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Efficient hydrodesulfurization of dibenzothiophene over core–shell Ni/Al2O3@SOD and Mo/Al2O3 composite catalysts
Inorganic Chemistry Frontiers ( IF 7 ) Pub Date : 2022-05-24 , DOI: 10.1039/d2qi00667g Kun Sun , Ge Yang , Jiaxin Han , Yongming Chai , Yanpeng Li , Chunzheng Wang , Svetlana Mintova , Chenguang Liu , Hailing Guo
Inorganic Chemistry Frontiers ( IF 7 ) Pub Date : 2022-05-24 , DOI: 10.1039/d2qi00667g Kun Sun , Ge Yang , Jiaxin Han , Yongming Chai , Yanpeng Li , Chunzheng Wang , Svetlana Mintova , Chenguang Liu , Hailing Guo
One composite catalyst, consisting of sulfur-tolerant Ni/Al2O3@SOD and MoS2/Al2O3, was developed for the hydrodesulfurization of dibenzothiophene. The sulfur-resistant Ni/Al2O3@SOD core–shell catalyst was prepared by coating a Ni/Al2O3 core with a sodalite (SOD) shell via the gel hydrothermal method. The SOD shell (d = 0.3 nm) can block the entry of the smallest sulfur-containing molecules (hydrogensulfide d = 0.36 nm) while allowing hydrogen molecules (d = 0.29 nm) to diffuse to produce hydrogen spillover. With the excellent hydrogen spillover effect of the well-protected Ni, the composite catalyst (core–shell Ni/Al2O3@SOD–MoS2/Al2O3) showed high catalytic activity and selectivity of the direct desulfurization pathway in the hydrodesulfurization (HDS) of dibenzothiophene. Compared with the composite catalysts (Pt/Al2O3@SOD–MoS2/Al2O3) using noble metal Pt, the transition metal Ni composite catalyst exhibited broad hydrodesulfurization application prospects.
中文翻译:
二苯并噻吩在核壳 Ni/Al2O3@SOD 和 Mo/Al2O3 复合催化剂上的高效加氢脱硫
开发了一种由耐硫 Ni/Al 2 O 3 @SOD 和 MoS 2 /Al 2 O 3组成的复合催化剂,用于二苯并噻吩的加氢脱硫。耐硫 Ni/Al 2 O 3 @SOD 核壳催化剂是通过凝胶水热法用方钠石 (SOD) 壳包覆 Ni/Al 2 O 3核制备的。SOD 壳层(d = 0.3 nm)可以阻挡最小的含硫分子(硫化氢d = 0.36 nm)的进入,同时允许氢分子(d= 0.29 nm)扩散以产生氢溢出。复合催化剂(核-壳Ni/Al 2 O 3 @SOD-MoS 2 /Al 2 O 3)具有良好的氢外溢效应,在直接脱硫过程中表现出较高的催化活性和选择性。二苯并噻吩的加氢脱硫(HDS)。与使用贵金属Pt的复合催化剂(Pt/Al 2 O 3 @SOD-MoS 2 /Al 2 O 3)相比,过渡金属Ni复合催化剂具有广阔的加氢脱硫应用前景。
更新日期:2022-05-24
中文翻译:
二苯并噻吩在核壳 Ni/Al2O3@SOD 和 Mo/Al2O3 复合催化剂上的高效加氢脱硫
开发了一种由耐硫 Ni/Al 2 O 3 @SOD 和 MoS 2 /Al 2 O 3组成的复合催化剂,用于二苯并噻吩的加氢脱硫。耐硫 Ni/Al 2 O 3 @SOD 核壳催化剂是通过凝胶水热法用方钠石 (SOD) 壳包覆 Ni/Al 2 O 3核制备的。SOD 壳层(d = 0.3 nm)可以阻挡最小的含硫分子(硫化氢d = 0.36 nm)的进入,同时允许氢分子(d= 0.29 nm)扩散以产生氢溢出。复合催化剂(核-壳Ni/Al 2 O 3 @SOD-MoS 2 /Al 2 O 3)具有良好的氢外溢效应,在直接脱硫过程中表现出较高的催化活性和选择性。二苯并噻吩的加氢脱硫(HDS)。与使用贵金属Pt的复合催化剂(Pt/Al 2 O 3 @SOD-MoS 2 /Al 2 O 3)相比,过渡金属Ni复合催化剂具有广阔的加氢脱硫应用前景。