Hydrodeoxygenation of methyl laurate over the sulfur-free Ni/γ-Al2O3 catalysts
发布时间：2024-12-01
点击次数：
- 影响因子：
- 5.706
- DOI码：
- 10.1016/j.apcata.2018.10.014
- 所属单位：
- 重庆工商大学
- 教研室：
- 材料科学与工程系
- 发表刊物：
- Applied Catalysis A: General
- 项目来源：
- 重庆市科技局
- 关键字：
- Ni/γ-Al2O3 catalysts；Methyl laurate；Catalytic hydrogenation；Hydrodeoxygenation (HDO)
- 摘要：
- A series of sulfur-free Ni/γ-Al2O3 catalysts with different metal Ni loading amount were prepared by impregnation method. The prepared catalysts and corresponding precursors were investigated through XRD, BET, H2-TPD, and H2-TPR analysis methods. The effect of Ni loading on catalytic performance of Ni/γ-Al2O3 catalysts was evaluated by methyl laurate catalytic hydrodeoxygenation (HDO). Results indicate that the catalytic HDO performance of the prepared Ni/γ-Al2O3 catalysts was directly related to hydrogen storage properties, hydrogen desorption properties, dispersion of the active component Ni, and so on. The 10 wt.% Ni/γ-Al2O3 catalyst exhibits the best HDO performance, and the methyl laurate conversion can reach 91.1% when the reaction temperature is 400 °C and pressure is 2 MPa. The HDO products are alkanes, such as C<10, C10, C11, C12 alkane, C12 alcohol, and C12 acid, especially. The main product C11 alkane with one carbon less is formed by decarbonylation/decarboxylation, and selectivity can reach 68.6%. The effects of reaction conditions on HDO reaction of oils were studied, for example, reaction pressure and H2/Oil ratio. The catalyst retains comparable activity upon regeneration through calcinations and H2 reduction.
- 第一作者：
- Shuang Chen
- 合写作者：
- Hongmei Xie,Zhaojie Jiao
- 论文类型：
- 源刊论文
- 通讯作者：
- Guilin Zhang,Xianming Zhang
- 学科门类：
- 工学
- 文献类型：
- Journal Article
- 卷号：
- 569
- 页面范围：
- 35–44
- 是否译文：
- 否
- 发表时间：
- 2019-01-09
- 收录刊物：
- SCI