CN103386359A - Beneficiation method for copper oxide cobalt ores - Google Patents
Beneficiation method for copper oxide cobalt ores Download PDFInfo
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- CN103386359A CN103386359A CN2013103049797A CN201310304979A CN103386359A CN 103386359 A CN103386359 A CN 103386359A CN 2013103049797 A CN2013103049797 A CN 2013103049797A CN 201310304979 A CN201310304979 A CN 201310304979A CN 103386359 A CN103386359 A CN 103386359A
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Abstract
The invention relates to a beneficiation method for copper oxide cobalt ores. The beneficiation method is characterized by comprising the following steps of 1, ore grinding, i.e. crushing and grinding raw ores; 2, copper oxide flotation, i.e. adding sodium sulfide, a collecting agent butyl xanthate and a foaming agent terpenic oil in the primary roughing process, adding sodium sulfide, butyl xanthate and terpenic oil in the primary scavenging process, adding sodium sulfide, butyl xanthate and terpenic oil in the secondary scavenging process and carrying out secondary blank concentration to obtain copper oxide concentrates and flotation tailings; and 3, magnetic separation, i.e. carrying out primary roughing magnetic separation on the flotation tailings to obtain cobalt rough concentrates and magnetic separation tailings and carrying out secondary concentration magnetic separation on the cobalt rough concentrates to obtain cobalt concentrates and magnetic separation tailings. The invention provides the beneficiation method for the copper oxide cobalt ores, which reduces cost and pollution. The method disclosed by the invention is suitable for the copper oxide cobalt ores comprising copper oxide ores, copper oxide cobalt ores and cobaltous oxide minerals.
Description
Technical field
The present invention relates to a kind of beneficiation method of cupric oxide cobalt ore.
Background technology
Copper is the indispensable important meals of modern industry, is also a kind of grand strategy mineral that concern national economy.Cobalt is the important raw material additive of magnetic material industry, and it can effectively improve in magnetic material finished product process high temperature resistant, and the aging-resistant effect is widely used in the fields such as machinery, electric power, electronics, building, military affairs.
China's copper metallic mineral resources shortage situation is very severe, and is extremely unbecoming with the status of China copper output the first big country and consumption figure the first big country.China's cobalt resource is also quite in short supply, and according to statistics, adding up at present proved reserves is 58.3 ten thousand tons, approximately 700 tons of cobalts of annual domestic product, and the consumption of annual cobalt is at 2000 ~ 2300 tons, and therefore year consumption needs import more than 60%.Especially along with the development of battery industry in recent years, the demand of cobalt sharply increases.
The cupric oxide cobalt ore has three kinds of forms to exist: 1) cupric oxide ore.Essential mineral is cuprite, malachite, chrysocolla, bornite, covellite, shattuckite etc.; 2) cupric oxide cobalt ore.Essential mineral is the psilomelane that contains cobalt shattuckite, cupric cobalt, contains the cobalt dolomite, contains kolowezite etc.3) cobalt oxide ore.Independent cobalt oxide mineral are few, and cobalt element is composed and existed in other mineral usually.Usually, in the cupric oxide cobalt ore, the mineral of these three kinds of forms all have existence.
Cupric oxide ore often clay content is higher, and granularity is thinner, easily causes the drawbacks such as the chats amount is large, production is unstable, and floating agent consumption is large, production cost is high in floatation process, and its processing is one of difficult problem of domestic and international ore dressing field always.Part washability cupric oxide ore preferably adopts single flotation to reclaim, and refractory copper oxide often will adopt the associating flotation flowsheet, as segregation-floatation, ammonia, soaks-the method recovery such as sulfide precipitation-floatation, chemical mineral processing.The recovery of cupric oxide cobalt mineralss is mainly take wet-leaching as main, and cost is high, pollution is large.Along with the progress of magnetic separation process and magnetic plant, application magnetic separation means reclaim cobalt mineralss has become possibility.
CN201110035065.6 discloses a kind of efficient oxidation copper cobalt ore combined capturing and collecting agent and cupric oxide ore beneficiation method, and combined capturing and collecting agent that it adopts forms and is, 50 ~ 120 parts of benzoyl acetones, 50 ~ 360 parts of styrene phosphatase 11s, 150 ~ 360 parts of butyl xanthates; Beneficiation method is: raw ore adopts pre-classification, obtain finally total fineness and account for 65 ~ 75% less than the product of 0.074mm, described product enters flotation together, at first Flotation of Sulfide Ores, then flotation oxide ore, add in advance adjusting agent, inhibitor to size mixing, make ore pulp under weak basic condition, pulp density, 20 ~ 25%, then adds combined capturing and collecting agent, stir and carry out flotation after 2 minutes, obtain cupric oxide concentrate product.In the combined capturing and collecting agent of this method, styrene phosphoric acid belongs to toxicant, is unfavorable for environmental protection.
