CN101690917A - Method for separating copper-sulfur sulfurized minerals - Google Patents
Method for separating copper-sulfur sulfurized minerals Download PDFInfo
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- CN101690917A CN101690917A CN200910235328A CN200910235328A CN101690917A CN 101690917 A CN101690917 A CN 101690917A CN 200910235328 A CN200910235328 A CN 200910235328A CN 200910235328 A CN200910235328 A CN 200910235328A CN 101690917 A CN101690917 A CN 101690917A
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Abstract
The invention discloses a separation method of copper-sulfur sulfurized minerals, and belongs to the technical field of mineral dressing. The method takes raw ores of copper-sulfur sulfurized minerals as raw materials and comprises the following steps: and carrying out flotation separation on the raw ore of the copper-sulfur sulfurized minerals to obtain copper concentrate minerals or obtain the copper concentrate minerals and sulfur concentrate minerals, and adding water-soluble thioglycolate or thioglycolic acid as an inhibitor for the sulfur sulfurized minerals in the separated minerals in the flotation separation process of the raw ore of the copper-sulfur sulfurized minerals. Because the water-soluble thioglycolate or thioglycollic acid serving as the inhibitor of the sulfur sulfurized minerals has the advantages of good selectivity, strong inhibition capability, small dosage, convenient addition and the like, the water-soluble thioglycolate or thioglycollic acid not only can well inhibit the sulfur sulfurized minerals and achieve better flotation effect; meanwhile, the water-soluble thioglycolate or thioglycollic acid has little influence on the environment, does not pollute the environment, well improves the production condition and overcomes the defect that the common medicament has large dosage and damages the environment.
Description
Technical field
The present invention relates to the technique of preparing field, particularly relate to the separation method of kind of copper-sulfur sulfurized minerals.
Background technology
At present, flotation obtains to copper sulphur mixing raw ore copper-sulfide mixed concentrate adopt press down the floating copper method of sulphur carry out copper sulphur content from the time, adopt flotation separation method usually, often in the FLOTATION SEPARATION process add conventional medicament, as the inhibitor as sulfur sulfurized minerals such as lime.
The shortcoming of above-mentioned prior art is:
Conventional dose such as lime are owing to poor selectivity, and a little less than the inhibition ability, reagent consumption is big, and unit mineral dosing makes with medicament that environment is had destruction up to tens kilograms in a large number.
Dosing is big, and high concentration is added (being generally 5% or 10%), stops up pharmaceutical pipeline easily, and pharmaceutical supply is discontinuous, and separating effect is bad.
Summary of the invention
Based on the deficiency that above-mentioned prior art exists, the embodiment of the invention provides a kind of separation method of copper-sulfur sulfurized minerals, the efficient sulfur sulfurized minerals in the separating copper sulphide ore mineral, and the energy natural decomposition, and low toxicity can reduce the characteristics of environmental pollution.
The objective of the invention is to be achieved through the following technical solutions.
The embodiment of the invention provides a kind of separation method of copper-sulfur sulfurized minerals, and this method is a raw material with the raw ore of copper-sulfur sulfurized minerals, comprising:
The raw ore of described copper-sulfur sulfurized minerals is carried out FLOTATION SEPARATION obtain the copper concentrate mineral, perhaps obtain copper concentrate mineral and sulphur concentrate mineral, in raw ore FLOTATION SEPARATION process, add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral to described copper-sulfur sulfurized minerals.
From the technical scheme of the invention described above embodiment as can be seen, because the raw ore at copper-sulfur sulfurized minerals in the embodiment of the invention is that raw material carries out in the FLOTATION SEPARATION process, adopt water-soluble thioglycolate salt or TGA as inhibitor to the sulfur sulfurized minerals in institute's separating mineral, because water-soluble thioglycolate salt or TGA have advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress sulfur sulfurized minerals, reach better flotation effect; Simultaneously,, can not pollute, well improve working condition, overcome the shortcoming that the big environmental pollution of dosing commonly used destroys environment because water-soluble thioglycolate salt or TGA have fewer environmental impacts.And the inhibitor in the embodiment of the invention is that water-soluble solution also has convenient, the safe in utilization advantage of interpolation.For separating, copper-sulfur sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Description of drawings
The separation method process chart of the copper-sulfur sulfurized minerals that Fig. 1 provides for the embodiment of the invention 1;
The separation method process chart of the copper-sulfur sulfurized minerals that Fig. 2 provides for the embodiment of the invention 5.
