CN104289317B - A kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method - Google Patents
A kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method Download PDFInfo
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Abstract
The present invention relates to metal sulfide floatation separating technology, particularly a kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method.Described flotation separation method is following steps：(1) under suitable mog, pulp potential is adjusted using lime, makes pulp potential control in 250~100mV, the collector of copper sulfides such as thiourethane and xanthate is added, without any zincblende inhibitor, Selective Cu flotation；(2) nominal group process addition copper sulphate for activation zincblende, controls 220~70mV of pulp potential, carries out selecting zinc using xanthate and 2# oil, final to obtain copper concentrate and zinc concentrate.Compared to the prior art, the present invention changes copper, the floatability of zinc mineral, so as to realize no inhibitor Flotation separation of copper from zinc by adjusting pulp potential.Technological process is simple, is easily controlled；Reagent cost can be saved simultaneously, reagent cost 5~10% is reduced than traditional handicraft.
Description
Technical field
The present invention relates to metal sulfide floatation separating technology, particularly a kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor
Flotation separation method.
Background technology
China is the country that copper, a zinc resource more lack, and is needed every year from the substantial amounts of copper-zinc ore of external import, and
The copper-zinc ore resource reserve of China is less, and mostly poor, thin, miscellaneous refractory ore.For these refractory ores, section of China
Skilled worker author has carried out substantial amounts of research, develops the effective agent and technique of some copper-znic separations, real to part copper-zinc ore
Show and efficiently separated and reclaim.
Raised roc etc. carries out Selective Cu flotation using the good thionocarbamate of selectivity, realizes copper, the effective of zinc mineral and divides
Choosing.Tong Dou companies application selectivity preferably hybrid collector methyl sulphur ammoniacum and BK301 mixed liquor, and zinc mineral have
Inhibitor is imitated, using fast-flotation, vapour heating, the technique of asynchronous flotation, efficiently separating for copper zinc sulfur mineral is realized.Yu Xue
Etc. proposing using vulcanized sodium as the copper ion for eliminating and fixing in ore pulp, while vulcanized sodium also has suppression zincblende and pyrite
And the effect of reagent removal, using the strong SK9011 of selectivity as copper-znic separation collecting agent, made with zinc sulfate and sodium sulfite rational proportion
For the major inhibitors of zincblende, using Part-selective and bulk flotation technological process, copper-znic separation is successfully solved the problems, such as.Lee
The application CCE such as beautiful sweet smell composite restrainers+zinc sulfate+sodium sulfite, make zinc mineral be suppressed well in copper-znic separation, from
And reach the purpose of copper-znic separation.The use composite restrainer zinc sulfate+YS-3 progress copper Pb-Zn separations such as horse crystalline substance, intensified sorting,
Can efficiently separate copper, lead and zinc ores thing.
2011.10.26 disclosed Application No. CN201110082452.5 Chinese invention patent discloses a kind of difficult choosing
Sulphide ore high-sulfur copper-zinc ore flotation separation method, this method separates copper using C6MT glue sodium phosphate as zinc mineral inhibitor
Concentrate and tailings, to mine tailing carry out three sections of flotation, using one roughing triple cleaning and it is secondary scan technique, isolate zinc concentrate
And iron concentrate.
2009.10.07 disclosed Application No. CN200910115371.3 Chinese invention patent discloses a kind of difficult choosing
The technique of copper zinc vulcanizing mine FLOTATION SEPARATION, the invention includes selecting copper, selecting zinc step, preferentially floats copper, using collecting agent LP-02, together
Shi Tianjia composite restrainer LY-02, copper-znic separation is realized in the case where pH values of pulp is neutrallty condition.
The application of above collecting agent and inhibitor is generally required under conditions of medicament excess, could obtain preferable separation
Effect, thus occurs medicament wasting phenomenon, meanwhile, some medicaments containing toxic, will also be impacted to environment.Therefore,
It is necessary that the friendly copper-znic separation technique of exploitation novel environmental substitutes existing process.
The content of the invention
The present invention's selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method there is provided a kind of difficulty, to solve existing skill
Above mentioned problem present in art.
