May 2001

Special Report: Gas Processing Developments

Improve NGL recovery

Processing conditions and product specifications determine the best method to recover NGLs

Singh, S., Fort Wheeler Eastern Pte. Ltd.; Aggarwal, V., Foster Wheeler Eastern Pte Ltd.

Product recovery and separation requirements dictate the methods used to recover natural gas liquids (NGLs). Some product configurations mandate applying the turbo-compression / expansion route; while sometimes, it is sufficient to use external refrigeration without turbo-expansion. In principle, the former is more capital intensive; however, it offers significant power savings in some situations. Table 1 lists important factors that can affect the processing scheme used for NGLs.   Table 1. Factors affecting the selection of a processing route  

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