Fractionation process with power generation by depressurizing th

Details Fractionation process with power generation by depressurizing th Fractionation process with power generation by depressurizing th

1982-08-23

1984-09-18

Husar, Stephen F.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60649, 203DIG20, 208365, F01K 1700

Patent

active

044716192

ABSTRACT:
A process is disclosed in which the overhead vapor stream of a fractionation column is utilized as the working fluid which is depressurized to drive a turbine. The turbine may be used to generate electricity which is then used within the fractionation process or in another process, with a preferred use of the electricity being to supply heat to the bottom of the fractionation zone. The turbine is integrated into the overhead system of the column and the turbine effluent enters the overhead condenser to form liquid which may be used as reflux to the column.

REFERENCES:
patent: 1325199 (1919-12-01), Jewell
patent: 1527944 (1925-02-01), Wiggins
patent: 3032482 (1962-05-01), Shoemaker
patent: 4109469 (1978-08-01), Carson
Chemical Engineering Progress, Mar. 1979, pp. 68-71, "Reducing the Energy Demand of Separation Processes" by W. F. Kenney.
Oil & Gas Journal, Jan. 28, 1980, pp. 137-148, "Low-Grade Refinery Heat Recovery Merits Attention" by D. J. Carpenter et al.

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