The specific embodiment
The invention provides a kind of separation method of copper-sulfur sulfurized minerals, mainly be that raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of described copper-sulfur sulfurized minerals is carried out FLOTATION SEPARATION obtain the copper concentrate mineral, perhaps obtain copper concentrate mineral and sulphur concentrate mineral, in raw ore FLOTATION SEPARATION process, add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral to described copper-sulfur sulfurized minerals.
In the said method, raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of described copper-sulfur sulfurized minerals is carried out FLOTATION SEPARATION obtain the copper concentrate mineral, in each step of floatation process, when needing to press down sulphur lifting copper grade, all add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral; Perhaps the raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of described copper-sulfur sulfurized minerals is carried out FLOTATION SEPARATION to be obtained in the process of copper concentrate mineral and sulphur concentrate mineral, in each step of floatation process, when needing to press down sulphur lifting copper grade, all add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral.Wherein, the consumption of inhibitor is that corresponding institute per ton separating mineral adds 10～500g, and the water-soluble thioglycolate salt in the inhibitor can adopt that sodium thioglycolate, TGA potassium, ammonium mercaptoacetate, TGA lithium, TGA are ferrous, in the calcium mercaptoacetate, TGA magnesium any.Can after adding inhibitor, the mineral that separated be carried out stirring in 3～10 minutes, reach better flotation effect so that inhibitor better plays a role.
Water-soluble thioglycolate salt or TGA can be to the sulfur vulcanization ore deposit good restraining in the mineral, because there are two polar groups in thioglycolate salt and TGA molecular structure in the aqueous solution, promptly-SH and-COOH,-SH and sulfur sulfurized minerals generation chemical reaction absorption mineral surfaces, and-COOH shows hydrophily and forms moisture film, and be suppressed.Make with water-soluble thioglycolate salt or TGA as inhibitor to the sulfur sulfurized minerals in the floatation process, have advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress sulfur sulfurized minerals, reach better flotation effect; Simultaneously,, can not pollute, well improve working condition, overcome the shortcoming that the big environmental pollution of dosing commonly used destroys environment because water-soluble thioglycolate salt or TGA have fewer environmental impacts.And the inhibitor in the embodiment of the invention is that water-soluble solution also has convenient, the safe in utilization advantage of interpolation.For separating, copper-sulfur sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Be described further below in conjunction with the separation method of the drawings and specific embodiments the invention described above.
Embodiment 1
Present embodiment 1 provides a kind of separation method of copper-sulfur sulfurized minerals, is that the raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of this copper-sulfur sulfurized minerals is carried out diffeential floatation separate the method that obtains the copper concentrate mineral, and this method comprises:
Raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of copper-sulfur sulfurized minerals is separated to roughly select obtaining copper rough concentrate mineral; Raw ore to copper-sulfur sulfurized minerals separates in the rougher process, adds water-soluble thioglycolate salt or TGA as the inhibitor to the sulfur sulfurized minerals in institute's separating mineral;
Afterwards the described copper rough concentrate mineral that obtain are carried out selected separation and obtain the copper concentrate mineral, in copper rough concentrate mineral refining process, also add water-soluble thioglycolate salt or TGA as inhibitor to the sulfur sulfurized minerals in institute's separating mineral.
Below in conjunction with accompanying drawing 1, above-mentioned separation method is described further:
As shown in Figure 1, this method is that the raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore mineral are carried out detached job, the raw ore mineral are joined flotation cell, in flotation cell, add water-soluble thioglycolate salt or TGA as inhibitor to the sulfur sulfurized minerals in institute's separating mineral, thereby realize pressing down sulphur and promote copper grade, separate obtaining the copper rough concentrate after the stirring flotation, generally stir about 3～10 minutes;
The above-mentioned copper rough concentrate that obtains is carried out the selected copper concentrate that obtains, also add water-soluble thioglycolate salt or TGA in the refining process as inhibitor to sulfur sulfurized minerals in institute's separating mineral; General selected will carrying out 3 times from selected III step, generally adds inhibitor at copper sulphur content from selected II, copper sulphur content from selected I, copper sulphur content as the copper sulphur content among Fig. 1 in selected I, II, III step.
Process below in conjunction with the raw ore FLOTATION SEPARATION being obtained the copper concentrate mineral is described further said method:
Used copper sulphur green ore grade is Cu 0.53%, S 3.27%, to carry out copper sulphur content from roughly selecting operation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of sodium thioglycolate simultaneously as sulfur vulcanization thing in institute's separating mineral, the consumption that adds inhibitor is 70g/t, and the promptly corresponding mineral that separate per ton add the 70g inhibitor, stir 3 minutes, FLOTATION SEPARATION obtains the copper rough concentrate, and sulfur sulfurized minerals is generally as tailings discharging or enter next operation;
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add sodium thioglycolate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 10g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 20.02% and 89.15%.
