Direct, Nonoxidative Conversion of Methane to Ethylene, Aromatics, and Hydrogen-Reference-Cited by-同舟云学术

Direct, Nonoxidative Conversion of Methane to Ethylene, Aromatics, and Hydrogen

Published:2014-05-09 Issue:6184 Volume:344 Page:616-619
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Guo Xiaoguang¹,Fang Guangzong¹,Li Gang²³,Ma Hao¹,Fan Hongjun²,Yu Liang¹,Ma Chao⁴,Wu Xing⁵,Deng Dehui¹,Wei Mingming¹,Tan Dali¹,Si Rui⁶,Zhang Shuo⁶,Li Jianqi⁴,Sun Litao⁵,Tang Zichao²,Pan Xiulian¹,Bao Xinhe¹

Affiliation:

1. State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China.

2. State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China.

3. State Key Laboratory of Fine Chemicals, Institute of Coal Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116012, People’s Republic of China.

4. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China.

5. Nano-Pico Center, Key Laboratory of Micro-Electro-Mechanical System (MEMS) of Ministry of Education, Southeast University, Nanjing 210096, People’s Republic of China.

6. Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, People’s Republic of China.

Abstract

Upgrading Methane Sans Oxygen Direct routes to converting methane to higher hydrocarbons can allow natural gas to be used to provide chemical feedstocks. However, the reaction conditions needed to activate the strong C-H bond tend to overoxidize the products. Guo et al. (p. 616 ) report a high-temperature nonoxidative route that exposes methane to isolated iron sites on a silica catalyst. Methyl radicals were generated and coupled in the gas phase to form ethylene and aromatics along with hydrogen. The isolation of the active sites avoided surface reactions between the radicals that would deposit solid carbon.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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