CN102896047B - Method for beneficiating high-peat copper sulphide ore - Google Patents
Method for beneficiating high-peat copper sulphide ore Download PDFInfo
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- CN102896047B CN102896047B CN201210376387.1A CN201210376387A CN102896047B CN 102896047 B CN102896047 B CN 102896047B CN 201210376387 A CN201210376387 A CN 201210376387A CN 102896047 B CN102896047 B CN 102896047B
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000003415 peat Substances 0.000 title claims abstract description 19
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 29
- 239000011707 mineral Substances 0.000 claims abstract description 29
- 238000005188 flotation Methods 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 6
- 239000012141 concentrate Substances 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 229910052569 sulfide mineral Inorganic materials 0.000 claims description 11
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 claims description 10
- 239000003610 charcoal Substances 0.000 claims description 9
- 238000005456 ore beneficiation Methods 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 7
- 239000000837 restrainer Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical group CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 claims description 3
- 238000010494 dissociation reaction Methods 0.000 claims description 3
- 230000005593 dissociations Effects 0.000 claims description 3
- 239000002516 radical scavenger Substances 0.000 claims description 3
- 208000032005 Spinocerebellar ataxia with axonal neuropathy type 2 Diseases 0.000 claims description 2
- 208000033361 autosomal recessive with axonal neuropathy 2 spinocerebellar ataxia Diseases 0.000 claims description 2
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical group CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 238000011084 recovery Methods 0.000 description 8
- 239000010802 sludge Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- VDGMIGHRDCJLMN-UHFFFAOYSA-N [Cu].[Co].[Ni] Chemical compound [Cu].[Co].[Ni] VDGMIGHRDCJLMN-UHFFFAOYSA-N 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- XXEUGVMTDOMTGW-UHFFFAOYSA-N [Cu]=S.[Co].[Ni] Chemical compound [Cu]=S.[Co].[Ni] XXEUGVMTDOMTGW-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052951 chalcopyrite Inorganic materials 0.000 description 2
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 2
- 229910001779 copper mineral Inorganic materials 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- -1 hydromuscovite Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052592 oxide mineral Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for beneficiating high-peat copper sulphide ore and relates to a method for beneficiating nonferrous metals, which specifically relates to a method for beneficiating high-peat copper sulphide ore; regulating agent and composite inhibitor are added before floating ore pulp and after graining raw ore; flotation environment and mineral surface state in ore pulp are improved in the method disclosed by the invention; the inhibition capacity of inhibitor on easily-floated gangue mineral and selective collection of collecting agent on mineral are enhanced; compared with the traditional method for beneficiating pre-deslimed peat, a technical procedure is simplified by the invention; the loss of available mineral caused by pre-deslimed peat is avoided; and the recycle rate of copper is increased by about more than 18%.
Description
Technical field
The invention belongs to non-ferrous metal ore field, relate to a kind of high peat copper sulfide ore beneficiation method.
Background technology
Sludge is on the influence research of flotation and how to eliminate sludge and between nearest 20 ~ 30 years, obtain very fast development on the impact of flotation, has occurred many new floatation process and new floating agent.If containing more sludge in flotation pulp, a series of harmful effect can be brought to flotation.Major effect have following some: be 1. easily entrained in froth pulp, concentrate grade declined; 2. easily cover cap, in coarse grain surface, affects the flotation of coarse grain; 3. adsorb a large amount of medicament, increase reagent consumption; 4. make ore pulp stickness, venting condition degenerates.The technological measure addressed this problem mainly contains: 1. adopt rarer ore pulp, reduces the stickiness of ore pulp, can reduce sludge being mingled with in froth pulp; 2. add dispersant, sludge is disperseed, eliminate slime coating in the illeffects of other mineral surfaces; 3. segmentation dosing in batches, can reduce the consumption of sludge to medicament like this; 4. to flotation again after flotation material predictive desliming.For flotation containing mud, ore that charcoal amount is large, adopt above-mentioned beneficiation method effect undesirable, flotation selects factory's cost higher, and floatation indicators is low.Therefore, for being a thorny difficult problem containing mud, ore floatation that charcoal amount is large always.
Summary of the invention
For containing mud, ore that charcoal amount is large, valuable mineral flotation difficult problem, the object of the invention is to propose a kind of high peat copper sulfide ore beneficiation method.The method adopts the good and selective height of rejection, nontoxic, pollution-free, and the composite restrainer of convenient operation and management, is applied in flotation of ore pulp the impact eliminating peat matter, realizes effective flotation recovery of valuable mineral.