Because sodium thioglycolate has advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress sulfur sulfurized minerals, reaches better flotation effect; Simultaneously,, can not pollute, well improve working condition, overcome the shortcoming that the big environmental pollution of dosing commonly used destroys environment because sodium thioglycolate has fewer environmental impacts.And the inhibitor in the embodiment of the invention is that water-soluble solution also has convenient, the safe in utilization advantage of interpolation.For separating, copper-sulfur sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Embodiment 2
Present embodiment 2 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, raw ore to this copper-sulfur sulfurized minerals carries out the method that FLOTATION SEPARATION obtains the copper concentrate mineral, the separation method that this method and embodiment 1 provide is basic identical, different is in the FLOTATION SEPARATION process to mineral, as the inhibitor to sulfur sulfurized minerals in institute's separating mineral, concrete steps are as follows with TGA potassium:
Used copper sulphur green ore grade is Cu 0.61%, S 11.23%, to carry out copper sulphur content from roughly selecting operation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of TGA potassium simultaneously as sulfur vulcanization thing in institute's separating mineral, the consumption that adds inhibitor is 500g/t, and the promptly corresponding mineral that separate per ton add the 500g inhibitor, stir 5 minutes, FLOTATION SEPARATION obtains the copper rough concentrate, and sulfur sulfurized minerals is generally as tailings discharging or enter next operation;
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add TGA potassium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 200g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 20.33% and 86.33%.
Because TGA potassium has advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress sulfur sulfurized minerals, reaches better flotation effect, and is little to ambient influnence simultaneously, can not pollute.
Embodiment 3
Present embodiment 3 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, raw ore to this copper-sulfur sulfurized minerals carries out the method that FLOTATION SEPARATION obtains the copper concentrate mineral, the separation method that this method and embodiment 1 provide is basic identical, different is in the FLOTATION SEPARATION process to mineral, as the inhibitor to sulfur sulfurized minerals in institute's separating mineral, concrete steps are as follows with ammonium mercaptoacetate:
Used copper sulphur green ore grade is Cu 0.55%, S 4.98%, to carry out copper sulphur content from roughly selecting operation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of ammonium mercaptoacetate simultaneously as sulfur vulcanization thing in institute's separating mineral, the consumption that adds inhibitor is 260g/t, and the promptly corresponding mineral that separate per ton add the 260g inhibitor, stir 3 minutes, FLOTATION SEPARATION obtains the copper rough concentrate, and sulfur sulfurized minerals is generally as tailings discharging or enter next operation;
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add ammonium mercaptoacetate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 80g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 19.92% and 89.38%.
Because ammonium mercaptoacetate has advantages such as selectivity is good, the inhibition ability is strong, consumption is few, interpolation is convenient, not only can well suppress sulfur sulfurized minerals, reaches better flotation effect, and is little to ambient influnence simultaneously, can not pollute.
Embodiment 4
Present embodiment 4 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, raw ore to this copper-sulfur sulfurized minerals carries out the method that FLOTATION SEPARATION obtains the copper concentrate mineral, the separation method that this method and embodiment 1 provide is basic identical, different is in the FLOTATION SEPARATION process to mineral, as the inhibitor to sulfur sulfurized minerals in institute's separating mineral, concrete steps are as follows with TGA potassium:
Used copper sulphur green ore grade is Cu 0.81%, S 5.29%, to carry out copper sulphur content from roughly selecting operation in the raw ore ore adding flotation cell, separate in the rougher process, add the inhibitor of TGA simultaneously as sulfur vulcanization thing in institute's separating mineral, the consumption that adds inhibitor is 220g/t, and the promptly corresponding mineral that separate per ton add the 220g inhibitor, stir 3 minutes, FLOTATION SEPARATION obtains the copper rough concentrate, and sulfur sulfurized minerals is generally as tailings discharging or enter next operation;
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add the TGA lithium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 60g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 18.62% and 90.33%.
In the present embodiment in the different step of flotation, respectively with TGA and a kind of water-soluble thioglycolate salt (TGA lithium) inhibitor as sulfur vulcanization thing in institute's separating mineral, can reach with the various embodiments described above in identical FLOTATION SEPARATION effect.
Can know that the inhibitor in the foregoing description can use also that TGA lithium, TGA are ferrous, in the calcium mercaptoacetate, TGA magnesium any, so long as a kind of water-soluble thioglycolate salt all can use.
