Preparation method of antibacterial and deodorant material for refrigerator and freezer

Abstract

The invention discloses a preparation method of an antibacterial and deodorant material for a refrigerator and a freezer. A porous material with the specific area being 200 m<3> / g-2,000 m<3> / g is used as a carrier, the carrier is one or more of active carbon, a molecular sieve and a resin material, the carrier is subjected to chemical pretreatment, dried and smashed, the fine powder is then soaked in a mixed solution of soluble metal salt, vitamin B12, organic amine substances and an auxiliary, and finally shaping and drying are carried out; the soluble metal salt is one or more of silver salt, zinc salt and nickel salt. The carrier is pretreated with the soluble metal salt, the vitamin and the organic amine substances, and under the effect of the auxiliary, odorous gas existing in the refrigerator and the freezer is completely removed; the effective contact surface of active substances is increased, and the deodorization effect is enhanced; rapid propagation of bacteria is inhibited, the decay speed of food is reduced, and the freshness keeping effect is enhanced; chemical adsorption is good, and release and secondary pollution are avoided.

Description

technical field [0001] The invention relates to the technical field of odor purification in refrigerators, in particular to a preparation method of an antibacterial and deodorizing material for refrigerators and freezers. Background technique [0002] Refrigerators and freezers are widely used in the fields of household, catering and food processing. During use, there will be foul smell, which has an adverse impact on food safety and storage, and also gives people a poor sensory impression. The food, fruits and vegetables themselves emit, such as leeks, garlic, aquatic products, etc.; the other part is caused by the decomposition of bacteria that grow continuously on the food, which also accelerates the deterioration of food, such as the rot of vegetables and fruits, and the deterioration of cooked food; Typical odors of refrigerators and freezers include fishy odors such as dimethylamine and trimethylamine, rancid odors of sulfides such as mercaptans, hydrogen sulfide, and ...

AI Technical Summary

Problems solved by technology

[0002] Refrigerators and freezers are widely used in the fields of household, catering and food processing. During use, there will be foul smell, which has an adverse impact on food safety and storage, and also gives people a poor sensory impression. The food, fruits and vegetables themselves emit, such as leeks, garlic, aquatic products, etc.; the other part is caused by the decomposition of bacteria that grow continuously on the food, which also accelerates the deterioration of food, such as the rot of vegetables and fruits, and the deterioration of cooked food; Typical odors of refrigerators and freezers include fishy odors such as dimethylamine and trimethylamine, rancid odors of sulfides such as mercaptans, hydrogen sulfide, and sulfides, odors of rotten eggs, and garlic odors; the above listed are only refrigerator odors Part of them, they all have the same characteristics, the threshold is extremely low, it is difficult to completely remove the odor

[0003] At present, the deodorization technology used in the industry cannot meet the use requirements in terms of removal efficiency and limit concentration. More importantly, it cannot continue to work under low temperature and high relative humidity conditions in the refrigerator, and is not suitable for refrigerators and freezers. Some R&D personnel try to apply ozone, plasma and other technologies to deodorize refrigerators, but due to the lack of safety requirements and processing capacity of refrigerators, practical applications cannot be carried out; based on the above reasons, it is necessary to improve the deodorization technology of existing technologies Improvements are made to make it suitable for antibacterial and deodorizing refrigerators and freezers