FIELD: chemical industry. SUBSTANCE: described is method of preparing C2-C3 hydrocarbons which are original stock for preparing polymeric materials and other organic products by oxidative conversion of methane at elevated temperature in the presence of catalyst. Catalyst includes mixture of oxides of rare-earth elements of europium-yttrium or samarium terbium group s resulting from industrial nitrate solutions of rare-earth elements. EFFECT: simplified and cheaper method and higher process selectivity. 7 cl, 28 ex, 1 tbl
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