Refrigerative fractionation of cracking-gases in ethylene...

Details Refrigerative fractionation of cracking-gases in ethylene... Refrigerative fractionation of cracking-gases in ethylene...

F - Mech Eng,Light,Heat,Weapons

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F25J 3/06 (2006.01) B01D 3/14 (2006.01) C07C 7/09 (2006.01) C10G 9/00 (2006.01) F25J 3/02 (2006.01)

Patent

CA 1047386

REFRIGERATIVE FRACTIONATION OF CRACKING-GASES IN ETHYLENE PRODUCTION PLANTS . - ABSTRACT OF THE DISCLOSURE . - In a method for the refrigerative fractionation of cracking gases in ethylene production plants 3 the improve- ment consisting in that ethane is used as the refrigeration fluid, it being thus possible to obtain very low tempera- tures, down to minus 88°C: concurrently, the condensation with water is practicable whenever water is available in large masses at a temperature which is in the range from zero centigrade to +25°C; that is the case of sea waters in cold oountries or sweet waters in cold climate. A conside- rable first-cost and running economy become thus available.

274813

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