Fluid catalytic cracking with automatic temperature control

Details Fluid catalytic cracking with automatic temperature control Fluid catalytic cracking with automatic temperature control

1976-10-18

1978-05-30

Ruggiero, Joseph F.

Boots, shoes, and leggings

23288S, 208159, 208164, 208DIG1, 364105, 364118, C10G 1318, G06G 758

Patent

active

040927229

ABSTRACT:
A fluid catalytic cracking unit is controlled by sensing the reactor bed temperature and the riser temperature and by manipulating the flow of regenerated cracking catalyst into the riser responsive to these two temperature measurements. A gain function generator is utilized to compensate for the non-linear relationship between the change in valve position and change in riser temperature caused thereby.

REFERENCES:
patent: 3175968 (1965-03-01), Berger
patent: 3213014 (1965-10-01), Atkinson et al.
patent: 3316170 (1967-04-01), Stewart et al.
patent: 3408261 (1968-10-01), Johnson et al.
patent: 3410793 (1968-11-01), Stranahan et al.
patent: 3513087 (1970-05-01), Smith
patent: 3549998 (1970-12-01), Fluegel
patent: 3629097 (1971-12-01), Smith
patent: 3760168 (1973-09-01), Boyd
patent: 3828171 (1974-08-01), Griffin

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