The present invention is adopted the following technical scheme that：
A kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, in the situation without zinc mineral inhibitor
Under carry out the FLOTATION SEPARATION of copper zinc successively, comprise the following steps：
(1) ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for more than the 80% of total amount；
(2) pulp potential is adjusted using lime, makes pulp potential control in -220~-180mV, add collector of copper sulfides sulphur ammonia
Ester/butyl xanthate combination 10-15/20-30g/t, or addition MA/ butyl xanthate combination 20-30/20-30g/t, Selective Cu flotation；
(3) first time copper is selected, addition lime regulation pulp potential, controls pulp potential -200~-190mV；
(4) second of bronze medal are selected, addition lime regulation pulp potential, control pulp potential -210~-200mV；
(5) third time copper is selected, addition lime regulation pulp potential, controls pulp potential -220~-210mV；
(6) first time copper is scanned, addition thiourethane/butyl xanthate combined capturing and collecting agent 6-10/10-15g/t or addition MA/
Butyl xanthate combined capturing and collecting agent 10-15/10-15g/t；
(7) second of bronze medal are scanned, and add butyl xanthate 10-20g/t, or addition MA/ butyl xanthate combined capturing and collecting agents 5-10/5-
10g/t；Obtain nominal group process；
(8) zinc roughing, roughing control pulp potential -180~-170mV, adds copper sulphate 400-600g/t, butyl xanthate 20-
30g/t, 2# oil 5-15g/t；
(9) first time zinc is selected, adds copper sulphate 50-150g/t, addition lime regulation pulp potential, control ore pulp electricity
- 180~-170mV of position；
(10) second of zinc are selected, addition lime regulation pulp potential, control pulp potential -190~-180mV；
(11) third time zinc is selected, addition lime regulation pulp potential, controls pulp potential -200~-190mV；
(12) the 4th times zinc is selected, addition lime regulation pulp potential, controls pulp potential -200~-190mV；
(13) first time zinc is scanned, addition copper sulphate 150-250g/t, butyl xanthate 10-20g/t, 2# oil 4-8g/t,
(14) second of zinc are scanned, addition butyl xanthate 5-15g/t, 2# oil 2-5g/t.
Wherein, described difficulty selects high-sulfur copper zinc vulcanizing mine, and ore sulfur-bearing is more than 30%, and cupric 1~5%, containing zinc 0.5~
2%.
Wherein, in step (1), it is preferable that diameter no more than 0.043mm ore particles quantity account for the 85% of total amount with
On.
Wherein, in step (2), controlling potential is preferably -200~-190mV.
Wherein, in a preferred embodiment, in step (2), thiourethane/butyl xanthate combined capturing and collecting agent is added, consumption is preferred
For 12/24g/t.
Wherein, in a preferred embodiment, in step (6), addition thiourethane/butyl xanthate combined capturing and collecting agent 8/12g/t, step
Suddenly in (7), butyl xanthate 15g/t is added.
In a further preferred embodiment, in step (2), MA/ butyl xanthates combination 24/24g/t is preferably added.
In a further preferred embodiment, in step (6), MA/ butyl xanthate combined capturing and collecting agents 12/12g/t is added；Step (7)
In, add MA/ butyl xanthate combined capturing and collecting agents 7.5/7.5g/t.
