DICP OpenIR
Catalytic function of boron to creating interconnected mesoporosity in microporous Y zeolites and its high performance in hydrocarbon cracking
Mi, Shuo1,2; Wei, Tao1,2; Sun, Jianxue1,2; Liu, Peng1,2; Li, Xiaohui1,2; Zheng, Qingqing1,2; Gong, Ke3; Liu, Xianchun3; Gao, Xionghou4; Wang, Baojie4; Zhao, Hongjuan4; Liu, Honghai4; Shen, Baojian1,2
KeywordZeolite y Mesopore Boron Interconnectivity Catalytic Cracking
Source PublicationJOURNAL OF CATALYSIS
2017-03-01
ISSN0021-9517
DOI10.1016/j.jcat.2017.01.017
Volume347Pages:116-126
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordZSM-5 ZEOLITES ; SINGLE-CRYSTALS ; MFI ZEOLITES ; USY ZEOLITE ; ACID ; DESILICATION ; DEALUMINATION ; NMR ; GENERATION ; BETA
AbstractConnectivity of mesopores in zeolites, which is a key factor for the high efficiency catalyst design, is still a challenge to be generated without using organic template. Herein, a hierarchical porous Y zeolite (USYB) was synthesized by introducing catalytic amounts of boron into the framework of NaY, followed by steaming. The introduction of framework boron promoted the hydrolysis of the surrounding Si-O-Al and Si-O-B bonds in steaming treatment. When the boron was dislocated from framework, it could further create more mesopores by steaming. It was deemed that boron played catalytic like role for leading to generate well interconnected mesoporosity. As a result, the mesopore volume of the zeolite increased by 46% relatively. The influence of the generated interconnected mesoporosity on the higher activity was evidenced in both iso-octane (i.e. 2,2,4-trimethylpentane) and 1,3,5-triisopropylbenzene (TIPB) cracking over USYB zeolite. Compared with conventional USY zeolite, there would be 2.1% increase in the yield of gasoline for the cracking of heavy oil over USYB catalyst. (C) 2017 Elsevier Inc. All rights reserved.
Language英语
WOS IDWOS:000396958000012
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/169379
Collection中国科学院大连化学物理研究所
Corresponding AuthorShen, Baojian
Affiliation1.CNPC, Key Lab Catalysis, State Key Lab Heavy Oil Proc, 18 Fuxue Rd, Beijing 102249, Peoples R China
2.China Univ Petr, Coll Chem Engn, 18 Fuxue Rd, Beijing 102249, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China
4.PetroChina Co Ltd, Petrochem Res Inst, Lanzhou Petrochem Res Ctr, Lanzhou 730060, Peoples R China
Recommended Citation
GB/T 7714
Mi, Shuo,Wei, Tao,Sun, Jianxue,et al. Catalytic function of boron to creating interconnected mesoporosity in microporous Y zeolites and its high performance in hydrocarbon cracking[J]. JOURNAL OF CATALYSIS,2017,347:116-126.
APA Mi, Shuo.,Wei, Tao.,Sun, Jianxue.,Liu, Peng.,Li, Xiaohui.,...&Shen, Baojian.(2017).Catalytic function of boron to creating interconnected mesoporosity in microporous Y zeolites and its high performance in hydrocarbon cracking.JOURNAL OF CATALYSIS,347,116-126.
MLA Mi, Shuo,et al."Catalytic function of boron to creating interconnected mesoporosity in microporous Y zeolites and its high performance in hydrocarbon cracking".JOURNAL OF CATALYSIS 347(2017):116-126.
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