Technology for solid barium chloride acidification section

A technology of barium chloride and working section, which is applied in the field of barium chloride production technology, can solve the problems of H2S pollution and high cost, and achieve the effect of no H2S pollution and low cost

Inactive Publication Date: 2015-04-01
ANHUI ZHUCHENG INFORMATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most of the raw materials for the production of barium chloride are barite, which is costly and will cause H2S pollution.

Method used

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  • Technology for solid barium chloride acidification section

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 , a solid barium chloride acidification section process, comprising the following steps:

[0015] A. The witherite is pulverized by a pulverizer, and then the large particle of barium powder is soaked in water to achieve a paste state;

[0016] B. Pour the soaked slurry into the acidification tank through the slurry pump, and add a certain amount of hydrochloric acid with a concentration of 31% regularly, and stir quickly to make the acidification reaction occur;

[0017] C. After the acidification is completed, the solution is added to the neutralizer, and a 31% concentration of caustic soda solution is added to the neutralizer for neutralization reaction to remove magnesium ions and iron ions;

[0018] D. Af...

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Abstract

The invention relates to the field of barium chloride production technologies, in particular to a technology for a solid barium chloride acidification section. The technology comprises steps as follows: witherite is smashed by a smasher, and large-grained barium powder is placed in water for soaking to the pasty state; the well soaked slurry is pumped into an acidification tank by a slurry pump, and a certain amount of hydrochloric acid with the concentration of 31% is added regularly and rapidly stirred for an acidizing reaction; after acidification is completed, a solution is added to a neutralizer, a caustic soda solution with the concentration of 31% is added to the neutralizer for a neutralization reaction, and magnesium ions and iron ions are removed; after neutralization, a neutralizing solution is fed into a settling tank, and large-grained substances are removed; supernatant in the settling tank is fed into a plate and frame filter for filtration, obtained filtrate is sent to an evaporative crystallization section for evaporative crystallization, and a final product is obtained. The technology for the solid barium chloride acidification section has low cost, and H2S pollution cannot be caused.

Description

technical field [0001] The invention relates to the field of barium chloride production technology, in particular to a solid barium chloride acidification process. Background technique [0002] Inorganic salt industry is an integral part of chemical technology, which has the characteristics of many varieties, wide application and various production methods. At present, there are about 1300 kinds of inorganic salts produced in the world. And some inorganic salt products, due to the large scale of production, have developed into independent industrial sectors, such as sulfuric acid and nitric acid industry, alkali industry and fertilizer industry. Barium chloride is a kind of product in the inorganic salt industry. my country is rich in barium ore resources. It is predicted that the total reserves of resources will exceed 1 billion tons, and the grade of barium ore is relatively high. The reserves and output of barium ore are currently the first in the world. Favorable condit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01F11/24
CPCC01F11/28
Inventor 苏志玉
Owner ANHUI ZHUCHENG INFORMATION TECH
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