关键词: 自动定硫仪, 载体, 含硫模型化合物, 吸附

Abstract: In this study，automatic sulfur determination analyzer (XK-5000) was used to investigate loading behavior of sulfur- containing model compounds on the different carriers (active carbon，active alumina and silicon dioxide)，the effects of solvents on the absorption ability，and sulfur release behavior of those compounds during combustion process. Results showed that XK-5000 appeared higher repeatability and stability for the sulfur determination; the absorption ability of active carbon to 2-methylthiophene and phenyl sulfide was better than that of active alumina and silicon dioxide; while acetone can promote sulfur compounds absorption on all those carriers，however the effect on active alumina is the most remarkable; the sulfur release rate of phenyl sulfide faster than 2-methylthiophene during combustion process.

Key words: automatic sulfur determination analyzer, carrier, sulfur-containing compounds, absorption