CN100594067C - Beneficiation method of complex copper oxide ore - Google Patents
Beneficiation method of complex copper oxide ore Download PDFInfo
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- CN100594067C CN100594067C CN200610163880A CN200610163880A CN100594067C CN 100594067 C CN100594067 C CN 100594067C CN 200610163880 A CN200610163880 A CN 200610163880A CN 200610163880 A CN200610163880 A CN 200610163880A CN 100594067 C CN100594067 C CN 100594067C
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Abstract
A method for dressing the complex copper oxide ore consisting of the copper oxide ore easy to dress and the copper oxide ore difficult to dress includes such steps as preparing multiple kinds of composite dressing chemical, floatation for the fine-particle copper oxide ore easy to dress, removing mud, forced floatation for the coarse-particle copper oxide ore difficult to dress, grinding the specially complex copper oxide ore, and forced floatation.
Description
Technical field
The present invention relates to a kind of beneficiation method, especially a kind of method that complex copper oxide ore is sorted.
Background technology
At present, to containing the cupric oxide ore of multi mineral such as malachite, chrysocolla, chessy copper, warringtonite, cuprite, method for floating with routine is difficult to obtain technical indicator and economic indicator preferably, particularly contains the sorting of cupric oxide ore of hydroxide iron ore mud, and its index is poorer.Prior art has the way that cupric oxide ore carries out flotation: (1) conventional sulfuration xanthate floatation, and it only is suitable for sorting the malachite of single and easy choosing, and to the cupric oxide ore of complicated difficult choosing, then every index of flotation is extremely low; (2) hydro-thermal sulfuration xanthate floatation, this method energy consumption is very big; (3) fatty-acid flo(a)tation method, to the carbonate cupric oxide ore, contain the cupric oxide ore of iron hydroxide and contain the mud cupric oxide ore, then inapplicable; (4) the amine floatation needs predictive desliming, and the desliming meeting is lost copper loss; (5) the medium-sized floatation of chelating agent because the chelating agent cost is higher, causes the beneficiation cost height, and is limited aborning; (6) emulsion floatation, because collecting agent is only used single medicament, to complicated and diversified cupric oxide ore, and technical indicator is bad, makees inhibitor with acrylate copolymer in addition, then price is more expensive; (7) segregation floatation, this method exists energy consumption big, technology cost height, many defectives such as long flow path.In addition, to refractory copper oxide ore, also available chemical method is handled in the existing method, but all exist the noble metal needs in the ore is handled the problem that reclaims in addition.
Summary of the invention
Low for overcoming prior art to the complex copper oxide ore rate of recovery, defectives such as economic indicator is low, and is of poor benefits the present invention is directed to the characteristic that a kind of complex copper oxide ore contains multiple copper oxide mineral, provide a kind of rate of recovery height, the beneficiation method of the complex copper oxide ore of remarkable in economical benefits.
The present invention realizes by following technical proposal: a kind of beneficiation method of complex copper oxide ore, comprise ore grinding and flotation, wherein grinde ore granularity :-0.043mm～-the accounting for more than 80% of 0.074mm, it is characterized in that through following process steps:
A, levigate pulp density is controlled at 24-36%, pH value is controlled at 8.5-12, adds flotation agent in ore pulp, stir after 7-16 minute, ore pulp is sent into flotation cell, the one-level group of carrying out 7-10 minute is roughly selected, carry out 7-10 minute scan again, one-level group rough concentrate and mine tailing;
