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Method for preparing superfine precipitated barium sulfate and co-producing carbon dioxide by using barium carbonate

A technology for precipitating barium sulfate and carbon dioxide, applied in chemical instruments and methods, calcium/strontium/barium sulfate, carbon compounds, etc., can solve problems such as high cost, large and complex production process equipment, and achieve high yield and low cost. , the effect of simple process and equipment

Inactive Publication Date: 2010-08-18
王嘉兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the prior art still has the disadvantages of large and complex production process equipment and high cost, and there is no relevant report on the method of preparing ultrafine precipitated barium sulfate with barium slag to co-produce hydrochloric acid.

Method used

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  • Method for preparing superfine precipitated barium sulfate and co-producing carbon dioxide by using barium carbonate
  • Method for preparing superfine precipitated barium sulfate and co-producing carbon dioxide by using barium carbonate
  • Method for preparing superfine precipitated barium sulfate and co-producing carbon dioxide by using barium carbonate

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Abstract

The invention relates to the technical field of filling preparation, in particular to a method for preparing superfine precipitated barium sulfate and co-producing carbon dioxide by using barium carbonate. The main technical scheme is that barium carbonate and sulfuric acid react to obtain barium sulfate and carbon dioxide, and the barium sulfate is dried and crushed to obtain the superfine precipitated barium sulfate. The invention has simple production process and equipment and high yield, and overcomes the defects of great material transport volume, low efficiency and huge process equipment in the traditional method. The low-grade barium carbonate is utilized to produce the high-grade barium sulfate so that the production cost is low. In addition, by adopting the invention, the superfine precipitated barium sulfate as a target product is prepared, and a carbon dioxide product also can be co-produced, thereby very high economic value can be created.

Description

A method for preparing superfine precipitated barium sulfate and co-producing carbon dioxide with barium carbonate technical field The invention relates to the technical field of filler preparation, in particular to a method for preparing superfine precipitated barium sulfate and coproducing carbon dioxide with barium carbonate. Background technique Barite is a non-renewable resource and one of my country's export-oriented mineral products. It is widely used as a weighting agent for oil and natural gas drilling mud, and its consumption in barium chemicals and fillers is also increasing year by year. my country's barite resources are quite rich, distributed in 21 provinces (regions) across the country, with a total reserve of 360 million tons of ore, ranking first in the world. Among them, barium sulfate has the following extensive purposes because it is insoluble in water and acid: Used as raw materials or fillers for paints, inks, plastics, advertising pigments, cosmeti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/46C01B31/20C01B32/50
Inventor 王嘉兴
Owner 王嘉兴