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Fluorite flotation collecting agent as well as preparation method and application thereof

A collector, fluorite technology, applied in the field of fluorite beneficiation, can solve the problems of insufficient collection capacity, poor flotation effect, weak foaming ability, etc., and achieve smooth process flow, improved dispersibility, and increased solubility. Effect

Active Publication Date: 2021-09-28
ZHEJIANG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the problems that the existing fluorite flotation collectors have insufficient collection capacity, weak foaming ability, and large consumption in the low-temperature flotation process, which lead to poor flotation effect, and then provide a fluorite flotation collector. Stone flotation collector, preparation method and application

Method used

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  • Fluorite flotation collecting agent as well as preparation method and application thereof
  • Fluorite flotation collecting agent as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0050] This embodiment provides a fluorite flotor feeding agent including 10 kg of sulfonated oolic acid and 90 kg of emulsified oil.

[0051] The method of preparing the sulfonated oolic acid comprises the step of adding concentrated sulfuric acid (80% of concentrated sulfuric acid) to the reactor, and then add oleic acid to the reactor (concentrated sulfuric acid and oleic acid. : 50), then warmed to 100 ° C, continuously stirring during the temperature rise, and stirring was continued for 2 hours after the temperature was completed, so that oleic acid and concentrated sulfuric acid had a sulfonation reaction to prepare a sulfonated oil.

[0052] The preparation method of the emulsified oiric acid includes mixing as follows: mixing oleic acid, ethanol, butyl ether (oleic acid, ethanol, and butyl ether is 85: 10: 10: 85: 10: 5), respectively. It was stirred for 0.8 hours to make all raw materials liquid mix evenly emulsified, prepared to obtain emulsified oil.

[0053] The prepar...

Embodiment 2

[0055] This embodiment provides a fluorite flotation induction agent including 18 kg of sulfonated oolic acid and 82 kg of emulsified oil.

[0056] The method of preparation of the sulfonated oil includes the step of adding concentrated sulfuric acid (80% of concentrated sulfuric acid) to the reactor, and then adding oleic acid to the reactor (concentrated sulfuric acid and oleic acid. : 60), then warmed to 120 ° C, continuously stirring during the temperature rise, and stirring was continued for 1 hour after the temperature was completed, so that oleic acid and concentrated sulfuric acid had a sulfonation reaction to prepare a sulfonated oil.

[0057] The preparation method of the emulsified oiric acid includes mixing an oleic acid, ethanol, butyl ether (the mass ratio of oleic acid, ethanol, and butyl ether is 84: 10: 6) in the reactor, at 20 ° C. It was stirred for 1 hour to allow all raw material liquid mixed uniform emulsion to prepare an emulsified oil.

[0058] The preparat...

Embodiment 3

[0060] This embodiment provides a fluorite flotation catching agent, the trapping of the feedstock comprising 20 kg of sulfonated oolic acid and 80 kg of emulsified oil acid,

[0061] The method of preparation of the sulfonated oil includes the step of adding concentrated sulfuric acid (80% of concentrated sulfuric acid) to the reactor, and then adding oleic acid (concentrated sulfuric acid and oleic acid) to the reactor. : 40), then warmed to 100 ° C, continuously stirring during the temperature rise, and stirring was continued for 2 hours after the temperature was completed, so that oleic acid and concentrated sulfuric acid were mixed, and the sulfonated oil is prepared.

[0062] The preparation method of the emulsified oiric acid comprises the step of mixing oleic acid, ethanol, butyl ether (90: 5: 5: 90: 5: 5: 90: 5: 5), at 30 ° C, respectively. It was stirred for 0.5 hours to allow all raw material liquid mixing uniform emulsion to prepare an emulsified oleic acid.

[0063] T...

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Abstract

The invention relates to the technical field of fluorite beneficiation, in particular to a fluorite flotation collecting agent and a preparation method and application thereof. The fluorite flotation collecting agent provided by the invention comprises the following raw materials: sulfonated oleic acid and emulsified oleic acid. According to the fluorite flotation collecting agent provided by the invention, sulfonated oleic acid and emulsified oleic acid have a complementary synergistic effect and are matched with each other, so that the solubility and dispersity are greatly enhanced, the fluorite surface action is more stable, the efficiency is higher, the fluorite collecting capacity and rate can be greatly improved, and the fluorite flotation collecting agent has relatively strong low-temperature resistance; and the fluorite recovery rate in the low-temperature environment can be guaranteed, the flotation effect is improved, the beneficiation cost is reduced, and meanwhile the purposes of saving energy, reducing consumption and protecting the environment are achieved.

Description

Technical field [0001] The present invention relates to a technical field mineral fluorite, fluorite particularly relates to a flotation collector agent preparation method and application. Background technique [0002] Fluorite (CaF 2 ), Is a non-metallic mineral resources, as an important industrial raw material, by many countries as an important strategic resource, a wide range of applications, covering traditional industries and emerging industries, mainly used in aerospace, metallurgy, air conditioning and refrigeration, hospitals pesticides and other fields. With the rapid economic development, increasing demand for fluorite. The fluorite is a non-renewable resource and low reserves of fluorite fine production and exploitation have more and more important. [0003] The type and composition of the ore, fluorite mineral processing methods are generally hand-selected, re-election, flotation beneficiation methods, wherein the most widely used and most effective method is flotati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/012B03D103/02B03D101/02
CPCB03D1/012B03D2201/02B03D2203/02
Inventor 宋英王福良陈建建隋学永
Owner ZHEJIANG UNIV OF TECH
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