B, to the one-level group rough concentrate of A step carry out 2-3 time selected, each 1-2 minute, one-level group concentrate product;
C, the mine tailing of A step is sent into the cyclone group, deviates from-the above mud of 0.053mm, ore pulp;
D, the ore pulp of C step is sent into agitator, control pulp PH value 11-13, pulp density 24-30% adds flotation agent, stirs after 7-10 minute, carries out 7-10 minute secondary groups and roughly selects, and carries out 7-10 minute scan again, must secondary groups rough concentrate and mine tailing;
E, to the secondary groups rough concentrate of D step carry out 2-3 time selected, each 1-2 minute, secondary groups concentrate product;
F, the mine tailing of D step looked concrete condition send into the mine tailing recycle bin, perhaps carry out following processing:
Mine tailing is sent into the stirring mill, what be milled to granularity-0.043mm accounts for 80%, control pulp density 20-25%, pulp PH value 11-14, add flotation agent, stir after 7-10 minute, three grades of groups of carrying out 7-10 minute are roughly selected, and carry out 7-10 minute scan again, concentrate after roughly selecting is through 2-3 time, each 1-2 minute selected, the concentrate product, mine tailing send recycle bin;
Wherein, the flotation agent that is added is:
(1) difference by its contained gangue kind adds following inhibitor:
To gangue is the ore pulp of irony calciate, adds following inhibitor in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups altogether:
Sodium carbonate 200-800g/t
Waterglass 600-1500g/t
Lignosite 200-500g/t
Sodium humate 100-300g/t
Perhaps, be the ore pulp of irony silicate to gangue, in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add following inhibitor altogether:
Lime 1-3kg/t
Waterglass 500-1000g/t
Carboxymethyl cellulose 200-800g/t
(2) in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add following activator altogether:
Vulcanized sodium 1-5kg/t
Ammonium sulfate 0.4-1kg/t
Perhaps
Vulcanized sodium 1-5kg/t
Ammonium sulfate 0.4-1kg/t
Dithiol two sulfo-azoles 0.5-1kg/t
Perhaps
Vulcanized sodium 1-5kg/t
Ammonium sulfate 0.4-1kg/t
Dithiol two sulfo-azoles 0.5-1kg/t
Copper sulphate 0.2-0.6kg/t
(3) in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add following composite collector altogether:
Mercaptobenzothiazoler 12-50g/t
NaOH 6-60g/t
Butyl xanthate 100-300g/t
Butyl ammonium aerofloat 50-150g/t
Disodium ethylene diamine tetraacetate 10-50g/t
Hydrocarbon ils 50-300g/t
Hydrocarbon ils emulsifying agent 30-100g/t
Perhaps
Mercaptobenzothiazoler 12-50g/t
NaOH 6-60g/t
Butyl ammonium aerofloat 50-150g/t
Diethyldithiocarbamate 30-100g/t
Disodium ethylene diamine tetraacetate 10-50g/t
Hydrocarbon ils 50-300g/t
Hydrocarbon ils emulsifying agent 30-100g/t
Perhaps
Mercaptobenzothiazoler 12-50g/t
NaOH 6-60g/t
Butyl xanthate 100-300g/t
Butyl ammonium aerofloat 50-150g/t
Diethyldithiocarbamate 30-100g/t
Disodium ethylene diamine tetraacetate 10-50g/t
Hydrocarbon ils 50-300g/t
Hydrocarbon ils emulsifying agent 30-100g/t
Hydrocarbon ils is kerosene or diesel oil or gasoline, and the hydrocarbon ils emulsifying agent is alkylolamides or alkyl phenolic alcohol polyoxyethylene.
Inhibitor in the described flotation agent, be sodium carbonate, waterglass, Lignosite, sodium humate, perhaps lime, waterglass, carboxymethyl cellulose wherein one or more, looking concrete condition adds in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, so that add according to concrete ore pulp composition, in the hope of obtaining the rate of recovery of higher valuable mineral.
Activator in the described flotation agent, be vulcanized sodium, ammonium sulfate, perhaps vulcanized sodium, ammonium sulfate, dithiol two sulfo-azoles, perhaps vulcanized sodium, ammonium sulfate, dithiol two sulfo-azoles, copper sulphate wherein one or more, looking concrete condition adds in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, so that add according to concrete ore pulp composition, in the hope of obtaining the rate of recovery of higher valuable mineral.
