Method for storage of horticultural products in freshness

摘要

There is provided a method for preservation of horticultural products in freshness by circulation of the atmosphere surrounding these products and removal of ethylene from it on the outside of the storage chambers, consisting in removing ethylene by catalytic combustion. Combustion of ethylene is carried out advantageously in the presence of platinum catalyst, obtained by impregnation of active aluminum oxide of specific surface area of about 200 m2/g with a 0.05-0.5% solution of chloroplatinic acid followed by drying and heating in the stream of air at the temperature up to 550 DEG C. Ethylene combustion is carried out advantageously in the presence of platinum catalyst additionally activated by impregnation with oleic acid at the temperature of 60 DEG -80 DEG C., slow heating in the stream of nitrogen up to the temperature of 400 DEG -450 DEG C. for 2 hrs, followed by heating in the stream of air at the temperature 500 DEG -550 DEG C.