Tri-reforming of methane over Ni catalysts for CO2 conversion to Syngas with desired H2CO ratios using flue gas of power plants without CO2 separation

Chunshan Song, Wei Pan, Srinivas T. Srimat, Jian Zheng, Yan Li, Yu He Wang, Bo Qing Xu, Qi Ming Zhu

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

Tri-reforming is a novel process concept proposed for effective conversion and utilization of CO2 in the flue gases from fossil fuel-based power plants (C. Song, Chemical Innovation, 2001, 31, 21-26). The CO2, H2O, and O2 in the flue gas need not be pre-separated because they will be used as co-reactants for tri-reforming of natural gas. The tri-reforming is a synergetic combination of CO2 reforming, steam reforming, and partial oxidation of natural gas. It can produce synthesis gas (CO+H2) with H2/CO ratios (1.5-2.0) and could eliminate carbon formation which is a serious problem in the CO2 reforming of methane. These two advantages have been demonstrated by a laboratory experimental study of tri-reforming at 850°C. Both thermodynamic analysis and the experimental testing in a fixed-bed flow reactor showed that over 95% CH4 conversion and over 80% CO2 conversion can be achieved by using certain supported transition metal catalysts such as Ni supported on an oxide substrate.

Original languageEnglish (US)
Pages (from-to)315-322
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume153
DOIs
StatePublished - 2004

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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