Monobasic stable type peroxyacetic acid disinfection solution and preparation method of monobasic stable type peroxyacetic acid disinfection solution

A technology of peracetic acid and disinfectant, applied in the directions of botanical equipment and methods, disinfectants, chemicals used for biological control, etc., can solve the problems of inconvenience, low stability, long reaction time, etc. The effect of slow, proper proportion and stable system

Inactive Publication Date: 2017-05-24
广州迈高化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are two types of peracetic acid products on the market: one is the binary type, and its product is divided into two components, A and B, which are usually stored separately. After a certain time, it can be diluted to the required concentration for use. This type of product is convenient for production, storage and t

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] The present invention is a preparation method of monobasic stable peracetic acid disinfectant, which includes the following steps:

[0018] (1) Add glacial acetic acid to the stirring device according to the formula, add concentrated sulfuric acid, hydrogen peroxide, and compound stabilizer in sequence during continuous stirring, stir evenly, stop stirring, continue to stand. Preferably, the formula is calculated by mass percentage and is composed of 30-60% hydrogen peroxide, 40-60% glacial acetic acid, 1-3% concentrated sulfuric acid, and 0.2-2.5% compound stabilizer. Preferably, the concentration of hydrogen peroxide added is 40-60 wt%, the concentration of glacial acetic acid is 95 wt% or more, and the concentration of concentrated sulfuric acid is 95 wt% or more. Preferably, the compound stabilizer is composed of hydroxy ethylidene diphosphonic acid, disodium EDTA, 8-hydroxyquinoline and sodium pyrophosphate. The use of a suitable stabilizer combination is also benefic...

Example

[0023] Example 1 and Comparative Example 1

[0024] Hydrogen peroxide (50%): 500g

[0025] Glacial acetic acid (99%): 500g

[0026] Concentrated sulfuric acid (98%): 20g

[0027] Compound stabilizer: 20g, composed of hydroxyethylidene diphosphonic acid, disodium EDTA, 8-hydroxyquinoline and sodium pyrophosphate, with a weight ratio of 1:0.5:0.5:0.5.

[0028] At room temperature, add glacial acetic acid to the stirring device, start stirring, add sulfuric acid, stir for 5 minutes, then add hydrogen peroxide, add compound stabilizer after stirring for 10 minutes, and stir for 30 minutes; stop stirring and continue to stand at constant temperature for 3 hours ; Then continue to stand the reaction for 8 hours, determine the content of hydrogen peroxide and peracetic acid in the solution, and divide this solution into two equal parts, labeled as Comparative Example 1, Example 1, and add 10% of the solution in Example 1 to Ionized water (104g deionized water in this example); after standing...

Example

[0031] Example 2 and Example 3

[0032] Hydrogen peroxide (50%): 300g

[0033] Glacial acetic acid (99%): 510g

[0034] Concentrated sulfuric acid (98%): 20g

[0035] Compound stabilizer: 20g, composed of hydroxyethylidene diphosphonic acid, disodium EDTA, 8-hydroxyquinoline and sodium pyrophosphate, with a weight ratio of 0.8:0.8:0.5:0.3.

[0036] The specific preparation steps are:

[0037] (1) Add glacial acetic acid to the stirring device, stir at a certain constant temperature, add concentrated sulfuric acid, stir for 6 minutes, then add hydrogen peroxide, stir for 12 minutes, add the compound stabilizer, stir for 35 minutes, stop stirring, Continue to stand at a constant temperature for 3 hours.

[0038] (2) Continue to stand for 8 hours, add 120 g of deionized water, and stir evenly.

[0039] (3) Stop stirring and let it stand overnight to complete the preparation.

[0040] Under the same formula, using the same preparation process as described above, but setting the constant temper...

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PUM

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Abstract

The invention discloses a monobasic stable type peroxyacetic acid disinfection solution and a preparation method of the monobasic stable type peroxyacetic acid disinfection solution. The preparation method comprises the following steps: (1) adding glacial acetic acid into a stirring device according to formula; continuously stirring and adding concentrated sulfuric acid, hydrogen peroxide and a compound stabilizer in sequence; uniformly stirring; after stopping stirring, standing; (2) after standing for at least 7 hours in the step (1), adding de-ionized water and uniformly stirring; (3) stopping stirring and standing for one night to prepare the monobasic stable type peroxyacetic acid disinfection solution. By adjusting a process, the proportion of peroxyacetic acid, the hydrogen peroxide and the acetic acid in the prepared solution is proper and a system is relatively stable; the content of the peroxyacetic acid is kept in a relatively high interval for relatively long time through chemical balance and is slowly reduced.

Description

technical field [0001] The invention relates to the field of disinfection products, in particular to a peracetic acid disinfectant. Background technique [0002] As a disinfectant, peracetic acid (C2H4O3) has the advantages of broad-spectrum, high efficiency, quick-acting, non-toxic and non-residual decomposition products, etc. It has been used for disinfection as early as the 1940s, and it has been widely used in my country in the 1970s . [0003] At present, there are two types of peracetic acid products on the market: one is the binary type, and its product is divided into two components, A and B, which are usually stored separately. After a certain time, it can be diluted to the required concentration for use. This type of product is convenient for production, storage and transportation, but it is extremely inconvenient due to the temporary mixing reaction during use and the long reaction time; the other is the one-component type. It can be directly diluted and used, wh...

Claims

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Application Information

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IPC IPC(8): A01N59/00A01P1/00
CPCA01N59/00
Inventor 许详郑庆禄刘露冷淑珍尹曲平
Owner 广州迈高化学有限公司
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