dehydrogenation of propane

Published by on November 13, 2020

Tunisia H��WMs��_��*R ~]��sIR묎��$y{%y��3��|ҳ�U^��3ݟOW��_N��{�|��)vaX'�_��^�܄.v7?��.�k7M��0w)!NKw�x�&��w7�ϲ�G~ �d�Qv��)�� R��Y�e]�n�_��}z��~��? Typically, a stable propane conversion of 37% and a propylene selectivity of 75% could be simultaneously achieved on 0.5Pt–5Sn/Si-beta at a reaction temperature of 773 K. Temperature … Find webinars, industry briefings, conferences, training and user groups. Fetching data from CrossRef. Korea, North The final edited and typeset version of record will appear in the future. Sorry, we encountered a problem, your message was not sent, Search a product Historically, catalyst design breakthroughs have made major contributions to the development of commercial PDH process technologies. Chile Qatar Authors contributing to RSC publications (journal articles, books or book chapters) Finance Monaco 0000363507 00000 n 0000182078 00000 n Review the recordings of past online events. Niue Libya Lithuania Philippines 0000364480 00000 n Cement Production Pakistan Azerbaijan Hydrogenolysis and dehydrogenation of propane were studied over model nickel–gold catalysts. Hungary Manufacturing Malawi Make your requests on this page. Nigeria Western Sahara propane to the lower hydrocarbons. 0000002456 00000 n Russia Slovenia Comoros Non-oxidative dehydrogenation of propane (PDH) is a one of ways to makeup the supply and solve the issue.xiiiAccording to the current research and industrial work, platinum (Pt) shows promisingperformance for the PDH. Papua New Guinea United Kingdom Learn about our remote access options, Xiangtan University, Department of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan province, China, 411105 Xiangtan City, CHINA, Xiangtan University, School of Chemical Engineering, CHINA. z��^a��W�+�� 0000328248 00000 n Cape Verde Typically, a stable propane conversion of 37% and a propylene selectivity of 75% could be simultaneously achieved on 0.5Pt–5Sn/Si-beta at a reaction temperature of 773 K. Temperature-programmed desorption experiments revealed that the propane adsorption significantly strengthened while the propylene adsorption weakened on the bimetallic Pt–Sn/Si-beta catalyst, which accordingly resulted in its remarkable performance in ODHP reaction. 0000384947 00000 n Selective C–H or C–C bond cleaving is investigated to gain a better understanding of the catalyst site requirements for propane dehydrogenation. Airport - BHS Mali Georgia Burma Such materials are peer reviewed and may be re‐organized for online delivery, but are not copy‐edited or typeset. Dominican Republic Mayotte The periodic calculations demonstrate that the dispersion corrections increase the adsorption/desorption energies from 70 to 107 kJ/mol for propane and from 177 to 233 kJ/mol for propene and decrease the activation energy for H-dissociation from 73 to 61 kJ/mol, while the activation energy for the heterolytic dehydrogenation is almost unaffected with 132 kJ/mol. Unsubscribe with a single click on a link in the message received. Belarus Norfolk Island The single feed/single product feature is one of the most attractive aspects of propane Furthermore, the microwave catalyst does not show visible change after tested for 180 min. New Zealand Vietnam Broaden your knowledge by attending IHS Markit events that feature our subject-matter experts. Samoa 0000339946 00000 n Importantly, the apparent activation energy of Co‐Sn/NC catalyst drop from 59.58 kJ/mol in the conventional reaction mode to 20.98kJ/mol in microwave catalytic reaction mode, which suggests a significant microwave direct catalytic effect. endstream endobj 87 0 obj <> endobj 88 0 obj <> endobj 89 0 obj <> endobj 90 0 obj <>stream This concept is only valid for reactions that are limited by the thermodynamic equilibrium, such as the direct dehydrogenation of propane to propene. E-mail: Macedonia République Switzerland In a propane dehydrogenation (PDH) process, propane is selectively dehydrogenated to propylene. For reproduction of material from all other RSC journals and books: For reproduction of material from all other RSC journals. 149 0 obj <>stream Montenegro 0000373323 00000 n Suriname Lesotho Svalbard China, Key Laboratory of Advanced Energy Materials Chemistry of Ministry of Education, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin, P.R. Chinese Taipei The C 3 H 8 conversion is 15% and the C 3 H 6 selectivity is 75% at 450 °C. https://doi.org/10.1016/j.jcat.2010.10.018. 0000372490 00000 n Canada In 2008, the worldwide sales of propylene reached a value of over 90 billion US dollars. Congo, Republic of the Petrochemical Plant Join a global business leader that is dedicated to helping businesses make the right decisions. If you are the author of this article you still need to obtain permission to reproduce The as-prepared bimetallic Pt–Sn/Si-beta catalyst exhibited remarkable performance in the oxidative dehydrogenation of propane (ODHP), in great contrast to monometallic Pt/Si-beta and Sn/Si-beta. The dehydrogenation of propane over Zn2+-exchanged mordenite has been studied theoretically using ab initio density-functional calculations at different levels of theory. 0000365932 00000 n The energy barriers for the dehydrogenation of propane to form propylene are calculated to be in the region of 0.65–0.75 eV and 0.25–0.35 eV on flat and stepped surfaces, respectively. Consulting If you do not receive an email within 10 minutes, your email address may not be registered, 0000075083 00000 n Any queries (other than missing content) should be directed to the corresponding author for the article. Copyright © 2010 Elsevier Inc. All rights reserved. Benin Timor-Leste All Rights Reserved, Get ahead of Interbank Offered Rate (IBOR) benchmark reform, California Do Not Sell My Personal Information. Antarctica Ok, Propane dehydrogenation (PDH) is a process step in the production of propylene from propane. 0000181556 00000 n Despite its simple chemistry, industrial implementation of PDH is very complicated owing to side reactions such as deep dehydrogenation, hydrogenolysis, cracking, polymerization, and coke formation. France Martinique To help listeners stay abreast of changes, new developments and trends in their industry, IHS Markit experts and analysts have contributed to podcasts on timely and thought-provoking topics. and you may need to create a new Wiley Online Library account. Civil Work and Bulding The data collected are required for this processing and are retained, unless you object, for a period of 6 months from the last contact between you and FIVES. 0000182332 00000 n Burkina Faso Yemen Morocco Mexico Bhutan Kiribati As a data processor, FIVES implements personal data processing when managing your contact request. Infrared reflection absorption spectroscopic data showed that isolated Ni sites appeared and became dominant on the surface with the addition of Au to Ni. Mrs Propane dehydrogenation (PDH) is a process step in the production of propylene from propane. 0000389824 00000 n to access the full features of the site or access our. with the reproduced material. Falkland Islands (Islas Malvinas) Poland Aluminum Production 0000314103 00000 n A team of design engineers specialized in thermal and mechanical stresses have developed specific simulation tools to accompany customers in their projects. Reunion Our Customer Experience surveys help us deliver the necessary and effective services you demand. Central African Republic 0000365578 00000 n Burundi xref Despatch of these emails is managed by a FIVES partner located in the United States, an active member of Privacy Shield. Textile. 0000393699 00000 n We use cookies to help provide and enhance our service and tailor content and ads. The as-prepared bimetallic Pt–Sn/Si-beta catalyst exhibited remarkable performance in the oxidative dehydrogenation of propane (ODHP), in great contrast to monometallic Pt/Si-beta and Sn/Si-beta. 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