The CN200910080792.7 invention relates to a kind of method of extracting cobalt from the cobalt oxide ore.Comprise the following steps: with ore reduction, ore grinding, the preparation ore pulp, add Ore Leaching, and adjust pH and extraction temperature, adds leaching agent during leaching, after leaching a period of time, with the cobalt in direct heavy cobalt method recovery leachate.This method is wet-leaching, and cost is high, pollution is large.
Summary of the invention
The object of the invention is to provide a kind of beneficiation method of the cupric oxide cobalt ore that reduces costs and pollute.
The present invention is achieved through the following technical solutions: 1) ore grinding: the crushing raw ore ore grinding accounts for 50 ~ 90% to-0.074mm; 2) cupric oxide flotation: to ore deposit, one roughing adds vulcanized sodium 500 ~ 8000 grams, stirs 5 ~ 10 minutes by per ton; Collecting agent butyl xanthate 100 ~ 200 grams, foaming agent terpenic oil 20 ~ 50 grams, stirred 1 ~ 5 minute; Once purging selection adds vulcanized sodium 300 ~ 3000 grams, stirred 1 ~ 5 minute, and butyl xanthate 50 ~ 100 grams, terpenic oil 5 ~ 10 grams, stirred 1 ~ 5 minute; Secondary is scanned and is added vulcanized sodium 100 ~ 1000 grams, stirred 1 ~ 5 minute, and butyl xanthate 20 ~ 50 grams, terpenic oil 5 grams, stirred 1 ~ 5 minute; Secondary blank is selected, obtains cupric oxide concentrate and flotation tailing; 3) magnetic separation: flotation tailing is carried out the one roughing magnetic separation, and magnetic field intensity is 800 ~ 1000MT, obtains cobalt rough concentrate and magnetic tailing; The cobalt rough concentrate is respectively the recleaning magnetic separation of 700 ~ 900MT and 600 ~ 800MT through magnetic field intensity, obtain cobalt concentrate and magnetic tailing.
Technical scheme of the present invention has following characteristics:
1) the floating agent kind is few, consumption is low, technique is simple, environmental protection.
2) adopt magnetic separation to reclaim cobalt mineralss, with conventional wet, leach and compare, reduced cost, realize that zero medicament and zero pollutes.
3) rate of recovery of copper＞80%, the rate of recovery of cobalt＞70%.
Description of drawings
Fig. 1 is the flow chart of beneficiation method of the present invention.
The specific embodiment
The regime of agent of the cupric oxide cobalt ore flotation of embodiment 1 ~ 3 is in Table 1.
The regime of agent of the cupric oxide cobalt flotation of table 1 embodiment 1 ~ 3
Annotate: roughly select vulcanized sodium and stirred 8 minutes, butyl xanthate, terpenic oil stirred 3 minutes; Scan vulcanized sodium and stirred 3 minutes, butyl xanthate, terpenic oil stir and are 2 minutes.
The magnetic field intensity of the flotation tailing magnetic separation of table 2 embodiment 1 ~ 3
Embodiment 1
The cupric oxide cobalt ore of external certain copper mine Cu 3.88%, Co 0.14%, crushing raw ore, ore grinding account for 71% to-0.074mm, by the listed dosing of table 1, carry out flotation, obtain cupric oxide concentrate and flotation tailing; Flotation tailing carries out magnetic separation through the magnetic field intensity shown in table 2, obtains cobalt concentrate and magnetic tailing, the results are shown in Table 3.Final cupric oxide concentrate contains Cu 33.45%, the rate of recovery 85.59%, and cobalt concentrate contains Co 0.88%, the rate of recovery 76.30%.
The result of table 3 embodiment 1
Embodiment 2
The cupric oxide cobalt ore of external certain copper mine Cu 4.53%, Co 0.15%, crushing raw ore, ore grinding account for 64% to-0.074mm, by the listed dosing of table 1, carry out flotation, obtain cupric oxide concentrate and flotation tailing; Flotation tailing carries out magnetic separation through the magnetic field intensity shown in table 2, obtains cobalt concentrate and magnetic tailing, the results are shown in Table 4.Final cupric oxide concentrate contains Cu 36.59%, the rate of recovery 86.75%, and cobalt concentrate contains Co 0.89%, the rate of recovery 77.23%.
The result of table 4 embodiment 2
Embodiment 3
The cupric oxide cobalt ore of external certain copper mine Cu 1.78%, Co 0.12%, crushing raw ore, ore grinding account for 87% to-0.074mm, by the listed dosing of table 1, carry out flotation, obtain cupric oxide concentrate and flotation tailing; Flotation tailing carries out magnetic separation through the magnetic field intensity shown in table 2, obtains cobalt concentrate and magnetic tailing, the results are shown in Table 5.Final cupric oxide concentrate contains Cu 20.96%, the rate of recovery 81.93%, and cobalt concentrate contains Co 0.86%, the rate of recovery 75.52%.
