Preparation method and application of spodumene ore flotation collector

A collector, spodumene technology, applied in flotation, solid separation, etc., can solve the problems of poor collector selectivity, poor solubility and dispersibility, large dosage, etc., achieve excellent flotation index, low cost, and disperse good sex effect

Inactive Publication Date: 2018-02-09
JIANGXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems of poor collector selectivity, large dosage, poor solubility and dispersibility at normal temperature, etc. existing in the existing spodumene ore flotation, and provides a preparation method of the spodumene ore flotation collector and its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] An example of the preparation method of spodumene ore flotation collector of the present invention comprises the following steps:

[0023] (1) Mix waste oil, methanol and concentrated sulfuric acid in a mass ratio of waste oil:methanol:concentrated sulfuric acid=1.0:1.1:0.05, stir and react at 60°C for 5 hours to obtain product 1;

[0024] (2) Mix hydroxylamine hydrochloride, water and sodium hydroxide according to the mass ratio of hydroxylamine hydrochloride:water:sodium hydroxide=1.0:6.4:1.9, stir and react at 20°C for 1 hour to obtain product 2;

[0025] (3) Add the product 1 to the product 2 according to the mass ratio product 1: product 2 = 1.0:0.28, and stir and react at 40° C. for 4 hours to obtain the spodumene ore flotation collector.

Embodiment 2

[0027] Another example of the preparation method of spodumene ore flotation collector of the present invention comprises the following steps:

[0028] (1) Mix waste oil, methanol and concentrated sulfuric acid according to the mass ratio waste oil:methanol:concentrated sulfuric acid=1.2:1.8:0.09, stir and react at 90°C for 12 hours to obtain product 1;

[0029] (2) Mix hydroxylamine hydrochloride, water and sodium hydroxide according to the mass ratio of hydroxylamine hydrochloride: water: sodium hydroxide = 1.3:9.3:2.4, stir and react at 30°C for 3 hours to obtain product 2;

[0030] (3) Add the product 1 to the product 2 according to the mass ratio product 1: product 2 = 1.2:0.48, and stir and react at 60° C. for 6 hours to obtain the spodumene ore flotation collector.

Embodiment 3

[0032] This embodiment is an application example of the spodumene ore flotation collector in flotation spodumene ore.

[0033] A spodumene ore sample, the original ore contains Li 2 O 1.46%, grind the ore until the mineral monomers are dissociated, add sodium hydroxide to adjust the pH value of the slurry to 10, then add 1200g / t of sodium carbonate as an inhibitor, and then add 150g / t of calcium chloride as an activator, and then Add the collector 800g / t that makes in the embodiment 1 and carry out roughing flotation to the spodumene ore, sweep and add sodium carbonate 300g / t, calcium chloride 50g / t, collector 320g / t, once refining 300g / t of sodium carbonate is added for selection, 300g / t of sodium carbonate is added for the second selection, and 200g / t of sodium carbonate is added for the third selection. The results show that the above medicament conditions can effectively flotation spodumene ore efficiently, and in feeding Li 2 Under the condition of O content of 1.46%, a...

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PUM

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Abstract

The invention provides a preparation method and application of a spodumene ore flotation collector and belongs to the technical field of ore separation. The preparation method comprises the followingsteps that (1) gutter oil, methyl alcohol and concentrated sulphuric acid are mixed according to the mass ratio being (1.0-1.2):(1.1-1.8):(0.05-0.09) and stirred for a reaction under the temperature of 60-90 DEG C for 5-12 h so as to obtain a product 1; (2) hydroxylammonium chloride, water and sodium hydroxide are mixed according to the mass ratio being (1.0-1.3):(6.4-9.3):(1.9-2.4) and stirred for a reaction under the temperature of 20-30 DEG C for 1-3 h so as to obtain a product 2; and (3) the product 1 is added into the product 2 according to the mass ratio of the product 1 to the product 2being (1.0-1.2):(0.28-0.48), the product 1 and the product 2 are stirred for a reaction under the temperature of 40-60 DEG C for 4-6 h, and then the collector is obtained. When the prepared collectoris used for spodumene ore flotation, the problems that as for an existing floatation collector, the use quantity is large, the cost is high, the low-temperature influence is large, the bubble quantity is large, the selectivity is poor, and the concentrate grade and recovery rate index are not ideal are solved.

Description

technical field [0001] The invention relates to the technical field of mineral processing, in particular to a preparation method and application of a spodumene ore flotation collector. Background technique [0002] Lithium metal is used in many fields such as batteries, aviation, nuclear industry, ceramics and lubrication, and has an irreplaceable role. my country is a country with large lithium resources, and lithium resources are mainly salt lake brine and lithium-containing ore. The brine resources are mainly distributed in Qinghai and Tibet, and the ore lithium resources are mainly distributed in Sichuan, Xinjiang, Hunan, Hubei and Jiangxi. Due to factors such as unstable raw material composition and high magnesium ion content due to changes in the natural environment, the development of lithium metal extraction from brine is restricted, and the recovery of lithium resources from ores is still in an important position. The flotation process is the most important sortin...

Claims

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Application Information

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IPC IPC(8): B03D1/018B03D1/002B03D103/04B03D101/02B03D101/06
CPCB03D1/018B03D1/002B03D2201/02B03D2201/06B03D2203/04
Inventor 黄志强周贺鹏邱廷省廖春发赵奎黄万抚何桂春余新阳李立清冯博刘汝宽钟地长
Owner JIANGXI UNIV OF SCI & TECH
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