A sorting process for ores containing copper, cobalt and magnetite

Abstract

The invention belongs to the technical field of ore dressing, in particular to a sorting process for ore containing copper, cobalt and magnetite. The magnetite ore beneficiation process of grinding-grading-magnetic separation is used to sort magnetite, and copper-cobalt mixed flotation and separation are adopted. The process selects copper and cobalt. The advantages of the present invention are: the three kinds of useful minerals adopt magnetic separation to select qualified iron concentrates respectively, and then use flotation to sort out qualified copper concentrates and cobalt concentrates successively, which reduces the sequence of selection successively. The amount of ore processed by a sorting system effectively reduces energy consumption and production costs, and the three kinds of concentrates have reached the level of industrial utilization, realizing the effective comprehensive recovery of the three elements and increasing economic benefits.

Description

technical field [0001] The invention belongs to the technical field of ore dressing, in particular to a sorting process for ores containing copper, cobalt and magnetite. Background technique [0002] The iron ores in Laiwu, Shandong, my country contain certain copper and cobalt elements. Most of these ores are magnetite ores. The grade of iron in the ore is mostly between 34% and 36%, and the grade of copper is generally between 0.05% and 36%. The grade of cobalt is mostly between 0.01-0.015%. Due to the low grade of copper and cobalt in the ore, the lowest grade of industrially available copper concentrate is more than 10%, and the lowest grade of industrially available cobalt concentrate is above 0.2%. Difficult and expensive. In addition, the intercalation particle size of copper and cobalt in the ores in this area is very fine, and it needs to be ground to -0.043mm, accounting for 80%-85%, so that copper and cobalt can achieve monomer dissociation and be separated in su...

AI Technical Summary

Problems solved by technology

Due to the low grade of copper and cobalt in the ore, the lowest grade of industrially available copper concentrate is more than 10%, and the lowest grade of industrially available cobalt concentrate is above 0.2%. Difficult and expensive

In addition, the intercalation particle size of copper and cobalt in the ores in this area is very fine, and it needs to be ground to -0.043mm, accounting for 80%-85%, so that copper and cobalt can achieve monomer dissociation and be separated in subsequent flotation, so the local Concentrators generally only select iron, not copper and cobalt, resulting in the loss of precious metals copper and cobalt

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