Techno-economic analysis of CO2 cryogenic distillation from high CO2 content gas field: A case study in Indonesia

Rendra Panca Anugraha*, Vibianti Dwi Pratiwi, Renanto Renanto, Juwari Juwari, Annisa Nurul Islami, Muhammad Yusuf Bakhtiar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Indonesia has natural gas reservoirs with high CO2 content, such as Natuna and Bojonegoro gas fields. Various technologies have been developed, including cryogenic distillation separation technology suitable for application to gas wells with high CO2 content. Cryogenic distillation separates CO2 with high purity according to the operating conditions and the CO2 dew point. Cryogenic distillation was simulated in this study to determine the purity of the CO2 and to compare the economic potential of each approach. The highest CO2 purity using CFZ technology is 98.72% in the Natuna, while the highest purity of CH4 using Pellegrini Distillation technology is 99.95% in the Bojonegoro. Economically, the Natuna and Bojonegoro estimates using the CFZ technology have a lower total annual cost than the Pelegrini distillation. However, CFZ technology has a lower CO2 capture cost than Pellegrini Distillation technology, 7.9 USD/tonne CO2 and 10.26 USD/tonne CO2. In other words, separation using the CFZ technology is more effective for gas fields with higher CO2.

Original languageEnglish
Pages (from-to)226-234
Number of pages9
JournalChemical Engineering Research and Design
Volume202
DOIs
Publication statusPublished - Feb 2024

Keywords

  • CFZ technology
  • Cryogenic distillation
  • Economic potential
  • Process simulation

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