Ethane rejection from existing cryogenic plants
Conference
·
OSTI ID:5586326
Natural gas cryogenic expander plants are designed for maximum economic ethane recovery. The percentage of ethane recovered depends on various factors, such as temperature, pressure, and composition of the inlet gas; demethanizer tower pressure; type of cryogenic process; and whether supplemental refrigeration is used. Plants now in service typically recover in the range of 70 to 80% ethane. However, with the high cost of gas, it may not be profitable to operate at a high ethane recovery; it may be more economical to operate at high propane recovery and reject as much ethane as possible. How existing plants can be operated to reject ethane, and what can be expected in the way of propane recovery are discussed.
- OSTI ID:
- 5586326
- Report Number(s):
- CONF-8210304-
- Country of Publication:
- United States
- Language:
- English
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