Energy analysis and waste heat recovery in a refinery

M.A. Doheim, S.A. Sayed and O.A. Hamed

Energy, 1986, vol. 11, issue 7, 691-696

Abstract: Petroleum refining is an energy-intensive industry and waste-heat recovery is essential. We investigate energy consumption of 4 refining processes: two crude distillation units, a vacuum distillation unit, and a platforming unit. Current heat-recovery practices and a new heat-recovery system are explored. Heat losses ranged from 25 to 62% of total heat input. The proposed heat-recovery methods increased the heat-utilization efficiencies by 12 to 48.5%, with overall heat losses reduced by 9.9 to 37.3%. A rotating regenerative heat exchanger is the heat-recovery unit of choice in terms of fuel saving and pay-back time.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:11:y:1986:i:7:p:691-696

DOI: 10.1016/0360-5442(86)90150-7

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