FIELD: petroleum chemistry. SUBSTANCE: catalyst has an active component consisting of, %: TiO2 75-90; V2O5 10-25; KH2PO 0.5-3; Bi(NO3)3 0.5-3; Cs2SO4 0.5-3; MaSO4 0.5-3, and carrier - the rest. Carrier is technical china as rings (exterior diameter is 5-10 mm, hole diameter is 2-7 mm, height is 5-10 mm). Carrier has 70-75% magnesium silicate, 15-25% kaolin and 5-10% beryllium clay. Concentration of active component in catalyst is 1-5 wt.-%. EFFECT: increased effectiveness of catalyst.
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