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