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A preparation of low-sodium nacl:k by melting recrystallization technology + salt method

A low-sodium salt, recrystallization technology, applied in the direction of alkali metal halide purification, food science, alkali metal chloride, etc. Inconvenient use and other problems, to achieve the effect of long-term storage and use, considerable economic and social benefits, and simple equipment

Active Publication Date: 2021-12-31
吉林省光盐健道健康管理集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to make KCl evenly distributed in NaCl by mechanical mixing technology
[0009] 2. The taste problem of low sodium salt
[0011] 3. Long-term storage and convenience of use of low-sodium salt
[0012] Contains K + , Mg 2+ Ionic low-sodium salt powder is more hygroscopic, making its storage time shorter and more likely to agglomerate, which brings inconvenience to storage and use

Method used

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  • A preparation of low-sodium nacl:k by melting recrystallization technology <sup>+</sup> salt method
  • A preparation of low-sodium nacl:k by melting recrystallization technology <sup>+</sup> salt method
  • A preparation of low-sodium nacl:k by melting recrystallization technology <sup>+</sup> salt method

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Embodiment Construction

[0027] Describe in detail the NaCl of the present invention's growth below by specific example:K + The preparation process of the crystalline material, the specific implementation method is as follows:

[0028] 1) Select 8kg of high-purity powdered salt with a NaCl content of more than 99.5% and 2kg of KCl salt powder with a content of more than 99.5% and put it into a stirring mixer. in the furnace;

[0029] 2) After 30 minutes, the temperature of the furnace rises to 500°C and is kept at a constant temperature for 1 hour, then continues to be rapidly heated to 800°C and kept at a constant temperature for 0.5 hours;

[0030] 3) Then continue to heat up to 950°C within 20 minutes, stop heating immediately and cool down to 800°C naturally. This process was repeated 2 times.

[0031] 4) Rapidly raise the temperature from 800°C to 1350°C, hold the temperature for 5 minutes, then cool down naturally to 800°C, and then raise the temperature to 1350°C for 5 minutes. Repeat the p...

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Abstract

The invention discloses a method for preparing low-sodium NaCl:K by melting recrystallization technology. + salt method, which makes K + Ions enter the NaCl lattice to form available NaCl:K + A "new" KCl-doped NaCl crystalline compound represented by NaCl:K + The purity of the crystalline product can reach more than 99%, and the yield of the product is greater than 80%; it can be used in high-tech industries and edible fields for NaCl:K + The purity requirement of product; This method can significantly improve large-scale industrialization and prepare high-purity NaCl: K + The production efficiency of the product is expected to have considerable economic and social benefits.

Description

technical field [0001] The invention belongs to the field of NaCl table salt production, in particular to a production of high-purity NaCl:K by means of fusion recrystallization technology. + Process technology methods for low-sodium table salt. Background technique [0002] Sodium chloride is a seasoning agent with important physiological functions for life on earth. The concentration of sodium ions in the blood is directly related to the regulation of safe levels of body fluids. However, a large number of epidemiological data and clinical studies have confirmed that excessive intake of salt can cause Na + Ion excess can lead to many adverse physiological reactions: long-term high-salt diet can increase human blood pressure; other studies have shown that high-salt diet can cause ventricular hypertrophy, ventricular systolic dysfunction, and vascular endothelial dysfunction independently of blood pressure levels. It can also increase the stiffness of blood vessel walls an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01D3/20C01D3/04A23L27/40
CPCC01D3/20C01D3/04A23L27/40C01P2006/80
Inventor 张继森冯彦忠徐增山
Owner 吉林省光盐健道健康管理集团有限公司
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