The present invention another technical scheme be：
For high altitude localities (being more than 4000 meters), a kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor FLOTATION SEPARATION side
Method, carries out the FLOTATION SEPARATION of copper zinc, comprises the following steps successively in the case of without zinc mineral inhibitor：
(1) ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for more than the 80% of total amount；
(2) pulp potential is adjusted using lime, makes pulp potential control in -120~-110mV, addition collector of copper sulfides MA/
Butyl xanthate combines 30-40/30-40g/t, Selective Cu flotation；
(3) first time copper is selected, addition lime regulation pulp potential, controls pulp potential -130~-120mV；
(4) second of bronze medal are selected, addition lime regulation pulp potential, control pulp potential -140~-130mV；
(5) third time copper is selected, addition lime regulation pulp potential, controls pulp potential -150~-140mV；
(6) first time copper is scanned, MA/ butyl xanthate combined capturing and collecting agents 10-20/10-20g/t,
(7) second of bronze medal are scanned, MA/ butyl xanthate combined capturing and collecting agent 10-20/10-20g/t, obtain nominal group process；
(8) zinc roughing, roughing control pulp potential -100~-90mV, adds copper sulphate 500-700g/t, butyl xanthate 20-
30g/t, 2# oil 5-15g/t；
(9) first time zinc is selected, adds copper sulphate 50-150g/t, addition lime regulation pulp potential, control ore pulp electricity
- 110~-100mV of position；
(10) second of zinc are selected, addition lime regulation pulp potential, control pulp potential -120~-110mV；
(11) third time zinc is selected, adds copper sulphate 40-60g/t, addition lime regulation pulp potential, control ore pulp electricity
- 130~-120mV of position；
(12) the 4th times zinc is selected, addition lime regulation pulp potential, controls pulp potential -140~-130mV；
(13) first time zinc is scanned, addition copper sulphate 250-350g/t, butyl xanthate 5-15g/t, 2# oil 4-8g/t,
(14) second of zinc are scanned, addition butyl xanthate 5-15g/t, 2# oil 2-5g/t..
High-sulfur copper zinc vulcanizing mine no inhibitor floatation separation process of the present invention has the following advantages that：
(1) this method realizes no inhibitor Selective Cu flotation using lime as ore pulp regulator accurate adjustment pulp potential, choosing
Copper tailing uses copper sulphate for activation zincblende, while carrying out selecting zinc using lime accurate adjustment pulp potential, finally obtains qualified
Copper concentrate and zinc concentrate.Flow is simple, is easily controlled；
(2) reagent cost is saved, reagent cost 5~10% is reduced than traditional handicraft；
(3) copper-znic separation effect is good, and copper zinc concentrate mutually containing less, realizes the effective recycling of Low grade resource；
(4) non-toxic medicament is used, clean manufacturing is realized.
In a word, the present invention changes the floatability between copper, zinc mineral, realizes no inhibitor by accurately controlling pulp potential
Copper zinc is efficiently separated, and copper zinc mineral processing index is higher than former technique, and the more former technique of reagent cost has the decline of certain amplitude.
Brief description of the drawings
Fig. 1 is the specific embodiment of the invention 1,2 process charts
Fig. 2 is the process chart of the specific embodiment of the invention 3
Embodiment
Embodiment 1
Experimental study on ore dressing is carried out to Qinghai high-sulfur copper zinc vulcanizing mine stone using the inventive method, raw ore elementary analysis is shown in
Table 1.
The raw ore elementary analysis result of table 1/%
*g/t
It was found from the data of table 1, the recyclable main metal element of the ore deposit is Cu, Zn, according to original ore property, using the present invention
Technique, concrete technology flow process is shown in accompanying drawing 1.Predominantly：
(1) Selective Cu flotation, obtains qualified copper concentrate；
(2) zinc is selected again, obtains qualified zinc concentrate.
As shown in Figure 1, ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for total amount
85.40%, then carry out FLOTATION SEPARATION, Selective Cu flotation step, roughing addition lime regulation pulp potential -200~-190mV, addition
Thiourethane/butyl xanthate combined capturing and collecting agent, consumption is 12/24g/t；Rough concentrate carries out 3 selected, each selected only addition lime tune
Pulp potential is saved, for the first time selected control pulp potential -200~-190mV；Second selected control pulp potential -210~-
200mV；Selected control pulp potential -220~-210mV for the third time；Rougher tailings scan for 2 times, addition is scanned every time different
Consumption collecting agent, scans as thiourethane/butyl xanthate combined capturing and collecting agent 8/12g/t, scans for the second time as butyl xanthate 15g/ for the first time
t。
Nominal group process selects zinc step, and roughing control pulp potential -180~-170mV adds copper sulphate 500g/t, butyl xanthate
25g/t, 2# oil 10g/t；Rough concentrate carries out 4 selected, only selected I addition 100g/t copper sulphate, while selected according to ore deposit every time
Starch current potential and add a certain amount of lime, selected control pulp potential -180~-170mV of first time zinc；The selected control of second of zinc
Pulp potential -190~-180mV；Selected control pulp potential -200~-190mV of third time zinc；The 4th selected control ore deposit of zinc
Starch current potential -200~-190mV；Rougher tailings scan for 2 times, scans I addition copper sulphate 200g/t, butyl xanthate 15g/t, 2# oil
5g/t, scans II addition butyl xanthate 10g/t, 2# oil 2.5g/t.
