METHOD OF PRESERVATION OF FOOD-STUFFS AND PLANT FOR REALIZATION OF THIS METHOD Russian patent published in 1999 - IPC

FIELD: refrigeration and storage of food-stuffs. SUBSTANCE: food-stuffs contained in refrigerating chamber are acted on by nitrogen medium. Used gaseous nitrogen is fed to storage chamber and/or technological procedure chamber communicated with it via pipe lines. Provision is made for gaseous nitrogen supply control system. EFFECT: increased degree of use of low-temperature potential of gaseous nitrogen; reduced consumption of expensive cryogenic agent for refrigeration and storage of food-stuffs. 9 cl, 1 dwg, 1 App i