Described composite collector, it is mercaptobenzothiazoler, NaOH, butyl xanthate, butyl ammonium aerofloat, disodium ethylene diamine tetraacetate, hydrocarbon ils, the hydrocarbon ils emulsifying agent, perhaps mercaptobenzothiazoler, NaOH, diethyldithiocarbamate, butyl ammonium aerofloat, disodium ethylene diamine tetraacetate, hydrocarbon ils, the hydrocarbon ils emulsifying agent, perhaps mercaptobenzothiazoler, NaOH, butyl xanthate, butyl ammonium aerofloat, disodium ethylene diamine tetraacetate, hydrocarbon ils, hydrocarbon ils emulsifying agent wherein several, in one-level group and secondary groups or one-level group, directly add in the flotation of secondary groups and three grades group, add again after perhaps making the composite collector emulsion in advance by following method:
1, earlier NaOH being mixed with concentration is 10% solution, afterwards mercaptobenzothiazoler is added in this solution,
2, select following any medicament to join in the mixed solution of 1 step: (1) butyl xanthate+butyl ammonium aerofloat; (2) butyl ammonium aerofloat+diethyldithiocarbamate; (3) butyl xanthate+butyl ammonium aerofloat+diethyldithiocarbamate;
3, in the mixed solution of 2 steps, add disodium ethylene diamine tetraacetate again;
4, press hydrocarbon ils: the mass ratio of hydrocarbon ils emulsifying agent=5-8: 1-2, mix, the water that adds 5 parts of mass parts afterwards again gets emulsion after stirring and being mixed;
5, with the mixed solution of 3 steps with after the emulsion of 4 steps mixes, promptly getting can compound main catching agent emulsion.Be diluted to 10% during use, and stir and avoid layering.
Hydrocarbon ils emulsifying agent in the described composite collector emulsion is except that alkylolamides or alkyl phenolic alcohol polyoxyethylene, and also available known other hydrocarbon ils emulsifying agent replaces.
Described cyclone is the following cyclone group of Φ 100mm.
The present invention compared with prior art has following advantage: the present invention is directed to complex copper oxide ore, the characteristics of easily selecting the refractory copper oxide mineral are arranged, adopt the mode of multiple compound medicine, the cupric oxide with particulate is easily selected in elder generation's flotation, strengthen flotation coarse grain refractory copper oxide ore again after taking off mud, to complicated especially dip-dye type cupric oxide ore, after adopting the levigate mill of stirring, strengthen flotation again, not only all can improve the rate of recovery and concentrate grade to complex copper oxide ore, shale cupric oxide ore, sulphur oxygen mixing ore deposit.Reduce the mine tailing copper content, noble metal is reclaimed with copper concentrate, effectively must utilize shale, complicated cupric oxide ore.
Description of drawings
Fig. 1 is the process chart of the embodiment of the invention 1, example 2.
Fig. 2 is the embodiment of the invention 3 process charts.
The specific embodiment
Below in conjunction with embodiment the present invention is further described, be not limited thereto but hold within the present invention.
Embodiment 1
Get Dongchuan, Yunnan Tang Dan cupric oxide ore, head grade 1.56%.Concrete processing step is as follows:
1, with the levigate classification of above-mentioned cupric oxide ore, make its granularity for-0.074mm account for 80%, control pH value 8.5, concentration 35% adds following flotation agent:
Gangue inhibitor: sodium carbonate 200g/t, waterglass 500g/t, Lignosite 200g/t;
Activator: vulcanized sodium 500g/t;
Composite collector emulsion: mercaptobenzothiazoler 12g/t, NaOH 6g/t, butyl xanthate 100g/t, butyl ammonium aerofloat 50g/t, disodium ethylene diamine tetraacetate 20g/t, diesel oil 50g/t, alkylolamides 10g/t; And make through following method: earlier NaOH is mixed with concentration and is 10% solution, mercaptobenzothiazoler is added in this solution afterwards, add butyl xanthate and butyl ammonium aerofloat again, add disodium ethylene diamine tetraacetate afterwards, add the emulsion mixing at last and be diluted to 10% and re-use, emulsion is by diesel oil: the mass ratio of alkylolamides=5: 1 mixes, and the water that adds 5 parts of mass parts afterwards again stirs and is mixed;
2, with 1 step flowsheet of slurry agitation after 7 minutes, the one-level group of carrying out 7 minutes is roughly selected, and the concentrate after roughly selecting carries out one time 2 minutes selected, secondary 1 minute selected, grade is 21.13% one-level group concentrate product; The chats of roughly selecting carries out scanning in 7 minutes, gets the one-level group and scans mine tailing;
3, the one-level group is scanned mine tailing and is taken off-the thin mud of 0.053mm through the cyclone group of Φ 100 by sand pump, sends into agitator, adds gangue inhibitor: sodium humate 100g/t, vulcanized sodium 0.5kg/t, ammonium sulfate 800g/t; Composite collector emulsion: mercaptobenzothiazoler 20g/t, NaOH 30g/t, butyl ammonium aerofloat 80g/t, diethyldithiocarbamate 30g/t, disodium ethylene diamine tetraacetate 10g/t, gasoline 100g/t, alkylolamides 30g/t (the same step 1) of the preparation method of composite collector emulsion, stirred control pH value 9.5, concentration 30% 8 minutes, carry out 8 minutes roughly select, concentrate after roughly selecting carries out one time 2 minutes selected, carries out the selected of secondary 1 minute again, grade is 20.46% secondary groups concentrate product, comprehensive one, second concentrate, its average grade is 20.99%, and the chats after roughly selecting carries out 10 minutes scanning, and tailings grade is 0.29%.
