CN103878072A - Efficient composite collector for copper sulfide minerals and application of collector - Google Patents
Efficient composite collector for copper sulfide minerals and application of collector Download PDFInfo
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- CN103878072A CN103878072A CN201210555836.9A CN201210555836A CN103878072A CN 103878072 A CN103878072 A CN 103878072A CN 201210555836 A CN201210555836 A CN 201210555836A CN 103878072 A CN103878072 A CN 103878072A
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Abstract
The invention relates to an efficient composite collector for copper sulfide minerals and application of the collector. The collector is characterized by comprising ethyl isopropylxanthogenic formate, isopropyl ethyl thiocarbamate, terpenic oil, kerosene and industrial heptane. A preparation method includes: injecting a certain amount of the isopropyl ethyl thiocarbamate into a container at the temperature of 15-30 DEG C, then sequentially adding the ethyl isopropylxanthogenic formate, the erpenic oil, the kerosene and the industrial heptane under the condition of stirring, stirring for 60 minutes to allow the components to be totally dissolved, and finally subjecting the materials to standing to obtain a brownish red transparent liquid product, namely the efficient composite collector for the copper sulfide minerals. Practical application proves that the collector has the advantages of good selectivity, high in copper sulfide mineral collecting capability, simple production process and no other hazardous substances.
Description
Technical field
The present invention relates to a kind of floating agent and uses thereof, particularly relate to a kind of high efficiency composition collecting agent and purposes of complex copper sulphide mineral, synthetic one has collecting and frothing capacity simultaneously, copper sulfide mineral is shown to strong, the selective good flotation agent of collecting ability, belong to beneficiation reagent field.
Background technology
In floating separation process, in order to change the physicochemical properties of mineral surfaces and the character of medium, promote or reduce the floatability of mineral, to expand the difference of various mineral floatabilities in ore pulp, reach object separated from one another between valuable mineral and gangue and valuable mineral, conventionally need to add floating agent.
The conventional collecting agent of floating cupric sulfide mineral has combination medicament and single medicament at present.Combination medicament uses the separating effect that is conducive to improve between mineral.The one, homology medicament is used in combination, and its method is by the similar medicament applied in any combination of different alkyl, that is to say that alkyl carbon atoms counts difference and the identical collecting agent of active group structure; The 2nd, similar medicament is used in combination.It is the collecting agent applied in any combination different with active group structure.Also early there is the method for floating that simultaneously uses multiple collecting agent in floatation process in China, and they are to add respectively in use, as is used in combination the flotation agent such as xanthate and black powder and selects the non-ferrous metal such as copper, lead.
The copper sulfide mineral collecting agent existing now has xanthate class, black powder class and ester class.Xanthate collectors collecting ability is relatively strong, and selectively poor, it is more that copper concentrate is carried impurity secretly, is unfavorable for that mineral separate, the more difficult raising of copper grade; Black powder class and ester class collecting agent are selectively better, and collecting ability is relatively poor, the more difficult raising of copper recovery.And the applied in any combination such as xanthate class and black powder class, ester class, medicament kind is many aborning, make up a prescription, dosing is loaded down with trivial details, and bad control in practical operation, chemical feeding quantity is unstable, causes production target fluctuation, is unfavorable for bringing into play the action effect of medicament.In general, combination medicament floatation indicators is better than the floatation indicators of single medicament application.
Summary of the invention
One of object of the present invention is to overcome the characteristic of only emphasizing a certain floating agent in the past, emphasize medicament classification more, best a kind of medicament tool single performance, collecting agent can not have foaming characteristic, foaming agent can not have collecting, to choose to the ill in floatation process.
Two of object of the present invention is to break homology medicament and is used in combination, and breaks traditions the similar medicament applied in any combination (alkyl carbon atoms is counted difference and the identical collecting agent of active group structure) of different alkyl.
