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Method for producing barium chloride

A production method and barium chloride technology, applied in the direction of calcium/strontium/barium oxide/hydroxide, etc., can solve the problems of high labor intensity, high energy consumption, environmental pollution and the like, and achieve qualified product quality, low cost, simple craftsmanship

Inactive Publication Date: 2008-06-04
TIANJIN BOTIAN CHEMICAL
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The above-mentioned method for producing barium oxide not only consumes a lot of energy and is labor-intensive, but also the treatment of the three wastes is not easy, causing pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Add 5.6 tons of water to the extractor, increase the temperature to 80°C, add 1.4 tons of barium sulfide black ash, and pour the barium sulfide clear liquid into the acidification reactor after leaching, keep at 80°C, add 20% dilute hydrochloric acid, and wait for the reaction After the PH value is 3-5, stop adding acid, stand for 5 hours to obtain the barium chloride solution, and then after evaporation to obtain the finished barium chloride solid.

Embodiment 2

[0009] Add 4.2 tons of water to the extractor, increase the temperature to 70°C, add 1.4 tons of barium sulfide black ash, and pour the barium sulfide clear liquid into the acidification reactor after leaching, keep at 70°C, add 25% dilute hydrochloric acid, and wait for the reaction After the PH value is 3-5, stop adding acid, stand for 4 hours to obtain the barium chloride solution, and then after evaporation to obtain the finished barium chloride solid.

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PUM

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Abstract

A production method of barium chloride mainly comprises dipping and extracting, acidification and evaporation, etc. Barium sulfide is mixed with water in a leacher for dipping to obtain clear solution of barium sulfide; the obtained barium sulfide clear solution is acidified at a certain temperature, during which diluted hydrochloric acid with concentration of 15-25 percent, and the barium chloride solution is obtained by filtration through a filter after acidification; then the finished barium chloride solid is obtained after evaporation.

Description

Technical field [0001] The present invention relates to a production method of chloride, in particular to a production method of barium chloride. Background technique [0002] At present, there are many methods for producing barium chloride, mainly barite is used as raw material, such as barite and coal powder are reduced and sintered, and then reacted with hydrochloric acid to produce barium chloride, and barite is used as raw material. , It is made into barium chloride after reduction sintering with coal powder and calcium water, leaching, desulfurization and other treatments. The above method for producing barium oxide not only has high energy consumption and labor intensity, but also the treatment of the three wastes is not easy, which causes pollution to the environment. Summary of the invention [0003] The purpose of the present invention is to overcome the above technical shortcomings and provide a production method that directly uses barium sulfide as a raw material. In...

Claims

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Application Information

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IPC IPC(8): C01F11/10
Inventor 高秀芳
Owner TIANJIN BOTIAN CHEMICAL
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