In the various embodiments described above, refer generally to copper sulfide minerals such as chalcopyrite, vitreous copper, bornite with the copper sulfurized ore mineral in the raw ore of the copper sulfurized ore of raw material as separation; Sulfur sulfurized minerals in the raw ore of copper sulfurized ore refers generally to pyrite and magnetic iron ore.
Embodiment 5
Present embodiment 5 provides a kind of separation method of copper-sulfur sulfurized minerals, is that the raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of this copper-sulfur sulfurized minerals is carried out bulk flotation separate the method that obtains copper concentrate mineral and sulphur concentrate mineral, and this method specifically comprises:
The raw ore of copper-sulfur sulfurized minerals is a raw material, the raw ore of copper-sulfur sulfurized minerals is mixed to roughly select obtaining copper stream mixed crude concentrate mineral, described copper stream mixed crude concentrate mineral is carried out copper sulphur again mix the selected copper-sulfide mixed concentrate that obtains; In this two step, do not need to add inhibitor to sulfur sulfurized minerals;
The described copper-sulfide mixed concentrate mineral that obtain are separated roughly select, described copper-sulfide mixed concentrate mineral can not dewatered reagent removal and directly carry out FLOTATION SEPARATION, perhaps, described copper-sulfide mixed concentrate mineral are dewatered carry out FLOTATION SEPARATION again after the reagent removal, separate obtaining copper rough concentrate and sulphur rough concentrate; In separating rougher process, add water-soluble thioglycolate salt or TGA as inhibitor, to obtain copper rough concentrate mineral and sulphur rough concentrate mineral to sulfur sulfurized minerals in institute's separating mineral.
The copper rough concentrate mineral that obtain after afterwards separation being roughly selected carry out selected separation and obtain the copper concentrate mineral, in refining process, add water-soluble thioglycolate salt or TGA as the inhibitor to sulfur sulfurized minerals in institute's separating mineral;
To separate the sulphur rough concentrate mineral that obtain after roughly selecting carry out copper and scan to separate and obtain sulphur concentrate mineral, scan in the process at copper, add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral;
In the above steps, the consumption of the inhibitor that adds is to add 10～500 grams in the corresponding institute per ton separating mineral, inhibitor can directly join in the mineral that separated, or be to join in the mineral that separated again after solvent is mixed with weak solution with water, can be after adding inhibitor, the mineral that separated are carried out stirring in 3～10 minutes, reach better flotation effect so that inhibitor better plays a role.
Refer generally to copper coins such as chalcopyrite, vitreous copper, bornite as separation with the copper sulfurized ore mineral in the raw ore of the copper sulfurized ore of raw material in the said method and mould sulfide mineral; Sulfur sulfurized minerals in the raw ore of copper sulfurized ore refers generally to pyrite and magnetic iron ore.
In the above-mentioned separation method, owing in floatation process, add water-soluble thioglycolate salt or TGA as inhibitor, because the characteristics that this inhibitor has that selectivity is good, the inhibition ability is strong, it is convenient to add, but low toxicity and flotation residual pharmacy natural decomposition become nontoxic or little poisonous substance matter discharging, it is a kind of hypotoxic inhibitor, when reaching better FLOTATION SEPARATION effect, and can reduce pollution to environment, can improve the working condition that copper-sulfur sulfurized minerals is separated, utilize this inhibitor that the method for the sulfur sulfurized minerals in a kind of efficient separating copper sulphide ore can be provided.The separation method that utilizes the embodiment of the invention to copper-sulfide mixed concentrate separate can obtain cupric greater than 20.0% copper concentrate and sulphur grade greater than 45.0% sulphur concentrate.