Result of the test is shown in Table 2.From the results showed that of table 2 through Selective Cu flotation-select again after zinc technology sorts, can be contained
The copper concentrate of copper 18.66%, zinc 1.21%, copper recovery 83.90%；Zinc concentrate containing zinc 45.69%, copper 1.47%, zinc is returned
Yield 43.90%, while the 3.06g/t containing gold in copper concentrate.Thus, can be explained can efficiently separate recovery using present invention process
Copper zinc vulcanizing mine.Simultaneously compared with former technique, reagent cost about 5% can be saved.
The result of the test of 2 embodiment of table 1
*g/t
Embodiment 2
Copper-znic separation, concrete technology are carried out using MA/ butyl xanthates combined capturing and collecting agent to above-mentioned ore using the inventive method
Flow is as shown in Figure 1：
Ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for the 85.40% of total amount, then enters
Row FLOTATION SEPARATION, Selective Cu flotation step, roughing addition lime regulation pulp potential -200~-190mV adds MA (Hubei Jingjiangs
Beneficiation reagent Co., Ltd produces)/butyl xanthate combined capturing and collecting agent, consumption is 24/24g/t；Rough concentrate carry out 3 times it is selected, every time
Selected only addition lime regulation pulp potential, first time selected control pulp potential -200~-190mV；Second of selected control
Pulp potential -210~-200mV；Selected control pulp potential -220~-210mV for the third time；Rougher tailings scan for 2 times,
Addition different amounts MA/ butyl xanthate combined capturing and collecting agents are scanned every time, are respectively to scan 12/12g/t for the first time, scan for the second time
7.5/7.5g/t。
Nominal group process selects zinc step, and roughing control pulp potential -180~-170mV adds copper sulphate 500g/t, butyl xanthate
20g/t, 2# oil 8g/t；Rough concentrate carries out 4 selected, only selected I addition 100g/t copper sulphate, while selected according to ore pulp every time
Current potential adds a certain amount of lime, selected control pulp potential -180~-170mV of first time zinc；The selected control ore deposit of second of zinc
Starch current potential -190~-180mV；Selected control pulp potential -200~-190mV of third time zinc；The 4th selected control ore pulp of zinc
Current potential -200~-190mV；Rougher tailings scan for 2 times, scans I addition copper sulphate 200g/t, butyl xanthate 10g/t, 2# oil
4g/t, scans II addition butyl xanthate 10g/t, 2# oil 2g/t.
Result of the test is shown in Table 3.From the results showed that of table 3 through Selective Cu flotation-select again after zinc technology sorts, can be contained
The copper concentrate of copper 17.48%, zinc 1.33%, copper recovery 83.71%；Zinc concentrate containing zinc 45.22%, copper 1.41%, zinc is returned
Yield 43.51%, while the 3.16g/t containing gold in copper concentrate.Thus, can be explained can efficiently separate recovery using present invention process
Copper zinc vulcanizing mine.Simultaneously compared with former technique, reagent cost about 7% can be saved.
