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Flotation coal slime collecting agent, preparation method and uses thereof

A collector and coal slime technology, applied in flotation, solid separation, etc., can solve the problems of unreasonable recovery and utilization of residual liquid, troublesome separation and recovery, and poor economic benefits, so as to broaden the source of raw materials and achieve high recovery rate , Improve the effect of sorting

Inactive Publication Date: 2020-03-27
BLUESTAR LEHIGH ENG INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The composition of the by-products is complicated, and the separation and recovery are troublesome, so that the residual liquid has not been properly recovered and utilized for a long time. At present, these substances are only used as fuels for blending diesel oil, and their economic benefits are poor.

Method used

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  • Flotation coal slime collecting agent, preparation method and uses thereof
  • Flotation coal slime collecting agent, preparation method and uses thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, a kind of flotation coal slime collector: it is made by the raw material of following mass ratio, octene formylation residual liquid, C 1~6 Short-chain alcohol, catalyst=100:10:0.1; The catalyst is one of concentrated sulfuric acid, concentrated hydrochloric acid, phosphoric acid, p-toluenesulfonic acid or solid acid.

Embodiment 2

[0023] Embodiment 2, a kind of flotation coal slime collector: it is made by the raw material of following mass ratio, octene formylation residual liquid, C 1~6 Short-chain alcohol, catalyst = 100: 150: 5; The catalyst is a mixed acid of any two of concentrated sulfuric acid, concentrated hydrochloric acid, phosphoric acid, p-toluenesulfonic acid or solid acid, each accounting for 50%.

Embodiment 3

[0024] Embodiment 3, a kind of flotation coal slime collector: it is made by the raw material of following mass ratio, octene formylation residual liquid, C 1~6 Short chain alcohol, catalyst=100:50:0.5; The catalyst is concentrated sulfuric acid or concentrated hydrochloric acid.

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Abstract

The invention discloses a flotation coal slime collecting agent, which is prepared from an octene formylation residual liquid and a C1-6 short-chain alcohol under the action of a catalyst, wherein thecatalyst is one or a plurality of materials selected from concentrated sulfuric acid, concentrated hydrochloric acid, phosphoric acid, p-toluenesulfonic acid and solid acid. Compared with the traditional collecting agent diesel oil, the flotation coal slime collecting agent prepared through the method of the invention has characteristics of high collecting capacity and substantially reduced use amount, and well solves the problem of difficulty in efficient recovery treatment of octene hydroformylation by-products so as to effectively utilize resources.

Description

technical field [0001] The invention belongs to the field of coal slime beneficiation agents, and in particular relates to a coal slime collector using octene formylation by-products as a raw material, a preparation method and application thereof. Background technique [0002] Coal slime is a by-product in the coal production process. Coal slime is generally 10-20% of the selected raw coal. With the deepening of coal mining depth and the improvement of mechanization, the content of pulverized coal in raw coal increases, making coal processing process The amount of slime has increased significantly. Flotation is currently the most effective way to recycle coal slime. Kerosene and diesel oil are the most commonly used flotation collectors in coal preparation plants. Poor metrics. In order to reduce the dosage and improve the flotation index, researchers have developed composite slime collectors. China University of Mining and Technology has developed MB, MC and MZ series com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/008B03D101/02B03D103/02
CPCB03D1/008B03D2201/02B03D2203/08
Inventor 刘养春朱孔金宋文义杨勇
Owner BLUESTAR LEHIGH ENG INST CO LTD
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