In the above-mentioned separating mineral process, the water-soluble thioglycolate salt or the TGA of adding can directly add, and can be solvent with water also, behind the dilute with water, add with the weak solution form.This inhibitor has not only overcome the shortcoming that the big environmental pollution of dosing commonly used destroys, and also has the characteristics such as convenient, safe in utilization of adding simultaneously.For separating, copper-sulfur sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
Below in conjunction with Fig. 2 with to the concrete separation process of copper-sulfide mixed concentrate mineral, the invention will be further described:
As shown in Figure 2, this method is that the raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of copper-sulfur sulfurized minerals separated to roughly select obtaining copper stream mixed crude concentrate mineral, described copper stream mixed crude concentrate mineral are carried out copper sulphur again mix the selected copper-sulfide mixed concentrate that obtains; In this two step, do not need to add inhibitor to sulfur sulfurized minerals;
The copper-sulfide mixed concentrate mineral that obtain are carried out detached job again in flotation cell, specifically: earlier the copper-sulfide mixed concentrate mineral are carried out copper sulphur content from roughly selecting, be about to copper-sulfide mixed concentrate and add flotation cell, add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral, and stirring flotation, the general stirring about 3～10 minutes, FLOTATION SEPARATION obtains copper rough concentrate and sulphur rough concentrate respectively;
Again the copper rough concentrate that obtains is carried out the selected copper concentrate that obtains, also add water-soluble thioglycolate salt or TGA in the refining process as inhibitor to sulfur sulfurized minerals in institute's separating mineral; General selectedly to carry out twice, as the copper sulphur content among Fig. 2 from selected I, copper sulphur content from selected II step, twice copper sulphur content all adds inhibitor in selected;
The sulphur rough concentrate that obtains is carried out copper scan and obtain the sulphur concentrate, copper is scanned and is also added in water-soluble thioglycolate salt or the TGA any in the process as the inhibitor to sulfur sulfurized minerals in institute's separating mineral; General copper is scanned and will be carried out twice, and from scanning I, copper sulphur content from scanning the II step, twice bronze medal sulphur content all adds inhibitor in scanning as the copper sulphur content among Fig. 2.
Be example so that certain copper sulphur ore deposit ore is carried out separating process below, said method be described further:
Used copper sulphur green ore grade is Cu 1.66%, S 3.23%, and the raw ore ore obtains copper sulphur mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper sulphur mixed crude concentrate mineral that obtain is carried out copper sulphur and mixes the selected copper-sulfide mixed concentrate mineral that obtain; All do not add inhibitor in this two step to sulfur sulfurized minerals;
The above-mentioned copper-sulfide mixed concentrate mineral that obtain are directly added and carry out copper sulphur content in the flotation cell from operation without the dehydration reagent removal; At copper sulphur content in operation, earlier the copper-sulfide mixed concentrate mineral are separated and roughly select, in the rougher process, add sodium thioglycolate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 80g/t, the mineral that separate promptly corresponding per ton add the 80g inhibitor, stir 3 minutes, and FLOTATION SEPARATION obtains copper rough concentrate and sulphur rough concentrate (general sulphur rough concentrate is as mine tailing);
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add sodium thioglycolate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 10g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 23.02% and 94.15%;
Sulphur rough concentrate as mine tailing is carried out copper again to be scanned, copper is scanned in the process, add sodium thioglycolate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 30g/t, under stirring, FLOTATION SEPARATION obtains the sulphur concentrate, and the grade of sulphur and the detached job rate of recovery are respectively 48.55% and 78.63% in the sulphur concentrate that obtains.
Embodiment 6
Present embodiment 6 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of this copper-sulfur sulfurized minerals is carried out bulk flotation separate and obtain copper concentrate and sulphur concentrate method, the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used copper sulphur green ore grade is Cu 2.61%, S 1.23%, and the raw ore ore obtains copper sulphur mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper sulphur mixed crude concentrate mineral that obtain is carried out copper sulphur and mixes the selected copper-sulfide mixed concentrate mineral that obtain; All do not add inhibitor in this two step to sulfur sulfurized minerals;
The above-mentioned copper-sulfide mixed concentrate mineral that obtain are directly added and carry out copper sulphur content in the flotation cell from operation without the dehydration reagent removal; At copper sulphur content in operation, earlier the copper-sulfide mixed concentrate mineral are separated and roughly select, in the rougher process, add TGA potassium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 10g/t, the mineral that separate promptly corresponding per ton add the 10g inhibitor, stir 5 minutes, and FLOTATION SEPARATION obtains copper rough concentrate and sulphur rough concentrate (general sulphur rough concentrate is as mine tailing);
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add TGA potassium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 10g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 20.12% and 90.33%;
Sulphur rough concentrate as mine tailing is carried out copper again to be scanned, copper is scanned in the process, add TGA potassium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 10g/t, under stirring, FLOTATION SEPARATION obtains the sulphur concentrate, and the grade and the detached job rate of recovery that obtain sulphur in the sulphur concentrate are respectively 47.32% and 80.88%.
TGA potassium with less consumption in the present embodiment adds in institute's separating mineral as inhibitor, when having overcome the big environmental pollution destruction of dosing commonly used, has also reached separating effect preferably; And the TGA potassium that adds, can directly add or be diluted with water to the aqueous solution after add, have and add conveniently, characteristics safe in utilization provide a kind of effective ways easy to use, low in the pollution of the environment for copper-sulfur sulfurized minerals separates.