The result of the test of 3 embodiment of table 2
*g/t
Embodiment 3
Field test, raw ore element are carried out using MA/ butyl xanthates combined capturing and collecting agent to above-mentioned ore using the inventive method
Analysis in table 4, concrete technology flow process is as shown in Figure 2：
The raw ore multielement analysis result of table 4/%
*g/t
Because ore dressing plant is located in 4200 meters of plateaus of height above sea level, rarefaction of air, oxygen content is relatively low, only 0.6 atmospheric pressure, because
This, corresponding parameter also needs to make corresponding adjustment, specific as follows：
Ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for the 80.25% of total amount, then enters
Row FLOTATION SEPARATION, Selective Cu flotation step, roughing addition lime regulation pulp potential -120~-110mV adds MA/ butyl xanthate groups
Collecting agent is closed, consumption is 35/35g/t；Rough concentrate carries out 3 selected, each selected only addition lime regulation pulp potentials, first
Secondary selected control pulp potential -130~-120mV of copper；Selected control pulp potential -140~-130mV of second of bronze medal；For the third time
Selected control pulp potential -150~-140mV of copper；Rougher tailings scan for 2 times, and addition different amounts MA/ fourths are scanned every time
Xanthate combined capturing and collecting agent, respectively 15/15g/t, 10/10g/t.
Nominal group process selects zinc step, and roughing control pulp potential -100~-90mV adds copper sulphate 600g/t, butyl xanthate
25g/t, 2# oil 10g/t；Rough concentrate carry out 4 times it is selected, selected I and selected III respectively addition 100,50g/t copper sulphate, while often
It is secondary selected according to a certain amount of lime of pulp potential addition, first time selected control pulp potential -110~-100mV；Second
Control pulp potential -120~-110mV；Third time control pulp potential -130~-120mV；4th selected control ore pulp electricity
- 140~-130mV of position；Rougher tailings scan for 2 times, scans I addition copper sulphate 300g/t, butyl xanthate 10g/t, 2# oil 5g/
T, scans II addition butyl xanthate 10g/t, 2# oil 2.5g/t.
Result of the test is shown in Table 5.From the results showed that of table 5 through Selective Cu flotation-select again after zinc technology sorts, can be contained
The copper concentrate of copper 16.75%, zinc 1.63%, copper recovery 80.40%；Zinc concentrate containing zinc 43.59%, copper 1.52%, zinc is returned
Yield 31.14%, while the 1.14g/t containing gold in copper concentrate.Thus, can be explained can efficiently separate recovery using present invention process
Copper zinc vulcanizing mine.Compared with live former regime of agent, reagent cost about 6% can be saved.
The result of the test of 4 embodiment of table 3
*g/t
The specific embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this structure
Think the change to present invention progress unsubstantiality, the behavior for invading the scope of the present invention all should be belonged to.
Claims (9)
1. a kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, in the case of without zinc mineral inhibitor
The FLOTATION SEPARATION of copper zinc is carried out successively, is comprised the following steps：
(1) ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for more than the 80% of total amount；
(2) pulp potential is adjusted using lime, pulp potential is controlled in -220~-180mV, addition collector of copper sulfides thiourethane/
Butyl xanthate combines 10-15/20-30g/t, or addition MA/ butyl xanthate combination 20-30/20-30g/t, Selective Cu flotation；
(3) first time copper is selected, addition lime regulation pulp potential, controls pulp potential -200~-190mV；
(4) second of bronze medal are selected, addition lime regulation pulp potential, control pulp potential -210~-200mV；
(5) third time copper is selected, addition lime regulation pulp potential, controls pulp potential -220~-210mV；
(6) first time copper is scanned, and addition thiourethane/butyl xanthate combined capturing and collecting agent 6-10/10-15g/t or addition MA/ fourths are yellow
Medicine combined capturing and collecting agent 10-15/10-15g/t；
(7) second of bronze medal are scanned, and add butyl xanthate 10-20g/t, or addition MA/ butyl xanthate combined capturing and collecting agents 5-10/5-10g/
t；Obtain nominal group process；
(8) zinc roughing, roughing control pulp potential -180~-170mV, adds copper sulphate 400-600g/t, butyl xanthate 20-30g/
T, 2# oil 5-15g/t；
(9) first time zinc is selected, adds copper sulphate 50-150g/t, and addition lime regulation pulp potential controls pulp potential -180
~-170mV；
(10) second of zinc are selected, addition lime regulation pulp potential, control pulp potential -190~-180mV；
(11) third time zinc is selected, addition lime regulation pulp potential, controls pulp potential -200~-190mV；
(12) the 4th times zinc is selected, addition lime regulation pulp potential, controls pulp potential -200~-190mV；
(13) first time zinc is scanned, addition copper sulphate 150-250g/t, butyl xanthate 10-20g/t, 2# oil 4-8g/t,
(14) second of zinc are scanned, addition butyl xanthate 5-15g/t, 2# oil 2-5g/t.
