Novel lepidolite flotation method

A lepidolite, a new type of technology, applied in the field of lepidolite flotation, can solve the problems of complex process, difficult to work, and difficult to work in the beneficiation process

Inactive Publication Date: 2013-08-14
JIANGXI UNIV OF SCI & TECH
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Problems solved by technology

With the reduction of high-grade and coarse-grained lithium ore resources, in the face of poor, fine, and miscellaneous lithium resources, it is difficult to obtain qualified flotation lepidolite concentrate by using traditional chemical solutions.
Secondly, the flotation process is complicated, the dosage of chemicals is large, and the independence of each link is not strong.
With

Method used

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Embodiment Construction

[0023] Such as figure 1 As shown, the novel lepidolite flotation method of the present invention mainly comprises a rough selection, secondary selection and secondary sweeping, specifically as follows:

[0024] 1) A rough selection

[0025] 1.1 Flotate the raw ore with a mechanical flotation machine, add 800-1200g / t of water glass, and stir for 1-2 minutes;

[0026] 1.2 Add 300-400g / t anion collector and stir for 1-2 minutes;

[0027] 1.3 Continue to add 80-90g / t cationic collector and stir for 1-2 minutes;

[0028] 1.4 After stirring fully, start air flotation scraping, and scrape for 2-3 minutes to get lepidolite roughing concentrate, and the product in the tank is the ore of sweeping one;

[0029] 2) Rough selection of lepidolite concentrate

[0030] 2.1 Selection 1: send the roughing concentrate to the selection 1 flotation machine, stir fully, add 400-600g / t water glass and stir for 2 minutes, and perform the first selection to obtain the foam product of selection 1. ...

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Abstract

The invention discloses a novel lepidolite flotation method including primary rough selection, secondary fine selection and secondary scavenging. During the flotation, sodium silicate is added as an inhibitor with the amount ranging from 1400g/t to 1900g/t; an anionic collector is sodium oleate or oxyparaffin soap 731 with the amount ranging from 480g/t to 700g/t; and a cationic collector is dodecylamine or coconut oil amine with the amount ranging from 130g/t to 160g/t. The adding sequence of collectors is the anionic collector first and the cationic collector second, or the anionic collector and the cationic collector are added together. By the method, the lepidolite is selected through the combination of the anionic and the cationic, good flotation effect can be realized, flotation efficiency is high, and meanwhile, the synergistic effect is generated between the anionic collector and the cationic collector, and results from joint action of three mechanisms of coadsorption, charge compensation and function complementation.

Description

technical field [0001] The invention relates to a lepidolite flotation method. Background technique [0002] Lepidolite is one of the main industrial minerals for extracting lithium. Lithium is an important energy metal. Its application in high-energy lithium batteries and controlled thermonuclear reactions makes it an important raw material to solve long-term energy supply for human beings. Lithium series products are widely used in smelting, refrigeration, atomic energy, aerospace and ceramics, glass, grease, rubber, welding, medicine, batteries and other industries. my country's lithium resources are relatively rich, but the grade is relatively low, the embedded particle size is fine, and the utilization level is low. The resource advantage has not yet been transformed into an economic advantage. [0003] Different lithium ores have different properties. Due to the different contents of lithium oxide in the minerals and the different types of minerals, the chemical deco...

Claims

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Application Information

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IPC IPC(8): B03D1/02B03D1/008B03D1/01B03D101/02B03D103/04
Inventor 何桂春黄开启安占涛吴艺鹏冯金妮
Owner JIANGXI UNIV OF SCI & TECH
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