Embodiment 2
Get Yunnan Lan Pingxian cupric oxide ore, head grade 0.96%, gangue content are irony silicate.Concrete processing step is as follows:
1, above-mentioned cupric oxide ore is levigate, classification, what make granularity-0.074mm accounts for 80%, control pulp density 30%, pulp PH value 11 adds following gangue inhibitor: lime 1kg/t, waterglass 500g/t, carboxymethyl cellulose 200g/t; Activator: 1kg/t is received in sulfuration; Composite collector: mercaptobenzothiazoler 20g/t, NaOH 20g/t, butyl xanthate 150g/t, butyl ammonium aerofloat 70g/t, diethyldithiocarbamate 50g/t, disodium ethylene diamine tetraacetate 20g/t, gasoline 150g/t, alkyl phenolic alcohol polyoxyethylene 50g/t; Stirred 15 minutes, and carried out 8 minutes one-level groups and roughly select, the concentrate after the one-level group is roughly selected carries out one time 2 minutes selected, carry out the selected of secondary 1 minute again, grade is 18.9% one-level group concentrate product, remaining is rough, chats carries out scanning in 10 minutes, concentrate and scan mine tailing;
2, scan mine tailing with sand pump input Φ 75 cyclone groups, deviate from-the above thin mud of 0.053mm after, send into agitator, control pulp PH value 11, pulp density 28% adds gangue inhibitor: lime 1kg/t, waterglass 500g/t, carboxymethyl cellulose 200g/t; Add the composite collector identical with step 1, stirred 12 minutes, carrying out 7 minutes secondary groups roughly selects, scanned 9 minutes, concentrate after secondary groups is roughly selected carries out one time 2 minutes selected again, and secondary 1 minute is selected, grade is 18.36% secondary groups concentrate product, grade is 0.19% mine tailing.
Example 3
Get Yunnan Lan Pingxian cupric oxide ore, its grade is 3.25%, through following process steps:
1, above-mentioned cupric oxide ore is levigate, classification, what make granularity-0.074mm accounts for 80%, control pulp PH value 12, pulp density 24% adds following gangue inhibitor: sodium carbonate 500g/t, waterglass 1000g/t, Lignosite 300g/t; Activator: vulcanized sodium 3kg/t, ammonium sulfate 1kg/t, dithiol two sulfo-azoles 1kg/t; Add the composite collector emulsion: mercaptobenzothiazoler 30g/t, NaOH 40g/t, butyl xanthate 250g/t, butyl ammonium aerofloat 80g/t, diethyldithiocarbamate 60g/t, disodium ethylene diamine tetraacetate 20g/t, gasoline 100g/t, alkylolamides 20g/t (preparation method of composite collector emulsion is with 1 step of embodiment 1) stirred 12 minutes, and the one-level group of carrying out 10 minutes is roughly selected, concentrate after roughly selecting carries out one time 2 minutes selected, carry out the selected of secondary 1 minute again, grade is 39.24% one-level group concentrate product, the chats after roughly selecting carries out scanning in 10 minutes;
2, with the mine tailing of scanning of step 1, through sand pump input Φ 75 cyclone groups, take off-the above mud of 0.053mm after, send into agitator, control pulp PH value 12, pulp density 24% adds gangue inhibitor: sodium humate 200g/t; Activator: vulcanized sodium 1kg/t, ammonium sulfate 500g/t, dithiol two sulfo-azoles 1kg/t, copper sulphate 200g/t; Add composite collector: mercaptobenzothiazoler 10g/t, NaOH 20g/t, butyl ammonium aerofloat 50g/t, diethyldithiocarbamate 30g/t, disodium ethylene diamine tetraacetate 10g/t, kerosene 90g/t, alkylolamides 30g/t, stirred 7 minutes, carry out 7 minutes secondary groups and roughly select, the concentrate after roughly selecting carries out one time 2 minutes selected, carries out the selected of secondary 1 minute again, grade is 30.76% secondary groups concentrate product, the chats after roughly selecting carries out scanning in 10 minutes;
