抄録
In ambient air having 60 relative humidity (RH) at 25°C, the adsorption of methanethiol by sepiolite was studied by comparison with that by coconut-shell active carbon. The amount of methanethiol adsorbed by sepiolite was as small as 0.12μmol/g in the air with 1 ppm methanethiol, while, the amount by active carbon was as large as>1.1μmol/g in the air with <0.03ppm methanethiol. Methanethiol was converted into dimethyldisulfide on active carbon.
In ambient air having 60% RH at 25°C, the removal of methanethiol by the sepiolite-metal complexes was also studied by comparison with that by thc corresponding metal compounds. The removal rate of methanethiol on the sepiolite-metal complexes was larger than that on the corresponding metal compounds. In the oxidation reaction of methanethiol to dimethyldisulfide in the presence of the sepiolite-metal compound complexes, sepiolite much enhances the catalytic action of metal compounds such as metal chloride and oxalate, and metallophthalocyanine.
