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Method of preparing stable chloride dioxide

A chlorine dioxide, stable technology, applied in the new field of preparing stable chlorine dioxide, can solve the problems of easy decomposition, failure, short storage time, etc., and achieve good stability and good stability

Inactive Publication Date: 2003-11-12
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the storage time of this method is relatively short, and it is easy to decompose and fail.

Method used

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  • Method of preparing stable chloride dioxide
  • Method of preparing stable chloride dioxide
  • Method of preparing stable chloride dioxide

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Experimental program
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Embodiment Construction

[0015] 1, in the saturated aqueous solution that 100 gram sodium carbonates are made, add 55ml weight percentage concentration and be 30% hydrogen peroxide, 5 gram hydrogen peroxide stabilizers (this stabilizer weight percentage consists of: sodium silicate 40%, coke Sodium phosphate 30%, sodium hexametaphosphate 5%, triethanolamine 5%, EDTA 10%, 8-hydroxyquinoline 10%), after stirring for 30 minutes, dilute to 500ml as absorption liquid to absorb chlorine dioxide, prepare the concentration A 5% solution of stabilized chlorine dioxide. The prepared stable chlorine dioxide solution has good stability and can be stored for a long time, and can be activated with an acidic activator to generate chlorine dioxide gas when used. 2. 8% stable chlorite aqueous solution system: in 500ml 8% chlorite solution, add 4ml of 30% hydrogen peroxide aqueous solution, add 1 gram of glycerol (polyol), add 0.5 gram of stable agent, the stabilizer weight percentage is composed of: sodium silicate 5...

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Abstract

The present invention provides a new method for preparing stable chlorinedioxide, which can prepare stable chlorinedioxide solution which has good stability and can be stored for a long period by using chlorinedioxide gas, at the same time it can prepare stable chloride solution system. When it is used, the acid-like activating agent is added to the stable system, the chlorinedioxide gas can be produced. Said invention adopts the sodium carbonate and hydrogen peroxide as basic component for stability of chlorinedioxide, and adds a series of stabilizing agents to obtain the stable chlorinedioxide solution or in the chlorite solution uses sodium carbonate to regulate pH value of the solution of 7-8 and adds the hydrogen peroxide and stabilizing agent to obtain the stable chlorite solution.

Description

technical field [0001] The invention relates to a stable production method for sterilization, disinfection and antistaling agent, in particular to a production method for stable chlorine dioxide. Background technique [0002] Stable chlorine dioxide is internationally recognized as an excellent, efficient and safe bactericidal disinfectant, deodorizing and anti-mold agent, food preservative, water purifier and high-efficiency bleaching agent. Stability The stability of chlorine dioxide solution is one of the key issues to widen its application range and application effect. The preparation of stable chlorine dioxide solution is usually made by adsorbing chlorine dioxide with a stable solution prepared by sodium percarbonate, sodium perborate, sodium carbonate and hydrogen peroxide, and adopting the stable chlorine dioxide solution prepared by the above absorption liquid, For example, in the Japanese patent JP58129256 with the patent No., it is pointed out in the patent of th...

Claims

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Application Information

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IPC IPC(8): C01B11/02
Inventor 谢承卫高弦
Owner GUIZHOU UNIV
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