Three of object of the present invention is to adopt two kinds of nonionic collecting agents and terpenic oil, kerosene to be used in combination, and by adding auxiliary agent, forms proterties stable, not stratified and have an oily collecting agent of foaming characteristic.
Given this, the applicant is through research and great many of experiments repeatedly, provided two kinds of nonionic collecting agents, a kind of foaming agent are composite with kerosene together with, by adding solvent agent that it is fully dissolved each other, become a kind of new and effective selective copper collector.
The technical solution that the present invention provides is: this copper sulfide mineral high efficiency composition collecting agent, be characterized in that this collecting agent is made up of isopentyl xanthic acid Ethyl formate, isopropyl ethyl thiocarbamate, terpenic oil, kerosene, industrial heptane, wherein the addition of each component is by weight percentage:
Isopentyl xanthic acid Ethyl formate (purity 90%): 10～30%,
Isopropyl ethyl thiocarbamate (purity 95%): 30～70%,
Terpenic oil (purity 39%): 5～10%,
Kerosene: 5～10%,
Industry heptane: 5～10%.
Each component of collecting agent that the present invention adopts is by buying on market, and wherein isopentyl xanthic acid Ethyl formate is that Shenyang You Yan Chemical Co., Ltd. produces; Isopropyl ethyl thiocarbamate is that Tieling Beneficiation Reagent Co., Ltd. produces, and trade mark is ore deposit friend; Terpenic oil is that Tieling Beneficiation Reagent Co., Ltd. produces, and trade mark is ore deposit friend; Industry heptane is that Shenyang Chang De industrial chemicals Co., Ltd produces; Kerosene is the common kerosene that prosperous petrochemical industry trade Co., Ltd of Daliang City produces, density 0.8.Certainly, each component of above-mentioned flotation agent also can adopt the product of the same type of selling on market.
The preparation method of this copper sulfide mineral high efficiency composition collecting agent that the present invention provides is: at 15～30 DEG C of temperature, a certain amount of isopropyl ethyl thiocarbamate will be injected in a container, then under stirring, add successively isopentyl xanthic acid Ethyl formate, terpenic oil, kerosene, industry heptane, stirs 60 minutes, and each component is dissolved completely; Finally that material is static, gained brownish red transparency liquid product, is the copper mineral collecting agent that the present invention provides.
The purposes of this copper sulfide mineral high efficiency composition collecting agent that the present invention provides is: copper smelting reverberatory furnace slag flotation copper, copper smelting converter slag flotation copper, copper-zinc ore and copper lead zinc ore Floatation of Copper etc.
This copper sulfide mineral high efficiency composition collecting agent that the present invention provides is selected isopentyl xanthic acid Ethyl formate (I), isopropyl ethyl thiocarbamate (II), terpenic oil (III), kerosene (IV), industry heptane (V) is raw material, be prepared from by controlling the key technologies such as material composition ratio, make it have multiple active groups.By adding industrial heptane, 2 kinds of nonionic medicaments and terpenic oil, kerosene are organically merged under gentle condition, form stable brownish red oily transparency liquid.
This copper sulfide mineral high efficiency composition collecting agent stable performance that the present invention provides, not only selectively good, collecting ability is strong, and has certain foaming characteristic, and freezing point is low, emulsify well.This flotation agent production process is simple, and in whole production process, clean environment close friend, produces without by-product, and running cost is lower.Storage in the cool, in 3 years without mass change.The micro-water that is lighter than of proportion, d
20be 0.964～0.982, freezing point is low, and first condensation point is <-20 DEG C.
Compared with prior art, its beneficial effect is in the present invention:
(1) selectively good, in the multi-metal sulfide of cupric, only copper mineral is produced to stronger suction-operated, and to a little less than the absorption affinity such as zinc mineral and gangue.