For achieving the above object, technical scheme of the present invention is:
A kind of high peat copper sulfide ore beneficiation method, comprises the following steps:
A, ore grinding: by crushing raw ore, ore grinding to the fineness reclaiming degree of dissociation of mineral monomer >=80%;
B, to roughly select: under the condition of not predictive desliming charcoal, first add adjusting agent vulcanized sodium and size mixing, amount of sodium sulfide is 800 g/t ~ 2000g/t; Then composite restrainer is added as easy-floating gangue inhibitor; Described composite restrainer is made up of calgon 30g/t ~ 300g/t and aluminum sulfate 100g/t ~ 600g/t; Next adds 10g/t ~ 100g/t sulfide mineral collector; Flotation is carried out after stirring;
C, to scan: add 5g/t ~ 50g/t sulfide mineral collector, scan 2 ~ 3 times, the bottom land product scanned is mine tailing, scavenger concentrate order returns previous stage operation;
D, selected: add 50g/t ~ 200g/t vulcanized sodium and composite restrainer calgon 5g/t ~ 30g/t and aluminum sulfate 100g/t ~ 600g/t, selected 2 ~ 5 times, selected froth pulp is concentrate, selected chats sequentially returns previous stage operation.
Sulfide mineral collector described in step b and step c is preferably xanthate class 20g/t ~ 100g/t or black powder class 10g/t ~ 60g/t or thiourethane class 10 g/t ~ 100g/t.
Add 0 ~ 40g/t foaming agent again after preferably adding sulfide mineral collector in step b, foaming agent is methyl isobutyl carbinol or terpenic oil.
Described raw ore is preferably the Bu Langsi copper-sulphide ores containing Cu >=2.80%, Co >=0.16%, Ni >=0.15%, C >=4.41%.
Below the present invention be further explained and illustrate:
Described recovery degree of dissociation of mineral monomer refers to: reclaim the content of mineral monomer and the ratio of this mineral total amount in the sample to which (content of monomer and intergrowth content sum).
The present invention utilizes the reagent removal effect of vulcanized sodium, will be adsorbed in the collecting agent desorption on peat matter surface, eliminates the unavoidable ion in ore pulp, plays inducing action simultaneously, play activation to oxide mineral to sulfide mineral, improves the floatability of valuable mineral; The selective inhibitory of recycling composite restrainer calgon and aluminum sulfate, realizes valuable mineral flotation high efficiente callback, avoids the loss that predictive desliming charcoal technique causes valuable mineral.Instant invention overcomes previous methods flow process complicated, floating operation difficulty, the shortcomings such as mineral processing index is poor, economic benefit is bad, develop a kind of flow process simple, floatation indicators is high, good separation effect, the new method that reagent consumption amount is low.By using this floatation process, process raw ore is containing Cu 2.80%, containing Co 0.16%, containing Ni 0.15%, Bu Langsi copper-sulphide ores containing C 4.41%, can obtain containing Cu 16.12%, copper recovery is the copper concentrate of 94.67%, in concentrate product, the rate of recovery of Co, Ni is respectively 32.03%, 36.19%, or obtain containing Cu 22.02%, copper recovery is the copper concentrate of 83.46%, and in concentrate product, the rate of recovery of Co, Ni is respectively 31.87%, 28.67%.
" order returns last operation " of the present invention is routine operation, namely, except the final products concentrate and tailings of flotation, the intermediate products of output in floatation process, as cleaner tailings, scavenger concentrate, custom is referred to as chats, this chats is turned back to the method for upper level operation from this grade of operation.
Compared with prior art, advantage of the present invention is:
1, the inventive method improves flotation environment and ore pulp Minerals surface state, enhances inhibitor to the rejection ability of ore of easy floating gangue and collecting agent to the selective collecting of mineral.
2, the method not only simplify technological process, and avoids the loss that predictive desliming charcoal causes valuable mineral, improves the mineral processing index of valuable mineral.
Accompanying drawing explanation
Fig. 1 is the process chart of a kind of high peat copper sulfide ore beneficiation method of the present invention.
Detailed description of the invention
Following examples are intended to further illustrate the present invention, instead of limitation of the present invention.G/t described in the application refers to the quality of the medicament added in raw ore per ton.Described percentage composition is mass percentage.
Australia's somewhere copper cobalt nickel Polymetallic Minerals is for deposition carbonaceous shale type mineral deposit.Due to long-term weathering effect, make the crystal class of raw ore, ore texture is tending towards complicated, ore hardness is 1 ~ 2, with nail can portray, dirty hand.Carbonaceous thing content in raw ore is higher is 4.41%; Clay mineral content reaches 55.26%, and it is mainly the silicate mineral of the bedded structures such as water kaolinite, hydromuscovite, and interlayer closes with remaining bond, not only can adsorb a large amount of free metal ion, also adsorb many floating agents, makes System of Flotation Reagent be difficult to control; Ore very easily argillization in broken, grinding process, by crushing raw ore to sieve analysis when being less than 2mm grade ,-0.037mm grain size content accounts for 37.33%.
