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

1985-11-08

1986-11-25

Metz, Andrew H.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208113, 208161, 422113, 422147, 55432, C10G 5700, C10G 1118

Patent

active

046247726

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.

REFERENCES:
patent: 3821103 (1974-06-01), Owen et al.
patent: 4070159 (1978-01-01), Myers et al.
patent: 4163726 (1979-08-01), Wilson et al.
patent: 4385985 (1983-05-01), Gross et al.
patent: 4394349 (1983-07-01), Cartmell
patent: 4414101 (1983-11-01), Smith et al.
patent: 4446107 (1984-05-01), Buyan et al.
patent: 4579716 (1986-04-01), Krambeck

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