(2) strong to the collecting ability of copper, copper recovery is high.In copper smelting reverberatory furnace slag flotation copper (copper is mainly copper sulfide and metallic copper), copper recovery reaches more than 72%, in copper smelting converter slag flotation copper (copper is mainly copper sulfide and metallic copper), copper recovery reaches more than 92%, reaches more than 93% in the copper zinc multi-metal sulfide Floatation of Copper rate of recovery; Its consumption on year-on-year basis other medicament can save 1/6～1/4, and sorting index on year-on-year basis conventional dose improve 1～5 percentage point.
Brief description of the drawings
The collecting agent kind test technology flow process of Fig. 1 copper smelting reverberatory furnace slag flotation copper;
The collecting agent kind test technology flow process of Fig. 2 copper smelting converter slag flotation copper;
The collecting agent kind test technology flow process of Fig. 3 copper-zinc ore sorting.
Specific embodiments
Below in conjunction with instantiation, technical scheme of the present invention is described in detail:
Embodiment 1: copper smelting reverberatory furnace slag flotation copper:
The copper sulfide mineral high efficiency composition collecting agent of application reverberatory furnace slag flotation copper consists of: isopentyl xanthic acid Ethyl formate 20%, isopropyl ethyl thiocarbamate 65%, terpenic oil 5%, kerosene 5%, industrial heptane 5%.
Reverberatory furnace copper slag is broadly divided into four phases under the microscope, be respectively metal sulfide phase, magnetic iron ore phase, ferrosilite phase and nature of glass phase, wherein ferrosilite, the nature of glass and magnetic iron ore content are more, metal sulfide content is less, mainly contain chalcopyrite, bornite, covellite, vitreous copper, alpha chalcocite, cobalt pyrite, carrollite, magnetic iron ore etc., wherein recyclable element is copper.
Metal sulfide is pelletiod, droplet shape more, is on a small quantity tiny irregular, and in slag, normal concentrating distributes, and granule size is inhomogeneous, and maximum can reach 1mm, the little 0.01mm that is less than.
Copper mineral is mainly by two kinds and the two or more solid solution pellet forming of chalcopyrite, bornite, vitreous copper, covellite, alpha chalcocite, between each copper mineral boundary line fuzzy, composition is fixing.In copper mineral, parcel is mingled with carrollite, magnetic iron ore and magnetic iron ore etc., tramp metal copper in part granule.In slag, contain and be tiny granular primary chalcopyrite, Yin Wendu is low and do not form molten condition, and it is little that composition changes, and only has a little secondary variation in limit portion, and product is covellite and bornite etc.Having in addition a small amount of bornite is also host mineral, and occurrence is similar to chalcopyrite.Metallic copper is generally wrapped in sulfide with fine particle, the edge that is distributed in sulfide having.
In slag, contain micro-malachite, chrysocolla, bloodstone.Malachite is mainly distributed in the top layer of slag, is that copper mineral fully contacts with oxygen, and strong alteration forms.
Copper grade 1.35% in slag, sulphur grade 0.98%.In the time that mog accounts for 85% for-0.075mm, adopt one roughing flotation process, compared with the multiple conventional collecting agent such as xanthate, black powder, ester class, roughly select this copper sulfide mineral high efficiency composition collecting agent copper recovery and improved 1.20～3.66 percentage points.Collecting agent kind test technology flow process and result of the test are shown in respectively Fig. 1 and table 1.
Table 1 collecting agent kind result of the test (%)
Embodiment 2: certain copper smelting converter slag flotation copper
The copper sulfide mineral high efficiency composition collecting agent of application copper smelting converter slag flotation copper consists of: isopentyl xanthic acid Ethyl formate 30%, isopropyl ethyl thiocarbamate 45%, terpenic oil 10%, kerosene 8%, industrial heptane 7%.
