Optimum ethane recovery in conventional turboexpander process

R. Chebbi, N. S. Al-Amoodi, N. M. Abdel Jabbar, G. A. Husseini, K. A. Al Mazroui

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


Ethane recovery in a conventional turboexpander process is optimized considering different demethanizer pressures and different feeds: a lean gas and a rich one. The design variables are varied, while meeting process constraints, in order to find the optimum conditions achieving the maximum profit. The analysis covers the whole process including the refrigeration part, and the entire typical demethanizer pressure range. The optimum ethane recovery is compared with the maximum possible recovery for each value of the demethanizer pressure. Recommendations are given regarding the selection of the level of ethane recovery, along with the demethanizer pressure, and refrigeration recovery system.

Original languageBritish English
Pages (from-to)779-787
Number of pages9
JournalChemical Engineering Research and Design
Issue number5-6
StatePublished - May 2010


  • Ethane
  • Natural gas liquids (NGL)
  • Optimization
  • Recovery
  • Simulation
  • Turboexpander


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