Closed reactor FCC system with provisions for surge capacity

Details Closed reactor FCC system with provisions for surge capacity Closed reactor FCC system with provisions for surge capacity

1983-09-06

1986-04-01

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element is fluid pressure sensitive

55432, 208113, 208161, 422112, 422144, 422145, 422146, B01J 818, B01D 4512, B04C 526

Patent

active

045797161

ABSTRACT:
A fluid catalytic cracking (FCC) apparatus and process comprising a reactor riser zone, a primary and a secondary cyclones, connected in series to the riser zone, and a stripping zone. The riser zone, the primary and the secondary cyclones, and the stripping zone, are placed within a single reactor vessel. The primary cyclone is connected to the reactor riser zone by an enclosed conduit which prevents random post-riser thermal cracking of the hydrocarbons after they exit the reactor riser zone. The conduit contains a trickle valve, or other means, to accommodate sudden increased surges of flow of the hydrocarbons and catalyst mixture.

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