Abstract Production of alkanes from bio-oil is usually conducted under a rigorous condition with high hydrogen consumption. In this study, a novel method for long-chain alkanes production via catalytic upgrading of cellulose pyrolysis vapors over Au/TS-1 catalyst under a mild condition without hydrogen and normal pressure was reported. Catalytic upgrading of cellulose was performed on a dual pyrolyzer (Py) coupled with gas chromatograph/mass spectrometry (GC/MS). The experimental results showed that Au/TS-1 could effectively decrease the oxygen content of bio-oil from 100 % to 21 %, and increase the selectivity of alkanes from 0 % to 76.7 %. Glucose, methanol and n-pentane were used as model compounds to understand the possible upgrading mechanism for the formation of hydrocarbons, and it is shown that the long-chain alkanes were generated from methyl and hydroxyl dehydration.

中文翻译：

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一种无额外氢源条件下长链烷烃的新方法：在Au/TS-1催化剂上催化升级纤维素热解蒸气

摘要 以生物油为原料生产烷烃通常在苛刻的条件下进行，耗氢量较高。在这项研究中，报道了一种在无氢气和常压的温和条件下，通过在 Au/TS-1 催化剂上催化升级纤维素热解蒸气生产长链烷烃的新方法。纤维素的催化升级在双热解器 (Py) 上与气相色谱/质谱 (GC/MS) 联用进行。实验结果表明，Au/TS-1可以有效地将生物油的含氧量从100%降低到21%，烷烃的选择性从0%提高到76.7%。葡萄糖、甲醇和正戊烷被用作模型化合物，以了解碳氢化合物形成的可能升级机制，