Valuable mineral in ore is copper, cobalt, nickel.Raw ore cupric 2.80%, copper is with chalcopyrite, secondary copper sulfide, exist in conjunction with cupric oxide, copper carbonate and free copper ion five kinds of forms, wherein exist with chalcopyrite and secondary copper sulfide form and account for 82.78%, copper mineral is mainly distributed in mud carbonaceous layer, secondly in quartz or opaline crack, no matter which kind of inlays, and the periphery of copper mineral all has peat matter to wrap up; Cobalt, the nickel grade in raw ore is respectively 0.16%, 0.16%, and cobalt, nickel mineral account for 38.13%, 29.27% respectively with oxide morphology, and therefore, this copper cobalt nickel minerals belongs to high peat complicated difficult and selects copper sulfide cobalt nickel polymetallic ore.
These mineral resources are not exploited always, mainly because the content of peat matter is comparatively large in ore, worsen flotation environment, cause floatation indicators poor.Even if adopt predictive desliming charcoal method, valuable metal still fails effectively to be reclaimed.
The experimental study that we carry out for these mineral resources, obtaining mineral processing circuit is that mog-0.074mm order accounts for 92%, do not need to carry out desliming and take off charcoal flotation, directly enter the bulk flotation of copper sulfide cobalt nickel, adjusting agent vulcanized sodium 1600g/t is added when roughly selecting, inhibitor calgon 60g/t, aluminum sulfate 600g/t, sulfide mineral collector 100g/t, foaming agent methyl isobutyl carbinol 20g/t, scan is add 50g/t sulfide mineral collector, 80g/t vulcanized sodium and calgon 20g/t and aluminum sulfate 400g/t is added time selected, scan for two to four times selected twice through one roughing, chats order returns, obtain copper cobalt nickel bulk concentrate product.
The floatation indicators that thick two essences two of scheme 1 one sweep technological process acquisition is: containing Cu16.12%, Co 0.25%, Ni 0.28% in concentrate, the rate of recovery is respectively Cu 94.67%, Co 32.03%, Ni 36.19%;
The floatation indicators that thick four essences two of scheme 2 one sweep technological process acquisition is: containing Cu 22.02%, Co 0.38%, Ni 0.35% in concentrate, the rate of recovery is respectively Cu 83.46%, Co 31.87%, Ni 28.67%.
Claims (4)
1. a high peat copper sulfide ore beneficiation method, it is characterized in that, step is:
A, ore grinding: by crushing raw ore, ore grinding to the fineness reclaiming degree of dissociation of mineral monomer >=80%;
B, to roughly select: under the condition of not predictive desliming charcoal, first add adjusting agent vulcanized sodium and size mixing, amount of sodium sulfide is 800 g/t ~ 2000g/t; Then composite restrainer is added as easy-floating gangue inhibitor; Described composite restrainer is made up of calgon 30g/t ~ 300g/t and aluminum sulfate 100g/t ~ 600g/t; Next adds 10g/t ~ 100g/t sulfide mineral collector; Flotation is carried out after stirring;
C, to scan: add 5g/t ~ 50g/t sulfide mineral collector, scan 2 ~ 3 times, the bottom land product scanned is mine tailing, scavenger concentrate order returns previous stage operation;
D, selected: add 50g/t ~ 200g/t vulcanized sodium and calgon 5g/t ~ 30g/t and aluminum sulfate 100g/t ~ 600g/t, selected 2 ~ 5 times, selected froth pulp is concentrate, selected chats sequentially returns previous stage operation.
2. a kind of high peat copper sulfide ore beneficiation method according to claim 1, it is characterized in that, sulfide mineral collector described in step b is xanthate class 20g/t ~ 100g/t or black powder class 10g/t ~ 60g/t or thiourethane class 10 g/t ~ 100g/t.
3. a kind of high peat copper sulfide ore beneficiation method according to claim 1, it is characterized in that, add 0 ~ 40g/t foaming agent after adding sulfide mineral collector in step b again, foaming agent is methyl isobutyl carbinol or terpenic oil.
4. a kind of high peat copper sulfide ore beneficiation method according to claim 1, is characterized in that, described raw ore is the Bu Langsi copper-sulphide ores containing Cu >=2.80%, Co >=0.16%, Ni >=0.15%, C >=4.41%.
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CN112337654A (en) * | 2020-10-16 | 2021-02-09 | 中南大学 | Application of metal ion brine in flotation separation of copper sulfide gold ore difficult to separate |
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