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Ilmenite floatation collecting agent, and preparation method and application thereof

A collector and ilmenite technology, applied in flotation, solid separation, etc., can solve the problems of weak pertinence of ilmenite collectors, the need to add additional foaming agents, general selective dispersion, etc., to achieve Excellent flotation effect, outstanding environmental benefits, good foaming effect

Inactive Publication Date: 2016-12-21
WUHAN INSTITUTE OF TECHNOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings of existing ilmenite collectors such as poor pertinence, large dosage, high cost, general selective dispersion, and the need to add additional foaming agents, and provide a modified and compounded ilmenite collector made of mixed fatty acids. Formed ilmenite flotation collector and its preparation method and application

Method used

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  • Ilmenite floatation collecting agent, and preparation method and application thereof
  • Ilmenite floatation collecting agent, and preparation method and application thereof
  • Ilmenite floatation collecting agent, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Take 40g of high-grade fatty hydroxamic acid, 20g of triethylenetetramine hexamethylene phosphonic acid, 450g of cotton oil, 300g of mixed fatty acid (lauric acid and palmitic acid), 100g of NaOH and 607g of water, add them to the autoclave at 140-180℃ After reacting for 2-5 hours, a brown-black paste is obtained. The solid content is calculated by weighing, and water is added to make a 2% solid content solution.

[0025] Taking a certain ilmenite in Panzhihua as the mineral sample, its chemical composition is:

[0026]

[0027] Use the collector prepared in this example to perform one coarse and two fine flotation on the ore sample. The flotation process is as follows: figure 1 As shown, the specific process is as follows:

[0028] (1) Pretreatment of ore: Take the tailings slurry after floating sulfur, filter and dry, separate samples after wet mixing, and the grinding fineness is less than -200 mesh accounting for 82%.

[0029] (2) Flotation enrichment: add 166g of raw ore ...

Embodiment 2

[0034] Take 20g of high-grade fatty hydroxamic acid, 30g of triethylenetetramine hexamethylene phosphonic acid, 300g of cotton oil, 500g of mixed fatty acids (lauric acid and palmitic acid), 150g of NaOH and 667g of water, add them to the autoclave at 140-180℃ After reacting for 2-5 hours, a brown-black paste is obtained. The solid content is calculated by weighing, and water is added to make a 2% solid content solution.

[0035] Taking a certain ilmenite in Chengde as the mineral sample, its chemical composition is:

[0036]

[0037] Use the collector prepared in this example to perform one coarse and two fine flotation on the ore sample. The specific process is as follows:

[0038] (1) Pre-treatment of ore: Take the tailings slurry after floating sulfur, filter and dry, and separate samples after wet mixing. The grinding fineness is less than -200 mesh, accounting for 88.2%.

[0039] (2) Flotation enrichment: Add 166g of raw ore to the flotation tank, then add a certain amount of ta...

Embodiment 3

[0044] Take 50g higher fatty hydroxamic acid, 50g triethylenetetraamine hexamethylene phosphonic acid, 200g cotton oil angle, 400g mixed fatty acid (lauric acid and stearic acid), 200g KOH and 600g water, add them to the autoclave at 140-180 React at ℃ for 2-5 hours to obtain a brown-black paste, weigh it to calculate its solid content, and add water to make a solution with a solid content of 2%.

[0045] Taking a certain ilmenite ore in Guangdong as the mineral sample, its chemical composition is:

[0046]

[0047] Use the collector prepared in this example to perform one coarse and two fine flotation on the ore sample. The specific process is as follows:

[0048] (1) Pre-treatment of ore: Take the tailings slurry after floating sulfur, filter and dry, and separate samples after wet mixing. The grinding fineness is less than -200 mesh, accounting for 90.3%.

[0049] (2) Flotation enrichment: add 166g of raw ore to the flotation tank, then add a certain amount of tap water to adjust t...

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Abstract

The invention relates to an ilmenite floatation collecting agent, and a preparation method and application thereof. The collecting agent is prepared by performing reaction on cottonseed oil waste, mixed fatty acid, triethylene-tetramine hexmethanephonic acid, higher fatty hydroximic acid and strong alkali in a high-pressure reaction kettle for 2 to 5 hours at the temperature of 140 to 180 DEG C, wherein the weight ratio of the cottonseed oil waste, the mixed fatty acid, the triethylene-tetramine hexmethanephonic acid, the higher fatty hydroximic acid and the strong alkali is (2-4.5):(3-5):(0.2-0.5):(0.2-0.5):(1-2). When the collecting agent provided by the invention is used for floatation, rough floatation is conducted at first and then concentration is conducted twice. The higher fatty hydroximic acid, which is one of the raw materials, is a good metal complexing agent and enhances the complexing ability with Ti4+ plasma to enable the Ti4+ plasma to form a stable complex, so that ilmenite ore can be floated effectively; in addition, the mixed fatty acid has high foamability after being chemically modified, so an extra foaming agent is not needed. The collecting agent provided by the invention has the advantages of high normal-temperature selectivity, high dispersibility, small reagent dosage, high mineral separation comprehensive efficiency and the like, is suitable for floatation production of various kinds of ilmenite, and has very important significance to promote the development of ilmenite beneficiation.

Description

Technical field [0001] The invention relates to the technical field of ilmenite flotation, in particular to a modified and compounded ilmenite flotation collector made of mixed fatty acids and the like, and a preparation method and application thereof. Background technique [0002] my country has very rich primary ilmenite mineral resources, which are the main raw materials for the titanium industry. Titanium dioxide is a very important chemical raw material. Metal titanium and titanium alloys have a series of excellent properties such as light weight, high strength, corrosion resistance, high temperature resistance and good plasticity, and increasingly show their superiority. Therefore, it is of great significance to develop an efficient collector for ilmenite flotation. [0003] The early flotation reagents for ilmenite were mainly oxidized paraffin soap, styrene phosphonic acid, salicylic hydroxamic acid, emulsified tall oil, etc. These traditional collectors were not very spec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/018B03D101/02B03D103/04
CPCB03D1/018B03D2201/02B03D2203/04
Inventor 黄齐茂石俊龙陈明祥盛先芳何思成田野吴雪荣
Owner WUHAN INSTITUTE OF TECHNOLOGY
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