Mineral oils: processes and products – Chemical conversion of hydrocarbons – Solids contacting and mixing
Patent
1984-04-10
1985-12-03
Konopka, P. E.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Solids contacting and mixing
55 1, 55349, 208161, 422144, 502 21, 502 41, 502 43, C10G 1118, B01J 2938, B01D 4516
Patent
active
045564795
ABSTRACT:
A process for the clean-up of particulate containing gases is provided wherein a difference in pressures between the pressure of particulate-containing gases in the inlet to cyclone separation means and the pressure in an underflow exit is maintained and controlled. In a preferred embodiment, the particulate-containing gases comprise flue gas from a catalyst regeneration process comprising two separate regeneration zones comprising a low temperature regeneration zone followed by a higher temperature regeneration zone. A CO rich flue gas is recovered from the low temperature regeneration zone and a CO.sub.2 rich flue gas is recovered from the higher temperature regeneration zone. The high temperature CO.sub.2 rich flue gas is passed through a heat exchanger to produce steam and cool the CO.sub.2 rich flue gas. The cooled CO.sub.2 rich flue gas is passed through cyclone separators to capture catalyst particles. The particle containing cooled gas is separated according to this invention in two zones maintained at a desired pressure differential and so that the volume of underflow gas moving with the separated catalyst fines is limited.
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Black Alan J.
Mauleon Jean-Louis
Newman Robert J.
Konopka P. E.
Total Engineering and Research Company
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