15 ~ 25g/t.
8. the technique of the low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 5 or 6, is characterized in that, described groove floats flotation tailing and floats separation by shaking table by groove and obtain gravity treatment black and white tungsten concentrate and groove floats shaking table mine tailing; Gravity treatment black and white tungsten concentrate also realizes table float by adding 130 ~ 170g/t kerosene, reduces gold, the loss of antimony mineral in gravity treatment black and white tungsten concentrate; Groove floats shaking table mine tailing and enters secondary grinding graded operation.
9. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 1, it is characterized in that, described secondary grinding classification adopts ball mill and spiral classifier to form closed circuit grinding, the overflow granularity of grader accounts for 72 ~ 76% for-200 order granular mass ratios, and classifier overflow enters flotation operation.
10. the technique of low-grade gold antimony tungsten paragenetic raw ore Mineral separation according to claim 9, is characterized in that, described flotation operation first adopts the bulk flotation of antimony gold, obtains flotation antimony gold concentrate; Antimony gold bulk flotation mine tailing, by white tungsten flotation, obtains white tungsten rough concentrate, and white tungsten rough concentrate after overrich low tungsten processing flotation, dephosphorization, obtains flotation of tungsten concentrate successively.
The technique of 11. low-grade gold antimony tungsten paragenetic raw ore Mineral separations according to claim 10, is characterized in that, described antimony gold bulk flotation sweeps two essences, chats order Returning process process by one thick three; Floatation concentration is 25 ~ 30wt%, and pH value is 7; Unit consumption of medicine is added in the bulk flotation of antimony gold: plumbi nitras 50 ~ 70g/t, copper sulphate 50 ~ 70g/t, xanthate MA-3200 ~ 300g/t, fourth Sodium Aerofloat 40 ~ 60g/t, terpenic oil 20 ~ 50g/t.
The technique of 12. low-grade gold antimony tungsten paragenetic raw ore Mineral separations according to claim 10, is characterized in that, described white tungsten flotation sweeps two essences, chats order Returning process flow process by one thick three; Floatation concentration is 22wt% ~ 28wt%, and pH value is 9 ~ 10; Add unit consumption of medicine: soda ash 1400 ~ 1600g/t, waterglass 600 ~ 800g/t, xanthate MA-3200 ~ 300g/t, saponification oleic acid 70 ~ 150g/t.
The technique of 13. low-grade gold antimony tungsten paragenetic raw ore Mineral separations according to claim 10, it is characterized in that, it is after 35wt% ~ 50wt% that described white tungsten rough concentrate is first concentrated into concentration, adopts Dinko Petrov method to heat parsing, resolution temperature 95 ~ 100 DEG C, resolves time 45 ~ 60min; Resolving adopts waterglass, the white tungsten rough concentrate of waterglass unit consumption 80 ~ 120kg/t, and not de-waste liquid after parsing, directly enters low tungsten processing flotation.
The technique of 14. low-grade gold antimony tungsten paragenetic raw ore Mineral separations according to claim 10, is characterized in that, described low tungsten processing flotation sweeps two essences, chats order Returning process flow process by one thick two; White tungsten rough concentrate concentration is 10 ~ 15wt%; Medicament is added in low tungsten processing flotation: saponification oleic acid consumption 80 ~ 100g/t.
The technique of 15. low-grade gold antimony tungsten paragenetic raw ore Mineral separations according to claim 10, it is characterized in that, described dephosphorization is realized by hydrochloric acid, and the consumption of hydrochloric acid is that 400 ~ 600kg/t processes flotation concentrate.
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| CN110823985B (en) * | 2019-11-19 | 2022-06-28 | 长春黄金研究院有限公司 | Method for measuring dissociation degree of copper mineral monomer |
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| CN113385301A (en) * | 2021-06-21 | 2021-09-14 | 矿冶科技集团有限公司 | Beneficiation method for copper-molybdenum ore |
| CN115007309A (en) * | 2022-06-20 | 2022-09-06 | 长春黄金研究院有限公司 | Antimony and arsenic step separation method for high-arsenic complex antimony gold ore |
| CN115007309B (en) * | 2022-06-20 | 2023-10-20 | 长春黄金研究院有限公司 | Step separation method for antimony and arsenic in high-arsenic complex antimony gold ore |
| CN115921095A (en) * | 2023-01-03 | 2023-04-07 | 湖南新龙矿业有限责任公司 | Method for enriching gold in gold-antimony bulk concentrate |
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