Ethylene plant refrigeration system

Details Ethylene plant refrigeration system Ethylene plant refrigeration system

1998-01-06

1999-11-09

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62619, 62935, F25J 100

Patent

active

059791772

ABSTRACT:
A refrigeration system for an ethylene plant uses a low pressure demethanizer and a binary refrigerant comprising a mixture of methane and ethylene or methane and ethane. The refrigeration composition may be constant throughout the system or separators may be used to divide the refrigerant into a methane-rich binary refrigerant and an ethylene- or ethane-rich binary refrigerant.

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patent: 5611216 (1997-03-01), Low et al.
Kaiser, V., Salhi, O. and Pocini, C., "Analyze mixed refrigerant cycles", Hydrocarbon Processing, Jul. 1978, pp. 163-166.
Kaiser, V., Becdelievre, C. and Gilbourne, D.M., "Mixed refrigerant for ethylene", Hydrocarbon Processing, Oct. 1976, pp. 129-131.

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