Co-gasification of bituminous coal-pine sawdust blended char with H2O at temperatures of 750-850 °C

Hyo Jae Jeong, In Sik Hwang, Jungho Hwang

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


This short communication reports on an experimental study that is an expansion of our previous study (Jeong et al., 2014). In the present study, the coal-biomass blended char was co-gasified with H2O. Similar to the results of our previous study, the improvement of the blended char's reactivity with increasing the biomass amount was observed. The volume reaction model (VRM), shrinking core model (SCM), and random pore model (RPM) were applied to obtain the kinetic parameters, which were the pre-exponential factors and the activation energies. The RPM was determined to describe the char gasification the best according to the results of a comparison between the experimental reactivity and the results predicted using each model. Synergy of the reactivity was seen at all of the coal-biomass ratios and it increased as the amount of biomass increased.

Original languageEnglish
Pages (from-to)26-29
Number of pages4
Publication statusPublished - 2015 Sept 15

Bibliographical note

Funding Information:
This study was supported by the Converged Energy Materials Research Center (CEMRC) of the Republic of Korea. The authors gratefully acknowledge this support (NE-31).

Publisher Copyright:
© 2015 Elsevier Ltd.

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry


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