FIELD: chemistry.
SUBSTANCE: invention relates to method and device for catalysis in fluidised bed. Vaporous flow of hydrocarbon raw material is fed into a box, located in a riser. From box, located in radial centre of said riser, through a nozzle with outlet end directed from radial centre, material is injected into riser for contact with catalyst. Streams of regenerated catalyst and coked catalyst pass in riser and are mixed around insert in lower section of riser.
EFFECT: technical result is improved distribution of hydrocarbon material relative to catalyst in riser.
7 cl, 8 dwg
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