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dehydrogenation of ethane to ethene

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The use of ZSM-5 instead of conventional γ-Al2O3 as the support for Fe catalysts is critical to achieve high activity and selectivity in the EDH reaction. Bozhao Chu, Hang An, T.A. 2020-11-25T07:13:31-08:00 <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Thumb 156 0 R/Type/Page>> Authors contributing to RSC publications (journal articles, books or book chapters) The nature of alumina support applied had a significant influence on the catalytic performance. endobj The same four metals also show significant CO 2 consumption at the step surface. 49 0 obj endobj If you are the author of this article you still need to obtain permission to reproduce <> do not need to formally request permission to reproduce material contained in this article provided that the correct acknowledgement is given with the reproduced material. The shale gas boom has stimulated tremendous interests in ethylene production using ethane as the feedstock. the whole article in a third party publication with the exception of reproduction Fetching data from CrossRef. Material from this article can be used in other publications Arbortext Advanced Print Publisher 9.1.510/W Unicode ZSM-5 is a better support material for Fe catalyst in EDH reaction than γ-Al2O3. By continuing you agree to the use of cookies. Abstract Oxidative dehydrogenation of ethane (ODE) is limited by the facile deep oxidation and potential safety hazards. endobj You have access to this article Tel: +81 564 55 7287, b application/pdf with the reproduced material. H��W�n�H}�W�Q\D���㬃��c�~K�j��H����h�~�TuS�%���A���ԩSտ_�:��R.s��Jkr����������p�﫿�^���O���͓dj������������_���v{UeuQ9P>M��J���6�+U&�����з��� }z�ޯd��Uf���>��Se3���}��d�:Yu}���d�7��T9�ЇMVS��K�9U+�����X��������̩6��&j��6U&�3��GcX���Y����#n���}^� �b6���G^|��~����Tӊ[�MivaO8�¹�>�&��O�o�% *�+�������>]k���=���C. The iron-based catalysts exhibited the best stability and the highest steady-state activity towards ethylene production under the same reaction conditions, compared with Pt/ZSM-5, PtSn/Al 2 O 3 , and various metal oxide catalysts. Detailed structure characterizations combined with density functional calculations indicate that iron oxides in the as-prepared Fe/ZSM-5 catalysts are reduced to iron metal and then carburized under reaction condition, which accounts for the excellent activity and stability for the EDH reaction. Finally, some avenues for development of catalytic science and technology for ethane conversion are summarized. endobj Dehydrogenation of ethane to ethylene over Ga 2 O 3 /HZSM-5 catalysts in the presence of CO 2 was investigated. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Thumb 99 0 R/Type/Page>> Briefly, platinum-, chromium- and gallium-based catalysts have been introduced mainly for EDH, including effects of carbon dioxide co-feeding. If you are the author of this article you do not need to formally request permission Carburized Fe species on Fe/ZSM-5 are the active sites for EDH reaction. K. Nakagawa, M. Okamura, N. Ikenaga, T. Suzuki, K. Nakagawa, M. Okamura, T. Suzuki, T. Kobayashi and T. Kobayashi, Instructions for using Copyright Clearance Center page. The dehydrogenation of ethane to ethylene in the presence of oxygen and water was conducted using Na 2WO 4/SiO 2 cata-lyst at high temperatures. Metallic Fe species are catalytic active for EDH reaction but not stable. We use cookies to help provide and enhance our service and tailor content and ads. endstream <>stream For oxygen assisted ethane dehydrogenation, Co, Ru, Ni and Rh are calculated to show appreciable activity (>1 s −1). endobj A series of V 2 O 5 /Al 2 O 3 catalysts with fixed V 2 O 5 content (10 wt %) but varying Al 2 O 3 supports were prepared by impregnation technique and tested for the oxidative dehydrogenation of ethane (ODHE) to ethylene in a fixed bed quartz reactor in the temperature range from 500 to 600 °C. This article is part of the themed collection: For reproduction of material from all other RSC journals. 3.0 Unported Licence. Title of Study: HIGH-TEMPERATURE ETHANE DEHYDROGENATION IN MICROPOROUS ZEOLITE MEMBRANE REACTOR: EFFECT OF OPERATING CONDITIONS Major Field: CHEMICAL ENGINEERING Abstract: Ethylene is the largest base chemical for the chemical industry and produced either by cracking or dehydrogenation of light alkanes. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Thumb 149 0 R/Type/Page>> is available on our Permission Requests page. <> Moderately elevated ethane pressure (>400 psi) is required to improve yield and avoid the side-reactions of A with the … Applied Catalysis A: General 2016, 510, 84-97. We have demonstrated that iron supported on ZSM-5 zeolite is an efficient catalyst system for the non-oxidative dehydrogenation reaction of ethane to ethylene. of the whole article in a thesis or dissertation. 71 0 obj Gallium oxide is found to be an effective catalyst for the dehydrogenation of ethane to ethene in the presence of carbon dioxide at 650 °C, giving 18.6% ethene yield with a selectivity of 94.5%. The increasing demand for ethylene has stimulated substantial … 3.0 Unported Licence. E-mail: Fetching data from CrossRef. and it is not used for commercial purposes. dehydrogenation of ethane to ethene can be achieved by A at room temperature with good yield. endobj Catalytic conversion to ethylene and aromatic hydrocarbons through non-oxidative dehydrogenation and dehydroaromatization of ethane (EDH and EDA) are potentially beneficial technologies because of their high selectivity to products. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/Thumb 150 0 R/Type/Page>> Herein, we demonstrate that iron supported on ZSM-5 zeolite (Fe/ZSM-5) is a highly efficient catalyst for the EDH reaction. Go to our hsaito@ims.ac.jp, hikaru.3110.saito@gmail.com 130 0 obj Corresponding authors, a 2018-08-02T02:38:39+05:30 Fluid catalytic cracking only produces ethene in minor concentrations. Under comparable conditions, Fe/ZSM-5 exhibits superior activity and stability over various metal (Pt) or metal oxide catalysts (Zn, Ga, Cr, Mo) supported on ZSM-5. Acrobat Distiller 10.0.0 (Windows) If you are not the author of this article and you wish to reproduce material from to access the full features of the site or access our. 74 0 obj A self-redox pure-phase M1 MoVNbTeO x /CeO 2 nanocomposite as a highly active catalyst for oxidative dehydrogenation … Please enable JavaScript 122 0 obj Thermal catalysis of ethane to ethylene, mainly oxidative dehydrogenation, faces the fundamental challenge of low conversion, low selectivity, and catalyst coking. Department of Materials Molecular Science, Institute for Molecular Science, 38 Nishigo-Naka, Myodaiji, Okazaki, Aichi 444-8585, Japan Efforts to use EDA have emphasized zinc-modified MFI zeolite catalysts. uuid:102e9650-1dd2-11b2-0a00-e00927bd7700 contained in this article in third party publications Download : Download high-res image (153KB)Download : Download full-size image. 36 0 obj to access the full features of the site or access our, Department of Materials Molecular Science, Institute for Molecular Science, 38 Nishigo-Naka, Myodaiji, Okazaki, Aichi 444-8585, Japan, Department of Applied Chemistry, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan, Creative Commons Attribution-NonCommercial The breakthroughs in catalyst design play a key role in the successful development of this process. The former represents an attractive alternative to conventional thermal cracking of ethane. <> These authors contributed equally to this work. Catalytic non-oxidative ethane dehydrogenation (EDH) to ethylene represents a viable strategy to improve the process energy efficiency and to minimize the environmental impact. For reproduction of material from all other RSC journals and books: For reproduction of material from all other RSC journals.

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