Embodiment 7
Present embodiment 7 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of this copper-sulfur sulfurized minerals is carried out bulk flotation separate and obtain copper concentrate and sulphur concentrate method, the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used copper sulphur green ore grade is Cu 3.26%, S 16.23%, and the raw ore ore obtains copper sulphur mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper sulphur mixed crude concentrate mineral that obtain is carried out copper sulphur and mixes the selected copper-sulfide mixed concentrate mineral that obtain; All do not add inhibitor in this two step to sulfur sulfurized minerals;
The above-mentioned copper-sulfide mixed concentrate mineral that obtain are directly added and carry out copper sulphur content in the flotation cell from operation without the dehydration reagent removal; At copper sulphur content in operation, earlier the copper-sulfide mixed concentrate mineral are separated and roughly select, in the rougher process, add ammonium mercaptoacetate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 500g/t, the mineral that separate promptly corresponding per ton add the 500g inhibitor, stir 8 minutes, and FLOTATION SEPARATION obtains copper rough concentrate and sulphur rough concentrate (general sulphur rough concentrate is as mine tailing);
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add ammonium mercaptoacetate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 200g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 20.07% and 92.18%;
Sulphur rough concentrate as mine tailing is carried out copper again to be scanned, copper is scanned in the process, add ammonium mercaptoacetate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 100g/t, under stirring, FLOTATION SEPARATION obtains the sulphur concentrate, and the grade and the detached job rate of recovery that obtain sulphur in the sulphur concentrate are respectively 50.32% and 80.63%.
Add in institute's separating mineral as inhibitor with ammonium mercaptoacetate in the present embodiment, when having overcome the big environmental pollution of dosing commonly used and destroy, reached separating effect preferably simultaneously; And the ammonium mercaptoacetate that adds, can directly add or be diluted with water to the aqueous solution after add, have and add conveniently, characteristics safe in utilization provide a kind of effective ways easy to use, low in the pollution of the environment for copper-sulfur sulfurized minerals separates.
Embodiment 8
Present embodiment 8 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of this copper-sulfur sulfurized minerals is carried out bulk flotation separate and obtain copper concentrate and sulphur concentrate method, the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used copper sulphur green ore grade is Cu 1.36%, S 5.23%, and the raw ore ore obtains copper sulphur mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper sulphur mixed crude concentrate mineral that obtain is carried out copper sulphur and mixes the selected copper-sulfide mixed concentrate mineral that obtain; All do not add inhibitor in this two step to sulfur sulfurized minerals;
The above-mentioned copper-sulfide mixed concentrate mineral that obtain are directly added and carry out copper sulphur content in the flotation cell from operation without the dehydration reagent removal; At copper sulphur content in operation, earlier the copper-sulfide mixed concentrate mineral are separated and roughly select, in the rougher process, add TGA as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 200g/t, the mineral that separate promptly corresponding per ton add the 200g inhibitor, stir 3 minutes, separate to obtain copper rough concentrate and sulphur rough concentrate (general sulphur rough concentrate is as mine tailing);
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add TGA as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 50g/t, under stirring, separate obtaining copper concentrate, the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 21.02% and 94.17%;
Sulphur rough concentrate as mine tailing is carried out copper again to be scanned, copper is scanned in the process, add TGA as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 70g/t, under stirring, separate obtaining the sulphur concentrate, the grade and the detached job rate of recovery that obtain sulphur in the sulphur concentrate are respectively 48.55% and 79.54%.
Add in institute's separating mineral as inhibitor with TGA in the present embodiment, when having overcome the big environmental pollution of dosing commonly used and destroy, reached separating effect preferably simultaneously; And the TGA that adds, can directly add or be diluted with water to the aqueous solution after add, have and add conveniently, characteristics safe in utilization provide a kind of effective ways easy to use, low in the pollution of the environment for copper-sulfur sulfurized minerals separates.
