流動層ガス化炉を用いた褐炭のガス化で生成したタール成分の水蒸気量による影響

摘要

In this study, we aim to clarify the effect of amount of steam on tar components in syngas generated by gasifying lignite using a laboratory-scale fluidized bed gasifier. An analytical method of tar components by combining gas chromatograph mass spectrometry (GC/MS) capable of ldentifying low molecular weight components up to molecular weight of about 300, and the field desorption mass spectrometry (FD-MS) that can measure the molecular weight distribution, were proposed. As the results, the main component of tar was found to be polycyclic aromatic hydrocarbons(PAHs) even when the amount of steam was changed at 1123 K.%実験室規模の流動層ガス化炉を使用して褐炭を1123Kで水蒸気量を変化させてガス化実験を実施した結果，得られたタールの主成分は，水蒸気量に依存せず，分子量150-600の置換基を持たないPAHであることを明らかにした.