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While the IPOR unit requires somewhat more CAPEX and OPEX than a "minimal type investment" of the refrigeration unit, these costs are more than compensated for with the increased NGL revenue.
Table 7 summarizes the comparisons discussed in this article.
References
1. Malsam, Michael G, "IPOR Technology—A new means of LPG recovery," Gas Processors Association Annual Convention, "High Definition at 90—Advancing the Midstream Vision," March 2011.
2. "Gas Processing with Cryogenic Turboexpander Technology," Randall Gas Technologies, Houston; January 2011 Edition.
The authors
Robert R. Huebel ([email protected]) is vice-president of technology of Randall Gas Technologies, a division of Lummus Technology Inc., a CB&I company. His previous role was as president of the ABB Randall Corp. He joined the company in 1976. Huebel has more than 40 years' experience in the domestic and international engineering, procurement, and construction and natural gas processing industries, including process engineering, project management, contract development, and executive management. He holds a BSc in chemical engineering and an MBA from the University of Houston. Huebel is a registered professional engineer in seven states, is a member of the American Institute of Chemical Engineers and Project Management Institute, and currently serves on the board of directors of the Gas Processors Suppliers Association.
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