除氧
催化作用
化学
苯酚
热解
愈创木酚
活性炭
反应性(心理学)
无机化学
棕榈仁
碳纤维
核化学
有机化学
材料科学
复合数
棕榈油
替代医学
复合材料
吸附
病理
医学
食品科学
作者
Yang An,Arash Tahmasebi,Xiaohui Zhao,Tawanda Matamba,Jianglong Yu
标识
DOI:10.1016/j.biortech.2020.123111
摘要
This study addresses the in-situ microwave catalytic reforming of volatile matter from palm kernel shell (PKS) over iron-loaded activated carbon (Fe/AC) catalysts. The impacts of catalyst composition on the secondary gas-phase reactions and distribution of products were studied at 500 °C. It was found that the Fe/AC catalyst promoted the yield of light gases. Using the 1%-Fe/AC catalyst, the yield of gaseous fraction peaked at 37.09 wt%. The selectivity of the deoxygenated products was promoted in the presence of Fe. Catalytic reforming of PKS pyrolysis vapors over Fe/AC drastically enhanced the generation of phenol and H2, the concentrations of which reached 75.09 area% and 75.12 vol%, respectively. Catalytic pyrolysis of syringol and guaiacol as model compounds showed that Fe/AC catalyst promoted the demethoxylation and deoxygenation reactions to selectively generate phenol which was explained by oxophilic reactivity of the active Fe sites.
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