Hydrogen adsorption by woodceramics produced from biomass

Takasaki Akito, Iijima Suguru, Yamane Tomoka, Okabe Toshio

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Hydrogen adsorption characteristics of woodceramics, made from radiata pine wood fiber boards carbonized at 1 473K after impregnation with phenolic resin, with and without chemical treatment in an alkaline (KOH) or an acid (H2 SO4) solution were investigated The hydrogen adsorption capacity is improved by chemical treatment. The chemical treatment by KOH improves the adsorption capacity more than by H2SO4. The improvement of the capacity level, in any solution, is dependent on the type of chemical in the solution and its concentration. The maximum hydrogen capacity measured at 93K is mass fraction about w(H) = 2% for the woodceramics after chemical treatment in a volume fraction . = 50% KOH solution, although that is about w(H) = 0.7% for one without chemical treatment. The microscopic condition of pores in the woodceramics is thought to vary after chemical treatment.

Original languageEnglish
Pages (from-to)330-333
Number of pages4
JournalJournal of Shanghai Jiaotong University (Science)
Volume17
Issue number3
DOIs
Publication statusPublished - 2012 Jun 1

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Keywords

  • Adsorption
  • Biomass
  • Chemical treatment
  • Hydrogen
  • Isotherm
  • Woodceramics

ASJC Scopus subject areas

  • General

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