2. a kind of difficulty as claimed in claim 1 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
Described difficulty selects high-sulfur copper zinc vulcanizing mine, and ore sulfur-bearing is more than 30%, cupric 1~5%, containing zinc 0.5~2%.
3. a kind of difficulty as claimed in claim 1 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
In step (1), ore particles quantity of the diameter no more than 0.043mm accounts for more than the 85% of total amount.
4. a kind of difficulty as claimed in claim 1 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
In step (2), controlling potential -200~-190mV.
5. a kind of difficulty as claimed in claim 1 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
In step (2), thiourethane/butyl xanthate combined capturing and collecting agent is added, consumption is 12/24g/t.
6. a kind of difficulty as claimed in claim 5 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
In step (6), in addition thiourethane/butyl xanthate combined capturing and collecting agent 8/12g/t, step (7), butyl xanthate 15g/t is added.
7. a kind of difficulty as claimed in claim 1 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
In step (2), addition MA/ butyl xanthate combinations 24/24g/t.
8. a kind of difficulty as claimed in claim 7 selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, it is characterised in that：
In step (6), MA/ butyl xanthate combined capturing and collecting agents 12/12g/t is added；In step (7), MA/ butyl xanthate combined capturing and collecting agents are added
7.5/7.5g/t。
9. a kind of difficulty selects high-sulfur copper zinc vulcanizing mine no inhibitor flotation separation method, in the case of without zinc mineral inhibitor
The FLOTATION SEPARATION of copper zinc is carried out successively, is comprised the following steps：
(1) ore grinding is first carried out to the ore deposit, ore particles quantity of the diameter no more than 0.043mm accounts for more than the 80% of total amount；
(2) pulp potential is adjusted using lime, makes pulp potential control in -120~-110mV, addition collector of copper sulfides MA/ fourths are yellow
Medicine combines 30-40/30-40g/t, Selective Cu flotation；
(3) first time copper is selected, addition lime regulation pulp potential, controls pulp potential -130~-120mV；
(4) second of bronze medal are selected, addition lime regulation pulp potential, control pulp potential -140~-130mV；
(5) third time copper is selected, addition lime regulation pulp potential, controls pulp potential -150~-140mV；
(6) first time copper is scanned, MA/ butyl xanthate combined capturing and collecting agents 10-20/10-20g/t,
(7) second of bronze medal are scanned, MA/ butyl xanthate combined capturing and collecting agent 10-20/10-20g/t, obtain nominal group process；
(8) zinc roughing, roughing control pulp potential -100~-90mV, adds copper sulphate 500-700g/t, butyl xanthate 20-30g/
T, 2# oil 5-15g/t；
(9) first time zinc is selected, adds copper sulphate 50-150g/t, and addition lime regulation pulp potential controls pulp potential -110
~-100mV；
(10) second of zinc are selected, addition lime regulation pulp potential, control pulp potential -120~-110mV；
(11) third time zinc is selected, adds copper sulphate 40-60g/t, and addition lime regulation pulp potential controls pulp potential -130
~-120mV；
(12) the 4th times zinc is selected, addition lime regulation pulp potential, controls pulp potential -140~-130mV；
(13) first time zinc is scanned, addition copper sulphate 250-350g/t, butyl xanthate 5-15g/t, 2# oil 4-8g/t,
(14) second of zinc are scanned, addition butyl xanthate 5-15g/t, 2# oil 2-5g/t.
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| CN108906332A (en) * | 2018-07-27 | 2018-11-30 | 广西大学 | A kind of zinc sulfide ore method for floating |
| CN115430523B (en) * | 2022-08-18 | 2023-04-25 | 昆明理工大学 | Flotation separation method of low-copper high-zinc refractory copper-zinc sulfide ore |
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