Coking process with hot solids recycled to the stripping zone
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United States of America Patent
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-
Jan 5, 1993
Grant Date -
N/A
app pub date -
Jul 15, 1991
filing date -
Jul 15, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved fluid coking process which includes: (a) a fluid coker comprised of a coking zone, a scrubbing zone, and a stripping zone; (b) a heater, and optionally a gasifier. The improvement comprises feeding a portion of the heated solids from the heater and/or the gasifier, to the stripping zone. Consequently, the coking zone can be operated at a temperature lower than the stripping zone.
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Cited Art Landscape
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