Alkylation of isobutane by 1-butene over H-beta zeolite in CSTR (Part 3) effect of property of h-beta zeolite

Yuki Kato; Shinya Fujioka; Keita Nakabayashi; Yo Suke Ichikawa; Eiichi Kikuchi; Yasushi Sekine

doi:10.1627/jpi.56.349

Alkylation of isobutane by 1-butene over H-beta zeolite in CSTR (Part 3) effect of property of h-beta zeolite

Yuki Kato, Shinya Fujioka, Keita Nakabayashi, Yo Suke Ichikawa, Eiichi Kikuchi, Yasushi Sekine

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

H-beta (^*BEA) zeolite catalyst has high activity/stability for the alkylation of isobutane with 1-butene in a CSTR, based on the catalytic nature of H-^*BEA. Various preparation methods for H- ^*BEA were investigated to optimize the catalytic activity for alkylation, including Si/Al ratio, H⁺/Na⁺ ion exchange rate, and grain size of zeolite. The relationship between Brønsted acid amount and butene consumption over the catalyst lifetime showed a positive correlation. H-^*BEA zeolite with larger grain size and prepared with longer crystallization time achieved higher alkylate yield based on the higher hydride transfer activity.

Original language	English
Pages (from-to)	349-355
Number of pages	7
Journal	Journal of The Japan Petroleum Institute
Volume	56
Issue number	5
DOIs	https://doi.org/10.1627/jpi.56.349
Publication status	Published - 2013 Dec 3

Keywords

Beta zeolite
Brønsted acid amount
Continuously stirred tank reactor
Deactivation
Grain size
Isobutane alkylation

ASJC Scopus subject areas

Fuel Technology
Energy Engineering and Power Technology

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title = "Alkylation of isobutane by 1-butene over H-beta zeolite in CSTR (Part 3) effect of property of h-beta zeolite",

abstract = "H-beta (*BEA) zeolite catalyst has high activity/stability for the alkylation of isobutane with 1-butene in a CSTR, based on the catalytic nature of H-*BEA. Various preparation methods for H- *BEA were investigated to optimize the catalytic activity for alkylation, including Si/Al ratio, H+/Na+ ion exchange rate, and grain size of zeolite. The relationship between Br{\o}nsted acid amount and butene consumption over the catalyst lifetime showed a positive correlation. H-*BEA zeolite with larger grain size and prepared with longer crystallization time achieved higher alkylate yield based on the higher hydride transfer activity.",

keywords = "Beta zeolite, Br{\o}nsted acid amount, Continuously stirred tank reactor, Deactivation, Grain size, Isobutane alkylation",

author = "Yuki Kato and Shinya Fujioka and Keita Nakabayashi and Ichikawa, {Yo Suke} and Eiichi Kikuchi and Yasushi Sekine",

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AU - Kato, Yuki

AU - Fujioka, Shinya

AU - Nakabayashi, Keita

AU - Ichikawa, Yo Suke

AU - Kikuchi, Eiichi

AU - Sekine, Yasushi

PY - 2013/12/3

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AB - H-beta (*BEA) zeolite catalyst has high activity/stability for the alkylation of isobutane with 1-butene in a CSTR, based on the catalytic nature of H-*BEA. Various preparation methods for H- *BEA were investigated to optimize the catalytic activity for alkylation, including Si/Al ratio, H+/Na+ ion exchange rate, and grain size of zeolite. The relationship between Brønsted acid amount and butene consumption over the catalyst lifetime showed a positive correlation. H-*BEA zeolite with larger grain size and prepared with longer crystallization time achieved higher alkylate yield based on the higher hydride transfer activity.

KW - Beta zeolite

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