Embodiment 9
Present embodiment 9 provides a kind of separation method of copper-sulfur sulfurized minerals, be that raw ore with copper-sulfur sulfurized minerals is a raw material, the raw ore of this copper-sulfur sulfurized minerals is carried out bulk flotation separate and obtain copper concentrate and sulphur concentrate method, the separation method that this method and embodiment 5 provide is basic identical, specifically comprises:
Used copper sulphur green ore grade is Cu 2.66%, S 5.63%, and the raw ore ore obtains copper sulphur mixed crude concentrate mineral after FLOTATION SEPARATION is roughly selected, and again the copper sulphur mixed crude concentrate mineral that obtain is carried out copper sulphur and mixes the selected copper-sulfide mixed concentrate mineral that obtain; All do not add inhibitor in this two step to sulfur sulfurized minerals;
Carry out copper sulphur content in the flotation cell from operation with joining again after the above-mentioned copper-sulfide mixed concentrate mineral process dehydration reagent removal that obtains; At copper sulphur content in operation, earlier the copper-sulfide mixed concentrate mineral are separated and roughly select, in the rougher process, add ammonium mercaptoacetate as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 480g/t, the mineral that separate promptly corresponding per ton add the 480g inhibitor, stir 3 minutes, and FLOTATION SEPARATION obtains copper rough concentrate and sulphur rough concentrate (general sulphur rough concentrate is as mine tailing);
Carry out selected again to the copper rough concentrate that obtains, in the refining process, add TGA potassium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 120g/t, under stirring, FLOTATION SEPARATION obtains copper concentrate, and the grade and the detached job rate of recovery of the copper concentrate copper that obtains are respectively 22.02% and 94.15%;
The sulphur rough concentrate as mine tailing that obtains is carried out copper again to be scanned, copper is scanned in the process, add TGA magnesium as inhibitor to sulfur sulfurized minerals, the consumption that adds inhibitor is 40g/t, under stirring, separate obtaining the sulphur concentrate, the grade of sulphur and the detached job rate of recovery are respectively 48.51% and 77.63% in the sulphur concentrate that obtains.
Use respectively in the present embodiment ammonium mercaptoacetate, TGA potassium and TGA magnesium as roughly select, selected and copper scans the inhibitor in the process, used ammonium mercaptoacetate, TGA potassium and TGA magnesium are liquid, can directly add or be diluted in the ore pulp system of adding institute's separating mineral in the water again.Not only overcome the shortcoming that the big environmental pollution of dosing commonly used destroys, also had the characteristics such as convenient, safe in utilization of adding simultaneously; For separating, copper-sulfur sulfurized minerals provides a kind of effective ways easy to use, low in the pollution of the environment.
In sum, in the separation method of the copper-sulfur sulfurized minerals of the embodiment of the invention, with water-soluble thioglycolate salt or TGA as in institute's separating mineral to the inhibitor of sulfur sulfurized minerals, not only overcome the shortcoming that the big environmental pollution of dosing commonly used destroys; And because water-soluble thioglycolate salt or TGA are liquid, can directly add or be diluted in back interpolation in the water, also have the characteristics such as convenient, safe in utilization of adding, provide a kind of effective ways easy to use, low in the pollution of the environment for copper-sulfur sulfurized minerals separates.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; the present invention is not caused any restriction because of the precedence of each embodiment yet; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. the separation method of a copper-sulfur sulfurized minerals, this method is a raw material with the raw ore of copper-sulfur sulfurized minerals, it is characterized in that, comprising:
The raw ore of described copper-sulfur sulfurized minerals is carried out FLOTATION SEPARATION obtain the copper concentrate mineral, perhaps obtain copper concentrate mineral and sulphur concentrate mineral, in raw ore FLOTATION SEPARATION process, add water-soluble thioglycolate salt or TGA as inhibitor to sulfur sulfurized minerals in institute's separating mineral to described copper-sulfur sulfurized minerals.
2. the separation method of copper-sulfur sulfurized minerals according to claim 1, it is characterized in that described water-soluble thioglycolate salt comprises: sodium thioglycolate, TGA potassium, ammonium mercaptoacetate, TGA lithium, TGA are ferrous, in the calcium mercaptoacetate, TGA magnesium any.
3. the separation method of copper-sulfur sulfurized minerals according to claim 1 is characterized in that: described raw ore to described copper-sulfur sulfurized minerals carries out FLOTATION SEPARATION and obtains the copper concentrate mineral and comprise:
The raw ore of described copper-sulfur sulfurized minerals separated roughly select, obtain copper rough concentrate mineral;
Afterwards the described copper rough concentrate mineral that obtain are carried out selected separation and obtain the copper concentrate mineral.
4. the separation method of copper-sulfur sulfurized minerals according to claim 3, it is characterized in that: described raw ore to described copper-sulfur sulfurized minerals separates to be roughly selected and the described copper rough concentrate mineral that obtain is carried out in the refining process, all adds water-soluble thioglycolate salt or TGA as the inhibitor to sulfur sulfurized minerals in institute's separating mineral.
