Catalyst regeneration

Details Catalyst regeneration Catalyst regeneration

1991-02-25

1992-12-15

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422144, 422310, 502 41, 502 42, 639589, 639602, 639DIG19, B01J 2034, B01J 3830, F23D 1448

Patent

active

051715406

ABSTRACT:
Catalytic regenerators, nozzle designs and processes suitable for introducing regeneration air into a catalytic cracking unit which substantially reduce erosion induced nozzle failures include a plurality of nozzle elements having a roughness defined upon the outside surface of said nozzle elements so as to reduce erosion due to the impact of fluidized catalyst particles within the catalytic regenerator.

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G. G. Brown et al. "Unit Operations," John Wiley & Sons, 1950, p. 24.
"Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples," ASTM, Designation A733-86, vol. 1.01 Steel-Piping, Tubing, Fittings, 1989.
J. S. Clarke, "How To Combat Erosion in Fluid Cat Crackers," O&GJ., 51(46) 262-276, Mar. 23, 1953.

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