Method and apparatus for contacting feed materials with fluidize

Details Method and apparatus for contacting feed materials with fluidize Method and apparatus for contacting feed materials with fluidize

1986-05-30

1988-03-08

Sneed, Helen M. S.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208113, 208127, 208152, 208153, 208164, 208DIG1, C10G 932, C10G 1100

Patent

active

047298251

ABSTRACT:
A method of feeding a mixture of fluidized solids, such as cracking catalyst, and a fluidized feed material to be contacted therewith, such as a hydrocarbon feedstock to be cracked, into a contacting zone. In another aspect, method and apparatus useful in starting up a catalytic cracking unit are disclosed.

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