Method for eliminating formaldehyde with biological protease

A technology of protein and zein, applied in the field of indoor formaldehyde pollution control, can solve the problems of insufficient reaction, furniture wear, low formaldehyde removal rate, etc., and achieve the effect of solving indoor air pollution, no secondary pollution in use, and a wide range of applications

Inactive Publication Date: 2016-09-28
张园
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AI Technical Summary

Problems solved by technology

[0014] In principle, the sealing agent blocks the source of formaldehyde release, and it should be able to completely eliminate the pollution route of formaldehyde. , after a period of time, the sealant applied at the beginning will lose its original effect
However, the use of formaldehyde remover, capture agent and other methods has the problem of elimination effect. Although the pollution can be reduced to a certain extent, because the pollution of the indoor environment is affected by many factors such as pollution degree, temperature, and air circulation, the elimination reaction is

Method used

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Experimental program
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specific Embodiment

[0026] The first step: corn protein-hydrolase-adjusting pH-adding enzyme hydrolysis-deactivating enzyme-filtering-cooling

[0027] The second step: oxidation - activated carbon decolorization - filtration - cooling - crystallization - dehydration separation - drying - drying

[0028] The third step: secondary dissolution - adding active enzyme - citric acid - tea polyphenols, edible ethanol, peppermint oil or eucalyptus oil - triethanolamine - filtration - qualified testing - packaging

[0029] Specific process:

[0030] 1. Feeding. 100 kilograms of zein, 400 kilograms of purified water, 3.5 kilograms of hydrolytic enzymes are added, the pH value is adjusted to 3.0, the temperature is raised to 90° C., and acid hydrolysis is carried out for 3.5 hours.

[0031] 2. Enzyme hydrolysis. Cool down to 50°C, add acid protease according to the enzyme amount of 4000u / g, and enzymatically hydrolyze at 50°C for 3h.

[0032] 3. Oxidation. After 3 hours of enzymolysis, measure the degr...

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Abstract

The invention relates to a method for treating of indoor formaldehyde pollution caused by decorating. According to a method for eliminating formaldehyde with the biological protease method, corn protein, protein activation enzymed, hydrolytic enzymed, oxidase, tea polyphenol, triethanolamine, surfactant and the like are mainly adopted. A formaldehyde eliminating agent for treating indoor decorating pollution is produced, and formaldehyde in decorating materials or formaldehyde in indoor air is eliminated, adsorbed and decomposed.

Description

Technical field: [0001] The invention relates to a method for controlling indoor formaldehyde pollution caused by decoration. Background technique: [0002] 1. Hazards and sources of formaldehyde: [0003] In recent years, with the improvement of people's living standards, people's requirements for interior decoration standards have become higher and higher, and home decoration has become increasingly modernized. However, the problem of indoor air chemical pollution caused by materials and decoration has followed. These chemicals have seriously affected the health of residents, and have attracted great attention from countries around the world and relevant domestic departments. Among many pollution sources, formaldehyde is listed as the number one pollutant due to its large amount, strong toxicity, strong absorption and wide range. [0004] Formaldehyde is a volatile organic compound with high toxicity. (Chemical formula HCHO, molecular weight: 30.03, is a colorless gas w...

Claims

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Application Information

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IPC IPC(8): B01D53/84B01D53/72
CPCB01D53/72B01D53/84B01D2255/804Y02A50/20
Inventor 张园
Owner 张园
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