Laboratory measurement of absorption and oxidation of sulphur dioxide by zeolite

Yasuhiro Sakurai, Yoshiaki Takahashi, Tomoyuki Makino

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

Two types of zeolite (Na-Y and H-Y) were exposed to air containing sulphur dioxide at varying conditions of relative humidity and temperature. We found that the amount of sulphate in the zeolite increased with increasing relative humidity and temperature. The rate and activation energy for the oxidation of sulphur dioxide to sulphate were determined for each experimental condition. The rate constant and activation energy increased as relative humidity decreased. These results can provide data which may be used to predict the amount of oxidation from sulphur dioxide to sulphate in the suspended clay particles in air and on soil surfaces, which is necessary to correctly understand sulphur fates on the earth.

Original languageEnglish
Pages (from-to)315-319
Number of pages5
JournalJournal of Geochemical Exploration
Volume64
Issue number1-3 -3 pt 1
DOIs
Publication statusPublished - 1998 Nov
Externally publishedYes
EventProceedings of the 4th International Symposium on Environmental Geochemistry ISEG. Pt 1 (of 2) - Vail, CO, USA
Duration: 1997 Oct 51997 Oct 10

Keywords

  • Oxidation
  • Sulphur dioxide
  • Zeolite

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Economic Geology

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