Use of mixed refrigerants for ethylene plants
Conference
·
OSTI ID:430476
- M.W. Kellogg Co., Houston, TX (United States)
This paper discusses how a Mixed Refrigerant (MR) could be used to advantage in an ethylene plant. The MR is comprised of methane, ethylene, ethane, propylene, propane and butane and is used to replace the conventional Ethylene Refrigerant (ER) cycle in the ethylene plant resulting in energy savings. The extent of energy savings varies with the ethylene plant flowsheet. The paper outlines a methodology to develop an optimum design for the MR system. However, the feedstock flexibility built into most of the ethylene plant designs presents a challenge in the control and operation of this system. The paper discusses methods to achieve desired refrigerant composition for changing feedstocks and outlines some of the key considerations for development of the engineering details and control strategy which must be carefully worked out and developed during the design phase. 4 refs., 10 figs., 1 tab.
- OSTI ID:
- 430476
- Report Number(s):
- CONF-960730--
- Country of Publication:
- United States
- Language:
- English
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