| abstract |
FIELD: petroleum chemistry. SUBSTANCE: method involves the steps of: sequentially introducing clay suspension, solution of potassium alkali, liquid potassium glass, solution of chromic acid and alumina into an a mixer, mixing for 4 hours, applying the suspension into a spray type counter-current drier in two combined flows with opposite rotation of particles in the flows, calcining in a muffle furnace at the temperature of 660 degrees C for 2 hours. The catalyst is characterized by the yield of butylenes on passed butane equal to 54.2-45.6%, on decomposed butane equal to 83.6-83.9%, fretting index of 12-15. EFFECT: enhanced efficiency. 1 tbl |