Role of particle size of mesoporous zeolite y on its catalytic cracking behaviors in 1,3,5-triisopropylbenzene

School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China; J. Zhao; L. Q. Yang; School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China; L. Yu; School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China; X. M. Zhao; College of Environmental Engineering, North China Institute of Science and Technology, Lang Fang 065201, China; Y. C. Hao; School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China; Z. J. Zhao; School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China

doi:10.15251/djnb.2021.162.527

journal article·2021Open access

Role of particle size of mesoporous zeolite y on its catalytic cracking behaviors in 1,3,5-triisopropylbenzene

School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China, J. Zhao, L. Q. Yang, School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China, L. Yu, School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China, X. M. Zhao, College of Environmental Engineering, North China Institute of Science and Technology, Lang Fang 065201, China, Y. C. Hao, School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China, Z. J. Zhao, School of Chemistry and Chemical Engineering, Xingtai University, No. 88 Quanbei East Street, Qiaodong District, Xingtai 054001, China

Digest Journal of Nanomaterials and Biostructures· Volume 16· Issue 2

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Source abstract

Abstract

Different-sized mesoporous zeolites Y were synthesized using two step chemical post treatment. The catalysts were prepared and characterized by XRD, SEM, TEM, N2 adsorption-desorption, and NH3-TPD. The results revealed that catalyst prepared from SMZY having average particle sizes of 200-300 nm， had a large mesopore volume (0.428 cm3 g −1 ) and higher hierarchy factor (0.149), with a slightly drop of acidic sites amount. These catalysts were evaluated by catalytic cracking performance of TIPB. Higher mesoporousity structure of S-MCY promoted the addition of TIPB conversion (2.49 %) and yield of DIPB (6.33 %). Meanwhile, less acid sites reduced the deep cracking of DIPB, leding to a decreasion of cumene. Then, it can be concluded that the small crystal size has a profound effect on the catalytic performance of mesoporous zeolite.

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Research context

Catalysis & surfaces

OpenAlex topics: Zeolite Catalysis and Synthesis · Mesoporous Materials and Catalysis · Catalytic Processes in Materials Science

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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