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温度对松木屑气化液体产物组成的影响

, PP. 189-197

Keywords: 松木屑,气化,液体产物,傅里叶变换红外光谱,气质联用

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Abstract:

?利用傅里叶变换红外光谱(ft-ir)和气质联用(gc/ms)技术,研究了松木屑在400~900℃气化液体产物的主要组成成分和液体产物主要化学组成的来源与转化随气化温度变化的规律。结果表明,松木屑低温气化液体产物主要为酮、呋喃和愈创木酚等含氧化合物。随气化温度升高,液体产物的组成发生显著变化,400~500℃主要发生愈创木酚向酚类化合物的转变,500~600℃主要发生酮、呋喃向酚类化合物的转变,600~700℃主要发生酚类向茚和pahs(多环芳烃)的转变,700~900℃主要发生酚类化合物向pahs的转变,900℃液体产物的组成为大分子量的pahs。

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