Catalyst – solid sorbent – or support therefor: product or process – Having foreign or diverse function – With structure having utility in addition to support or carrier
Patent
1982-08-30
1984-02-28
Konopka, P. E.
Catalyst, solid sorbent, or support therefor: product or process
Having foreign or diverse function
With structure having utility in addition to support or carrier
34 57A, 62 57, 16510416, 208164, 364500, 502 41, B01J 2120, B01J 2938, C10G 1118, F27B 1508
Patent
active
044342454
ABSTRACT:
A process and associated apparatus for the cooling of hot fluidized solid particles. The particles flow from a dense phase fluidized bed into the shell side of a vertically oriented shell and tube heat exchanger where cooling occurs via indirect heat exchange with a cooling media circulating in the tubes. The extent of cooling is controlled by the varying of the heat transfer coefficient between the tubes and particles in the heat exchanger which are maintained as a dense phase fluidized bed. The coefficient is varied by varying a combination of the variables comprising the quantity of fluidizing gas to the fluidized bed in the heat exchanger and the quantity of particle flow through that bed. The process has particular applicability to a combustive regeneration process and most particular applicability to the FCC process.
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"Fluidized-bed Heat Transfer: A Generalized Dense-phase Correlation"; A.I.Ch.E. Journal; Dec. 1956; vol. 2, No. 4; pp. 482-488.
Lomas David A.
Thompson Gregory J.
Hoatson Jr. James R.
Konopka P. E.
Morris Louis A.
Page II William H.
UOP Inc.
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