In certain copper smelting converter slag, copper sulfide mineral is mainly vitreous copper, and next also has a small amount of bornite, covellite.The many copper sulfide particles that form separately of vitreous copper, on a small quantity with latticed interspersed bornite, form the aggregate of copper sulfide together, and boundary fuzzy between bornite; Covellite content is less, forms copper sulfide with vitreous copper crystal stock.Pelletiod, droplet shape that copper sulfide does not mainly wait with thickness are distributed in slag, are on a small quantity tiny irregular, and in slag, distribute normal dispersion.In copper sulfide, the spherolitic native copper of normal parcel and granuliform cuprous oxide, also often have elemental copper to be embedded in edge, and the copper sulfide of visible particulate is wrapped in magnetic iron ore.Copper sulfide granule size is inhomogeneous, and maximum can reach 3mm, and I reaches below 0.01mm.Elemental copper is that tiny ball is granular, acinous is dispersed in slag more, and part metals copper-clad is rolled in copper sulfide, or is distributed in the edge of copper sulfide with fine strip shape.The granularity of elemental copper is thin compared with copper sulfide, and larger particles is about 0.5mm.
Trial furnace slag specimen product are in the time that mog accounts for 90% for-0.075mm, adopt this flotation agent as copper mineral collecting agent, reclaim copper through one roughing flotation process, compared with the medicaments such as this collecting agent and conventional xanthate, black powder, copper recovery has improved 1.57～5.79 percentage points.Collecting agent kind test technology flow process and result of the test are shown in respectively Fig. 2 and table 2.
Table 2 collecting agent kind result of the test (%)
Embodiment 3: certain copper-zinc ore sorting
The copper sulfide mineral high efficiency composition collecting agent of applying this copper zinc ore consists of: isopentyl xanthic acid Ethyl formate 10%, isopropyl ethyl thiocarbamate 70%, terpenic oil 5%, kerosene 10%, industrial heptane 5%.
This copper zinc Ore belongs to skarn type copper zinc vulcanizing mine stone.In ore, major metal mineral are chalcopyrite, zincblende, pyrite, limonite, are secondly covellite, malachite etc.; Gangue mineral is mainly quartz, the tremolite, olivine, pyroxene and carbonate etc.; Precious metal minerals is electrum and the kustelite of native silver, minute quantity.Raw ore cupric 1.45%, containing zinc 2.50%; The oxygenation efficiency of copper is 5.88%, and the oxygenation efficiency of zinc is 6.65%.
Experimental study adopts preferential sorting flow process, and when mog accounts for 70% for-0.075mm, compared with the medicaments such as this collecting agent and conventional xanthate, black powder, copper recovery has improved 2.34～4.58 percentage points, and zinc recovery has reduced by 14.51～28.48 percentage points.Collecting agent kind test technology flow process, result of the test are shown in respectively Fig. 3 and table 3.
Table 3 collecting agent kind result of the test (%)
Claims (6)
1. a copper sulfide mineral high efficiency composition collecting agent, be characterized in that this collecting agent is made up of isopentyl xanthic acid Ethyl formate, isopropyl ethyl thiocarbamate, terpenic oil, kerosene, industrial heptane, wherein the addition of each component is by weight percentage:
Isopentyl xanthic acid Ethyl formate (purity 90%): 10～30%,
Isopropyl ethyl thiocarbamate (purity 95%): 30～70%,
Terpenic oil (purity 39%): 5～10%,
Kerosene: 5～10%,
Industry heptane: 5～10%.
2. copper sulfide mineral high efficiency composition collecting agent according to claim 1, is characterized in that: the addition of the preferred each component of collecting agent is by weight percentage:
Isopentyl xanthic acid Ethyl formate 20%,
Isopropyl ethyl thiocarbamate 65%,
Terpenic oil 5%,
Kerosene 5%,
Industry heptane 5%.
3. copper sulfide mineral high efficiency composition collecting agent according to claim 1, is characterized in that: the addition of the preferred each component of collecting agent is by weight percentage:
Isopentyl xanthic acid Ethyl formate 30%,
Isopropyl ethyl thiocarbamate 45%,
Terpenic oil 10%,
Kerosene 8%,
Industry heptane 7%.