5. the separation method of copper-sulfur sulfurized minerals according to claim 1 is characterized in that: described raw ore to described copper-sulfur sulfurized minerals carries out that FLOTATION SEPARATION obtains the copper concentrate mineral and sulphur concentrate mineral comprise:
Earlier the raw ore of described copper-sulfur sulfurized minerals is mixed to roughly select obtaining copper sulphur mixed crude concentrate, described copper sulphur mixed crude concentrate is mixed the selected copper-sulfide mixed concentrate that obtains;
Described copper-sulfide mixed concentrate separated to roughly select obtain copper rough concentrate and sulphur rough concentrate;
Afterwards described copper rough concentrate mineral are carried out selected separation and obtain the copper concentrate mineral, described sulphur rough concentrate mineral are carried out copper scan to separate and obtain sulphur concentrate mineral.
6. the separation method of copper-sulfur sulfurized minerals according to claim 5 is characterized in that, described copper-sulfide mixed concentrate mineral is carried out FLOTATION SEPARATION obtains the copper concentrate mineral and sulphur concentrate mineral further comprise:
The reagent removal of not dewatering is directly carried out FLOTATION SEPARATION and is obtained copper rough concentrate and sulphur rough concentrate to described copper-sulfide mixed concentrate mineral;
Perhaps, described copper-sulfide mixed concentrate mineral are dewatered carry out FLOTATION SEPARATION again after the reagent removal and obtain copper rough concentrate and sulphur rough concentrate.
7. the separation method of copper-sulfur sulfurized minerals according to claim 5, it is characterized in that: roughly select, described copper rough concentrate mineral are carried out selected and described sulphur rough concentrate mineral are carried out copper scanning in the process described described copper-sulfide mixed concentrate mineral separated, and all adds water-soluble thioglycolate salt or TGA as the inhibitor to sulfur sulfurized minerals in institute's separating mineral.
8. according to the separation method of each described copper-sulfur sulfurized minerals in the claim 1,2,4 or 5, it is characterized in that described method further comprises: after adding inhibitor, the mineral that separated are stirred, mixing time is 3～10 minutes.
9. according to the separation method of claim 1,2,4 or 5 each described copper-sulfur sulfurized minerals, it is characterized in that the consumption of the water-soluble thioglycolate salt of sulfur sulfurized minerals inhibitor or TGA is to add 10～500 grams in the institute per ton separating mineral in the conduct institute separating mineral of described adding.
10. the separation method of copper-sulfur sulfurized minerals according to claim 1 and 2, it is characterized in that the water-soluble thioglycolate salt of described adding or TGA adopt in the ore pulp system that directly joins institute's separating mineral as the inhibitor to sulfur sulfurized minerals in institute's separating mineral or to make after the water dissolving in the ore pulp system that the aqueous solution joins institute's separating mineral.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985111A (en) * | 2010-11-10 | 2011-03-16 | 云南铜业(集团)有限公司 | Copper-sulfur ore separation method |
| CN105057111A (en) * | 2015-08-28 | 2015-11-18 | 北京矿冶研究总院 | Copper-sulfur separation method for copper-sulfur ore |
| CN107855211A (en) * | 2017-11-07 | 2018-03-30 | 西部矿业股份有限公司 | A kind of complicated difficult selects the beneficiation method of high-grade copper sulphur ore deposit |
| CN107899754A (en) * | 2017-11-13 | 2018-04-13 | 西部矿业股份有限公司 | A kind of shallow crust structures method for floating of shallow crust structures highly efficient depressor composition and application said composition |
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2009
- 2009-09-30 CN CN200910235328A patent/CN101690917A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985111A (en) * | 2010-11-10 | 2011-03-16 | 云南铜业(集团)有限公司 | Copper-sulfur ore separation method |
| CN101985111B (en) * | 2010-11-10 | 2012-10-03 | 云南铜业(集团)有限公司 | Copper-sulfur ore separation method |
| CN105057111A (en) * | 2015-08-28 | 2015-11-18 | 北京矿冶研究总院 | Copper-sulfur separation method for copper-sulfur ore |
| CN107855211A (en) * | 2017-11-07 | 2018-03-30 | 西部矿业股份有限公司 | A kind of complicated difficult selects the beneficiation method of high-grade copper sulphur ore deposit |
| CN107855211B (en) * | 2017-11-07 | 2020-02-11 | 西部矿业股份有限公司 | Beneficiation method for complex refractory high-grade copper-sulfur ore |
| CN107899754A (en) * | 2017-11-13 | 2018-04-13 | 西部矿业股份有限公司 | A kind of shallow crust structures method for floating of shallow crust structures highly efficient depressor composition and application said composition |
| CN107899754B (en) * | 2017-11-13 | 2019-09-20 | 西部矿业股份有限公司 | A kind of shallow crust structures method for floating |
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