Design and preparation of efficient hydroisomerization catalysts by the formation of stable SAPO-11 molecular sieve nanosheets with 10–20 nm thickness and partially blocked acidic sites
Chemical Communications2017Vol. 53(36), pp. 4942–4945
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Fen Zhang, Yan Liu, Qi Sun, Zhifeng Dai, Hermann Gies, Qinming Wu, Shuxiang Pan, Chaoqun Bian, Zhijian Tian, Xiangju Meng, Yi Zhang, Xiaodong Zou, Xianfeng Yi, Anmin Zheng, Liang Wang, Feng‐Shou Xiao
Abstract
SAPO-11 nanosheets with partially filled micropores (N-SAPO-11) and a thickness of 10-20 nm were synthesized using polyhexamethylene biguanide hydrochloride (PHMB) as a mesoporogen and di-n-propylamine (DPA) as a microporous template. After Pt loading (0.5 wt%), the Pt/N-SAPO-11 catalyst exhibits higher selectivity for the isomers and lower selectivity for cracking products than conventional Pt/SAPO-11 catalysts in the hydroisomerization of n-dodecane.
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