FIELD: cooling agents and solvents. SUBSTANCE: mixtures of halocarbons containing fluorine and chlorine and/or bromine are brought in contact with hydrogen in the presence of silicium and/or a metal selected from the group: aluminium, molybdenum, titanium, iron and copper (or alloys thereof). The reactor is either empty, or filled with particles or those formed of the above mentioned metals or of carbon with a low surface area. The process is carried out at the temperature 350-700 C and the pressure from 100 to 7000 kPa resulting in a mixture of products, in which distribution of the fluorine substituents at the carbon atoms mainly corresponds to that in the starting mixture of halocarbon compounds. EFFECT: new cooling agents obtained. 3 cl, 3 dwg, 1 tbl
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