The result of table 5 embodiment 3
Claims (1)
1. the beneficiation method of a cupric oxide cobalt ore is characterized in that step is as follows: 1) ore grinding: the crushing raw ore ore grinding accounts for 50 ~ 90% to-0.074mm; 2) cupric oxide flotation: to ore deposit, one roughing adds vulcanized sodium 500 ~ 8000 grams, stirs 5 ~ 10 minutes by per ton; Collecting agent butyl xanthate 100 ~ 200 grams, foaming agent terpenic oil 20 ~ 50 grams, stirred 1 ~ 5 minute; Once purging selection adds vulcanized sodium 300 ~ 3000 grams, stirred 1 ~ 5 minute, and butyl xanthate 50 ~ 100 grams, terpenic oil 5 ~ 10 grams, stirred 1 ~ 5 minute; Secondary is scanned and is added vulcanized sodium 100 ~ 1000 grams, stirred 1 ~ 5 minute, and butyl xanthate 20 ~ 50 grams, terpenic oil 5 grams, stirred 1 ~ 5 minute; Secondary blank is selected, obtains cupric oxide concentrate and flotation tailing; 3) magnetic separation: flotation tailing is carried out the one roughing magnetic separation, and magnetic field intensity is 800 ~ 1000MT, obtains cobalt rough concentrate and magnetic tailing; The cobalt rough concentrate is respectively the recleaning magnetic separation of 700 ~ 900MT and 600 ~ 800MT through magnetic field intensity, obtain cobalt concentrate and magnetic tailing.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934096A (en) * | 2014-04-03 | 2014-07-23 | 广东省工业技术研究院(广州有色金属研究院) | Mixed copper ore recycling method |
| CN105259522A (en) * | 2015-10-15 | 2016-01-20 | 衢州华友钴新材料有限公司 | Method for detecting the magnetism of weakly-magnetic mineral |
| CN105381874A (en) * | 2015-10-19 | 2016-03-09 | 衢州华友钴新材料有限公司 | Beneficiation method for improving grade of copper-cobalt magnetic concentrate |
| CN105750093A (en) * | 2016-03-10 | 2016-07-13 | 长沙有色冶金设计研究院有限公司 | Flotation method of copper oxide ores |
| CN107790292A (en) * | 2017-10-21 | 2018-03-13 | 江西理工大学 | A kind of application of salicylide oxime compound in copper oxide mineral flotation |
| CN108212541A (en) * | 2018-03-19 | 2018-06-29 | 长春黄金研究院有限公司 | Combined capturing and collecting agent and application method in a kind of cupric oxide ore flotation |
| CN110216018A (en) * | 2019-05-28 | 2019-09-10 | 西北矿冶研究院 | Beneficiation method for high-mud fine-grain copper oxide ore |
| CN111330739A (en) * | 2020-03-04 | 2020-06-26 | 湖南有色金属研究院 | Beneficiation method of cobalt oxide ore and flotation collector thereof |
| CN113893952A (en) * | 2021-09-18 | 2022-01-07 | 金川集团股份有限公司 | Copper-cobalt ore beneficiation method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934096A (en) * | 2014-04-03 | 2014-07-23 | 广东省工业技术研究院(广州有色金属研究院) | Mixed copper ore recycling method |
| CN105259522A (en) * | 2015-10-15 | 2016-01-20 | 衢州华友钴新材料有限公司 | Method for detecting the magnetism of weakly-magnetic mineral |
| CN105381874A (en) * | 2015-10-19 | 2016-03-09 | 衢州华友钴新材料有限公司 | Beneficiation method for improving grade of copper-cobalt magnetic concentrate |
| CN105750093A (en) * | 2016-03-10 | 2016-07-13 | 长沙有色冶金设计研究院有限公司 | Flotation method of copper oxide ores |
| CN107790292A (en) * | 2017-10-21 | 2018-03-13 | 江西理工大学 | A kind of application of salicylide oxime compound in copper oxide mineral flotation |
| CN108212541A (en) * | 2018-03-19 | 2018-06-29 | 长春黄金研究院有限公司 | Combined capturing and collecting agent and application method in a kind of cupric oxide ore flotation |
| CN110216018A (en) * | 2019-05-28 | 2019-09-10 | 西北矿冶研究院 | Beneficiation method for high-mud fine-grain copper oxide ore |
| CN111330739A (en) * | 2020-03-04 | 2020-06-26 | 湖南有色金属研究院 | Beneficiation method of cobalt oxide ore and flotation collector thereof |
| CN111330739B (en) * | 2020-03-04 | 2021-06-29 | 湖南有色金属研究院 | Beneficiation method of cobalt oxide ore and flotation collector thereof |
| CN113893952A (en) * | 2021-09-18 | 2022-01-07 | 金川集团股份有限公司 | Copper-cobalt ore beneficiation method |
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Application publication date: 20131113 |