FCC process with scanned riser

Details FCC process with scanned riser FCC process with scanned riser

1993-05-10

1994-06-21

Breneman, R. Bruce

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208153, 208DIG1, C10G 1118, C10G 3514

Patent

active

053226186

ABSTRACT:
A process and apparatus for fluidized catalytic cracking of heavy oil feed using a plurality of feed nozzles. Flow through each nozzle is controlled based on distribution of feed, steam or catalyst in the reactor, as determined by a scanner such as a rotating gamma ray source and detector. More uniform contact of catalyst and feed improves conversion.

REFERENCES:
patent: 4532026 (1985-07-01), Fries
patent: 4650566 (1987-03-01), Buyan et al.
patent: 4808383 (1989-02-01), Buyan et al.
Bartholomew, et al. "Measuring Solids Concentration in Fluidized Systems by Gamma-Ray Absorption," Industrial and Engineering Chemistry, vol. 49, No. 3, Mar. 1957, pp. 428-431.

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