4. copper sulfide mineral high efficiency composition collecting agent according to claim 1, is characterized in that: the addition of the preferred each component of collecting agent is by weight percentage:
Isopentyl xanthic acid Ethyl formate 10%,
Isopropyl ethyl thiocarbamate 70%,
Terpenic oil 5%,
Kerosene 10%,
Industry heptane 5%.
5. the preparation method of copper sulfide mineral high efficiency composition collecting agent described in claim 1, it is characterized in that: at 15～25 DEG C of temperature, the ratio providing according to formula, to in container, inject isopropyl ethyl thiocarbamate, then under stirring, add successively isopentyl xanthic acid Ethyl formate, terpenic oil, kerosene, industry heptane, stirs 30 minutes, and each component is dissolved completely; Finally that material is static, gained brownish red transparency liquid product, is copper sulfide mineral high efficiency composition collecting agent.
6. the purposes of copper sulfide mineral high efficiency composition collecting agent described in claim 1, is characterized in that: for copper smelting reverberatory furnace slag flotation copper, and copper smelting converter slag flotation copper, copper-zinc ore and copper lead zinc ore Floatation of Copper etc.
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Cited By (5)
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| CN107138287A (en) * | 2017-07-07 | 2017-09-08 | 沈阳有色金属研究院 | A kind of sulfide flotation combined capturing and collecting agent and purposes |
| CN108435437A (en) * | 2018-05-09 | 2018-08-24 | 北京矿冶科技集团有限公司 | A kind of highly selective copper-molybdenum flotation collector of low alkalinity and preparation method thereof |
| CN110038730A (en) * | 2019-05-20 | 2019-07-23 | 北京矿冶科技集团有限公司 | A kind of beneficiation method containing two types copper cobalt sulfide ore containing cobalt mineralss |
| CN110560271A (en) * | 2019-09-20 | 2019-12-13 | 福州大学 | Preparation method of copper sulfide collecting agent |
| CN112337652A (en) * | 2020-10-19 | 2021-02-09 | 沈阳有色金属研究院有限公司 | Collecting agent for flotation of copper sulfide from copper oxide ore and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138287A (en) * | 2017-07-07 | 2017-09-08 | 沈阳有色金属研究院 | A kind of sulfide flotation combined capturing and collecting agent and purposes |
| CN107138287B (en) * | 2017-07-07 | 2020-03-24 | 沈阳有色金属研究院 | Sulfide ore flotation combined collecting agent and application |
| CN108435437A (en) * | 2018-05-09 | 2018-08-24 | 北京矿冶科技集团有限公司 | A kind of highly selective copper-molybdenum flotation collector of low alkalinity and preparation method thereof |
| CN110038730A (en) * | 2019-05-20 | 2019-07-23 | 北京矿冶科技集团有限公司 | A kind of beneficiation method containing two types copper cobalt sulfide ore containing cobalt mineralss |
| CN110560271A (en) * | 2019-09-20 | 2019-12-13 | 福州大学 | Preparation method of copper sulfide collecting agent |
| CN112337652A (en) * | 2020-10-19 | 2021-02-09 | 沈阳有色金属研究院有限公司 | Collecting agent for flotation of copper sulfide from copper oxide ore and application |
| CN112337652B (en) * | 2020-10-19 | 2022-06-03 | 沈阳有色金属研究院有限公司 | Collecting agent for flotation of copper sulfide from copper oxide ore and application |
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Address after: 110141 No. 7, No. 6, No. seven road, Shenyang economic and Technological Development Zone, Shenyang, Liaoning. Patentee after: Shenyang Nonferrous Metal Research Institute Co., Ltd. Address before: 110141 No. 7, No. 6, No. 7 Road, Shenyang economic and Technological Development Zone, Shenyang, Liaoning. Patentee before: Shenyang Research Institute of Nonferrous Metals |