3,2 steps are scanned mine tailing and send into the stirring mill, what be milled to granularity-0.043mm accounts for 80%, sends in the agitator, adds gangue inhibitor: sodium carbonate 300g/t, waterglass 500g/t, Lignosite 200g/t; Activator: 1kg/t is received in sulfuration, ammonium sulfate 500g/t; Composite collector: mercaptobenzothiazoler 20g/t, NaOH 20g/t, butyl xanthate 100g/t, butyl ammonium aerofloat 60g/t, diethyldithiocarbamate 50g/t, alkylolamides 30g/t, disodium ethylene diamine tetraacetate 20g/t, gasoline 100g/t; Control pulp PH value 13 afterwards, pulp density 26%, carry out roughly selecting in 9 minutes, concentrate after roughly selecting carries out one time 2 minutes selected, carry out the selected of secondary 1 minute again, grade is 21.31% concentrate product, the chats after roughly selecting carries out 9 minutes scanning, get the mine tailing of cupric 0.41%, the comprehensive grade of the concentrate of 3 steps is 30.22%.
Claims (5)
1, a kind of beneficiation method of complex copper oxide ore comprises ore grinding and flotation, wherein grinde ore granularity :-0.043mm～-the accounting for more than 80% of 0.074mm, it is characterized in that through following process steps:
A, levigate pulp density is controlled at 24-36%, pH value is controlled at 8.5-12, adds flotation agent in ore pulp, stir after 7-16 minute, ore pulp is sent into flotation cell, the one-level group of carrying out 7-10 minute is roughly selected, carry out 7-10 minute scan again, one-level group rough concentrate and mine tailing;
B, to the one-level group rough concentrate of A step carry out 2-3 time selected, each 1-2 minute, one-level group concentrate product;
C, the mine tailing of A step is sent into the cyclone group, deviates from-the above mud of 0.053mm, ore pulp;
D, the ore pulp of C step is sent into agitator, control pulp PH value 11-13, pulp density 24-30% adds flotation agent, stirs after 7-10 minute, carries out 7-10 minute secondary groups and roughly selects, and carries out 7-10 minute scan again, must secondary groups rough concentrate and mine tailing;
E, to the secondary groups rough concentrate of D step carry out 2-3 time selected, each 1-2 minute, secondary groups concentrate product;
F, the mine tailing of D step is sent into the mine tailing recycle bin, perhaps carries out following processing:
Mine tailing is sent into the stirring mill, what be milled to granularity-0.043mm accounts for 80%, control pulp density 20-25%, pulp PH value 11-14, add flotation agent, stir after 7-10 minute, three grades of groups of carrying out 7-10 minute are roughly selected, and carry out 7-10 minute scan again, the concentrate that three grades of groups are roughly selected is through 2-3 time, each 1-2 minute selected, the concentrate product, mine tailing send recycle bin;
Wherein, the flotation agent that is added is:
(1) difference by its contained gangue kind adds following inhibitor:
To gangue is the ore pulp of irony calciate, adds following inhibitor in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups altogether:
Sodium carbonate 200-800g/t
Waterglass 600-1500g/t
Lignosite 200-500g/t
Sodium humate 100-300g/t
Perhaps, be the ore pulp of irony silicate to gangue, in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add following inhibitor altogether:
Lime 1-3kg/t
Waterglass 500-1000g/t
Carboxymethyl cellulose 200-800g/t
(2) in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add following activator altogether:
Vulcanized sodium 1-5kg/t
Ammonium sulfate 0.4-1kg/t
Perhaps
Vulcanized sodium 1-5kg/t
Ammonium sulfate 0.4-1kg/t
Dithiol two sulfo-azoles 0.5-1kg/t
Perhaps
Vulcanized sodium 1-5kg/t
Ammonium sulfate 0.4-1kg/t
Dithiol two sulfo-azoles 0.5-1kg/t
Copper sulphate 0.2-0.6kg/t
