Superior performance of freeze-dried Ni/ZnO-Al₂O₃ adsorbent in the ultra-deep desulfurization of high sulfur model gasoline

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• 作者：Rooh Ullah^a ; Peng Bai^a ; ^{baipeng@upc.edu.cn} ; Pingping Wu^a ; U.J. Etim^a ; Zhanquan Zhang^b ; Dezhi Han^c ; Fazle Subhan^a ; ^d ; Saif Ullah^e ; Mark J. Rood^f ; Zifeng Yan^a ; ^{Zfyancat@upc.edu.cn}
• 关键词：Reactive adsorption desulfurization ; NiO ; ZnO ; Mixed oxide ; Thiophene ; Freeze drying
• 刊名：Fuel Processing Technology
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：156
• 期：Complete
• 页码：505-514
• 全文大小：1873 K
• 卷排序：156

文摘

ZnO-Al2O3 mixed oxides were synthesized using a freeze drying modified cation-anion double hydrolysis method Freeze dried adsorbents exhibited a superior performance in reactive adsorption desulfurization A large amount of small sized ZnO gives rise to a large sulfur capacity The absence of the inactive NiAl2O4 phase in the adsorbents allows the fast cleavage of C-S bond in thiophene High surface area and large pore volume facilitate the mass transfer of reactants and accommodate more sulfur