In situ observation of gas hydrate behaviour under high pressure by Raman spectroscopy

T. Komai, T. Kawamura, S. Kang, K. Nagashima, Y. Yamamoto

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

The dynamic process and kinetics of gas hydrate formation and dissociation have been studied by means of Raman spectroscopy. The formation and dissociation of methane and carbon dioxide hydrates as well as the phenomenon of interchange of the components were observed as functions of time, temperature and pressure conditions. From the direct observation, it was found that the reformation of carbon dioxide hydrate occurred at the surface and inside the sample of methane hydrate as well as producing ice crystals.

Original languageEnglish
Pages (from-to)11395-11400
Number of pages6
JournalJournal of Physics Condensed Matter
Volume14
Issue number44 SPEC ISS.
DOIs
Publication statusPublished - 2002 Nov 11
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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