(3) in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add following composite collector altogether:
Mercaptobenzothiazoler 12-50g/t
NaOH 6-60g/t
Butyl xanthate 100-300g/t
Butyl ammonium aerofloat 50-150g/t
Disodium ethylene diamine tetraacetate 10-50g/t
Hydrocarbon ils 50-300g/t
Hydrocarbon ils emulsifying agent 40-100g/t
Perhaps
Mercaptobenzothiazoler 12-50g/t
NaOH 6-60g/t
Butyl ammonium aerofloat 50-150g/t
Diethyldithiocarbamate 30-100g/t
Disodium ethylene diamine tetraacetate 10-50g/t
Hydrocarbon ils 50-300g/t
Hydrocarbon ils emulsifying agent 40-100g/t
Perhaps
Mercaptobenzothiazoler 12-50g/t
NaOH 6-60g/t
Butyl xanthate 100-300g/t
Butyl ammonium aerofloat 50-150g/t
Diethyldithiocarbamate 30-100g/t
Disodium ethylene diamine tetraacetate 10-50g/t
Hydrocarbon ils 50-300g/t
Hydrocarbon ils emulsifying agent 40-100g/t
Hydrocarbon ils is kerosene or diesel oil or gasoline, and the hydrocarbon ils emulsifying agent is alkylolamides or alkyl phenolic alcohol polyoxyethylene.
2, the beneficiation method of complex copper oxide ore according to claim 1, it is characterized in that the inhibitor in the described flotation agent, be sodium carbonate, waterglass, Lignosite, sodium humate, perhaps lime, waterglass, carboxymethyl cellulose wherein one or more, in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add.
3, the beneficiation method of complex copper oxide ore according to claim 1, it is characterized in that the activator in the described flotation agent, be vulcanized sodium, ammonium sulfate, perhaps vulcanized sodium, ammonium sulfate, dithiol two sulfo-azoles, perhaps vulcanized sodium, ammonium sulfate, dithiol two sulfo-azoles, copper sulphate wherein one or more, in one-level group and secondary groups or one-level group, secondary groups and the flotation of three grades of groups, add.
4, the beneficiation method of complex copper oxide ore according to claim 1, it is characterized in that described composite collector, it is mercaptobenzothiazoler, NaOH, butyl xanthate, butyl ammonium aerofloat, disodium ethylene diamine tetraacetate, hydrocarbon ils, the hydrocarbon ils emulsifying agent, perhaps mercaptobenzothiazoler, NaOH, diethyldithiocarbamate, butyl ammonium aerofloat, disodium ethylene diamine tetraacetate, hydrocarbon ils, the hydrocarbon ils emulsifying agent, perhaps mercaptobenzothiazoler, NaOH, butyl xanthate, butyl ammonium aerofloat, disodium ethylene diamine tetraacetate, hydrocarbon ils, hydrocarbon ils emulsifying agent wherein several, in one-level group and secondary groups or one-level group, directly add in the flotation of secondary groups and three grades group, add again after perhaps making the composite collector emulsion in advance by following method:
NaOH be mixed with concentration and be 10% solution, afterwards mercaptobenzothiazoler is added in this solution (1), earlier,
(2), select following any medicament to join in the mixed solution of 1 step: (I) butyl xanthate+butyl ammonium aerofloat; (II) butyl ammonium aerofloat+diethyldithiocarbamate; (III) butyl xanthate+butyl ammonium aerofloat+diethyldithiocarbamate;
(3), in the mixed solution of 2 steps, add disodium ethylene diamine tetraacetate again;
(4), press hydrocarbon ils: the mass ratio of hydrocarbon ils emulsifying agent=5-8: 1-2, mix, after the water that adds 5 parts of mass parts afterwards again stirs and is mixed, emulsion;
(5), with the mixed solution of 3 steps with after the emulsion of 4 steps mixes, promptly getting can compound main catching agent emulsion.
5, the beneficiation method of complex copper oxide ore according to claim 1 is characterized in that described cyclone group is the following cyclone group of Φ 100mm.
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