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Li D, Shen J, Zhang J, Chai Y, Xie Y, Qiu C, Ni M, Zheng Y, Wang X, Zhang Z. Photocatalytic Chlorination of Methane Using Alkali Chloride Solution. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Dongmiao Li
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Jinni Shen
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Jiangjie Zhang
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Yao Chai
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Yanyu Xie
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Chengwei Qiu
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Mengmeng Ni
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Yuanhui Zheng
- College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Xuxu Wang
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
| | - Zizhong Zhang
- State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, People’s Republic of China
- Qingyuan Innovation Laboratory, Fuzhou University, Quanzhou 362801, People’s Republic of China
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Kim Y, Woo Y, Park H, Kim Y, Chae HJ, Park MJ. Kinetic Modeling of Direct Methane Chlorination in Both Free-Radical and Catalytic Reactions. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c04009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yeojin Kim
- Department of Chemical Engineering, Ajou University, Suwon 16499, Republic of Korea
| | - Yesol Woo
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
| | - Hyeon Park
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
| | - Youngmin Kim
- Carbon Resources Institute, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Ho-Jeong Chae
- Carbon Resources Institute, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Myung-June Park
- Department of Chemical Engineering, Ajou University, Suwon 16499, Republic of Korea
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
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Abstract
Chloromethanes are a group of volatile organic compounds that are harmful to the environment and human health. Abundant studies have verified that hydrodechlorination might be an effective treatment to remove these chlorinated pollutants. The most outstanding advantages of this technique are the moderate operating conditions used and the possibility of obtaining less hazardous valuable products. This review presents a global analysis of experimental and theoretical studies regarding the hydrodechlorination of chloromethanes. The catalysts used and their synthesis methods are summarized. Their physicochemical properties are analyzed in order to deeply understand their influence on the catalytic performance. Moreover, the main causes of the catalyst deactivation are explained, and prevention and regeneration methods are suggested. The reaction systems used and the effect of the operating conditions on the catalytic activity are also analyzed. Besides, the mechanisms and kinetics of the process at the atomic level are reviewed. Finally, a new perspective for the upgrading of chloromethanes, via hydrodechlorination, to valuable hydrocarbons for industry, such as light olefins, is discussed.
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Kolesnichenko NV, Ezhova NN, Snatenkova YM. Lower olefins from methane: recent advances. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4900] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Modern methods for methane conversion to lower olefins having from 2 to 4 carbon atoms per molecule are generalized. Multistage processing of methane into ethylene and propylene via syngas or methyl chloride and methods for direct conversion of CH4 to ethylene are described. Direct conversion of syngas to olefins as well as indirect routes of the process via methanol or dimethyl ether are considered. Particular attention is paid to innovative methods of olefin synthesis. Recent achievements in the design of catalysts and development of new techniques for efficient implementation of oxidative coupling of methane and methanol conversion to olefins are analyzed and systematized. Advances in commercializing these processes are pointed out. Novel catalysts for Fischer – Tropsch synthesis of lower olefins from syngas and for innovative technique using oxide – zeolite hybrid catalytic systems are described. The promise of a new route to lower olefins by methane conversion via dimethyl ether is shown. Prospects for the synthesis of lower olefins via methyl chloride and using non-oxidative coupling of methane are discussed. The most efficient processes used for processing of methane to lower olefins are compared on the basis of degree of conversion of carbonaceous feed, possibility to integrate with available full-scale production, number of reaction stages and thermal load distribution.
The bibliography includes 346 references.
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Valecillos J, Manzano H, Aguayo AT, Bilbao J, Castaño P. Kinetic and Deactivation Differences Among Methanol, Dimethyl Ether and Chloromethane as Stock for Hydrocarbons. ChemCatChem 2019. [DOI: 10.1002/cctc.201901204] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- José Valecillos
- Department of Chemical EngineeringUniversity of the Basque Country (UPV/EHU) P.O. Box 644 Bilbao 48080 Spain
| | - Hegoi Manzano
- Department of Condensed Matter PhysicsUniversity of the Basque Country (UPV/EHU) P.O. Box 644 Bilbao 48080 Spain
| | - Andrés T. Aguayo
- Department of Chemical EngineeringUniversity of the Basque Country (UPV/EHU) P.O. Box 644 Bilbao 48080 Spain
| | - Javier Bilbao
- Department of Chemical EngineeringUniversity of the Basque Country (UPV/EHU) P.O. Box 644 Bilbao 48080 Spain
| | - Pedro Castaño
- Department of Chemical EngineeringUniversity of the Basque Country (UPV/EHU) P.O. Box 644 Bilbao 48080 Spain
- Multiscale Reaction Engineering KAUST Catalysis Center (KCC)King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
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