Spodumene ore flotation collecting agent, preparation method thereof and beneficiation process of clay mineralized spodumene ore

Abstract

The invention relates to the field of beneficiation, and particularly provides a spodumene ore flotation collecting agent, a preparation method thereof and a beneficiation process of clay mineralizedspodumene ore. The spodumene ore flotation collecting agent comprises sodium oleate, gallic acid, tartaric acid, oxalic acid and lignin of specific content. The beneficiation process of the clay mineralized spodumene ore is mainly used for solving the problems of serious argillization and poor floatability caused by clay mineral materialization of spodumene ore, the spodumene ore flotation collecting agent is selected, a full-open-circuit process of independent scrubbing, regrinding and reconcentration of middlings is adopted for beneficiation, excessive accumulation of secondary mud caused bya conventional closed-loop process can be effectively avoided, adverse effects like overlarge agent dosage, high pulp viscosity and poor agent selectivity are alleviated, meanwhile, middling grindingand washing operation can be enhanced, and the defect that coarse grains are difficult to float is overcome, so that the grade of concentrate Li2O is improved, and lithium-containing minerals are fully recycled.

Description

technical field [0001] The invention relates to the field of mineral processing, in particular to a spodumene ore flotation collector and a preparation method thereof, and a separation process of clay mineralized spodumene ore. Background technique [0002] Lithium and its compounds play a very important role in the fields of modern industry and science and technology, involving metallurgy, air conditioning, new energy, nuclear technology, medicine, glass, ceramics, alloys and other fields. The demand for lithium in all aspects is increasing with the With the progress of the times and rapid growth. Therefore, improving the development and utilization efficiency of lithium resources and optimizing the lithium extraction process technology have become important issues in the current development of lithium resources. [0003] Lithium resources are divided into two types, mineral lithium resources and brine lithium resources. Mineral lithium resources mainly include lithium-co...

AI Technical Summary

Problems solved by technology

[0006] (1) There are many secondary muds in the grinding products, which will not only adsorb chemicals and increase the dosage of chemicals, but also form a phenomenon of ore mud cover, which hinders the action of chemicals and minerals, making it less buoyant

[0007] (2) The generation of secondary mud will increase the viscosity of the slurry, affect the floating properties of minerals, and hinder the movement path of ore particles

[0008] (3) Spodumene has the characteristics of coarse particles and difficult to float. When in order to reduce the slime produced in the grinding process due to saprospodumene, it is likely to cause the spodumene minerals to be coarse in particle size or not dissociated with gangue minerals. full question

[0009] (4) Slender quartz veins often exist in saprospodumene, which affect the dissociation of lithium-containing minerals

[0010] There are relatively few studies on the extraction of lithium from spodumene containing putrid spodumene. The traditional spodumene beneficiation method mainly uses fatty acids as collectors to directly float spodumene minerals. Although this process can float most The spodumene mineral is easy to float, but when the coarse concentrate is selected for spodumene, the properties of the gangue mineral are complex, and the relationship between the spodumene and the gangue mineral is close, which makes it difficult to separate the spodumene and the gangue mineral, and it is difficult to obtain the grade higher spodumene concentrate

At the same time, it is more difficult for those spodumene minerals with poor buoyancy and finer particle size to be recovered by flotation, which makes the overall utilization level of such spodumene resources not high

[0011] The Chinese invention patent (application number CN201910654106.6) adopts a new type of collector and uses a relatively conventional flotation closed-circuit process to process low-grade spodumene ore. According to this process, clay mineralized spodumene ore is processed. In any case Optimizing the drug system, the effect is not good

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