Reverse absorption heat pump augmented distillation process

Details Reverse absorption heat pump augmented distillation process Reverse absorption heat pump augmented distillation process

1980-09-18

1983-09-06

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat for heating the distillation zone

203 19, 203 42, 203100, 203DIG4, 62101, 623242, 62476, 202184, 261128, B01D 314, F25B 1506

Patent

active

044027958

ABSTRACT:
The invention provides a means for reducing the energy consumed by thermally activated separation processes such as fractional distillation. This is done by recovering at least part of the reject heat from such processes and upgrading it for recycle back to input heat. The upgrading is accomplished by another low temperature source of heat which may also be the separation process reject heat. A simple and reliable heat pump using the reverse absorption principle is incorporated in the separation process to accomplish this upgrading.

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"A New Absorption-Cycle Process for Upgrading Waste Heat" I.E.C.E.C. 14th Proceedings ACS.-G. Cohen et al. 1979, pp. 1920-1724.
Development Status and Utility of the Sulfuric Acid Chemical Heat Pump/Chem. En. Stor. Syst. (15th I.E.C.E.C.) 1980, Clark et al.
Energy Saving Alternatives to Distillation: F. E. Rush, Jul. 1980, Chemical Engineering Progress, vol. 76, No. 8.

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