FIELD: petrochemical syntheses. SUBSTANCE: as catalyst for synthesis of formaldehyde by way of oxidizing natural and associated gas, molybdenum-zirconium catalyst applied of silica gel in quantity 0.15-1 wt % is utilized, and oxidation is carried out at 650 C maintaining content of methane in methane-containing mixture on the level 30 vol.%. EFFECT: increased selectivity of catalyst.
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