{"id":20676,"date":"2023-03-14T15:13:51","date_gmt":"2023-03-14T07:13:51","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=20676"},"modified":"2026-08-21T09:34:08","modified_gmt":"2026-08-21T01:34:08","slug":"trois-procedes-denrichissement-du-cuivre-et-du-cobalt","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/fr\/new\/three-beneficiation-processes-copper-cobalt\/","title":{"rendered":"Trois proc\u00e9d\u00e9s de valorisation du cuivre-cobalt"},"content":{"rendered":"

Cobalt<\/a> is a hard, magnetic metal with a high melting point and excellent thermal and chemical stability.<\/strong> It is an important raw material for producing heat-resistant, corrosion-resistant, and hard alloys, and is widely used in aerospace, machinery manufacturing, electrical appliances, and chemical industries. As a strategic metal, cobalt has significant economic and industrial value.<\/p>\n

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\"Minerai<\/a><\/p>\n

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Copper-cobalt ore is an important source of cobalt and copper.<\/strong> Depending on the mineral composition, oxidation degree, and dissemination characteristics of the ore, different beneficiation methods can be adopted. The commonly used processes include flotation, flotation-magnetic separation, and leaching.<\/strong><\/p>\n

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Quels sont les proc\u00e9d\u00e9s de valorisation du minerai de cuivre et de cobalt ?<\/h2>\n

1. Flottation des minerais de cuivre et de cobalt<\/h3>\n

Flotation is one of the most commonly used beneficiation methods for copper-cobalt ores. It is relatively easy to operate and highly controllable, making it suitable for ores with low grades and fine-grained mineral dissemination.<\/strong> Through flotation, valuable copper and cobalt minerals can be effectively recovered, while the separation difficulty caused by complex mineral associations can be reduced.<\/p>\n

Proc\u00e9d\u00e9 de flottation du minerai de cuivre et de cobalt<\/span><\/h4>\n

Copper-cobalt ore flotation involves mixing and flotation of copper-cobalt ore to obtain a mixed concentrate and then separate copper and cobalt to get copper concentrate and cobalt concentrate. The specific process is that the raw copper-cobalt ore is ground. Add a certain amount of regulator during the grinding process to adjust the pH value of the pulp to the range of 9-10. Sequentially add collectors and foaming agents to the ore pulp after grinding, carry out copper-cobalt mixed flotation roughing, and then obtain tailings after two sweeps. Add inhibitors to the mixed flotation foam, and get the copper-cobalt mixed concentrate after three times of beneficiation. Add inhibitors and collectors successively, carry out copper-cobalt separation flotation, and obtain cobalt after one roughing and sweeping concentrate. Separate the foam after separation and flotation of copper and cobalt twice to get copper concentrate.<\/p>\n

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Overall, flotation is particularly suitable when copper and cobalt minerals have good floatability and can be selectively separated through appropriate reagent schemes.<\/p>\n

2. Combined Flotation-Magnetic Separation Process<\/h3>\n

When the composition of copper-cobalt ore is complex, single flotation cannot effectively recover cobalt. Because cobalt has weak magnetism, we can recover it with magnetic separation. The copper-cobalt ore flotation-magnetic separation combined process is suitable for traitement des minerais oxyd\u00e9s avec des substances plus magn\u00e9tiques<\/strong> et peut am\u00e9liorer efficacement la qualit\u00e9 du concentr\u00e9 de s\u00e9paration magn\u00e9tique.<\/p>\n

Combined Flotation-Magnetic Separation Process Flow<\/h4>\n

First, grind the copper-cobalt oxide ore flotation tailings with a mill to -0.074 mm, accounting for 70-90%, and make a slurry with a 10-40% concentration. Use a high gradient magnetic separator with a 0.8-1.2 T magnetic field for strong magnetic roughing to obtain strong magnetic roughing concentrate and strong magnetic roughing tailings. The strong magnetic roughing tailings are the final magnetic tailings. The strong magnetic roughing concentrate is then subjected to strong magnetic concentration with a s\u00e9parateur magn\u00e9tique<\/a> to obtain strong magnetic concentrated concentrate and strong magnetic tailings. The high-strength magnetic separation concentrate is then subjected to weak magnetic separation to get weak magnetic separation concentrate and tailings. The weak magnetic separation concentrate is the final magnetic separation concentrate.<\/p>\n

The combined process makes use of the different physical properties of copper-cobalt minerals and associated magnetic minerals, providing an effective option for complex and oxidized copper-cobalt ores.<\/p>\n

3. Proc\u00e9d\u00e9 de lixiviation du cuivre et du cobalt<\/h3>\n

Pour les minerais complexes d'oxyde de cuivre et de cobalt, la lixiviation et d'autres m\u00e9thodes sont g\u00e9n\u00e9ralement utilis\u00e9es pour le traitement. Les minerais oxyd\u00e9s sont g\u00e9n\u00e9ralement tr\u00e8s alt\u00e9r\u00e9s et peu perm\u00e9ables, de sorte qu'ils ne conviennent qu'\u00e0 certains types de minerais. lixiviation en tas<\/a>. La combinaison de la lixiviation en tas et de la lixiviation par agitation permet d'obtenir des taux \u00e9lev\u00e9s de r\u00e9cup\u00e9ration des m\u00e9taux cuivre et cobalt.<\/p>\n

Processus de lixiviation du minerai de cuivre et de cobalt<\/h4>\n

Tout d'abord, le minerai brut d'oxyde de cuivre et de cobalt est concass\u00e9 et broy\u00e9, puis le minerai concass\u00e9 est class\u00e9 en fonction de la taille des particules.<\/p>\n