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Advances in the Development of Methane Bromination

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dc.contributor.author HAROON UR RASHID
dc.contributor.author KAICHAO YU
dc.contributor.author JINLAN ZHOU
dc.date.accessioned 2023-10-06T04:28:58Z
dc.date.available 2023-10-06T04:28:58Z
dc.date.issued 2011-12-20
dc.identifier.citation Rashid, H. U., Yu, K., & Zhou, J. (2011). Advances in the Development of Methane Bromination. Journal of the Chemical Society of Pakistan, 33(6), 922-928. en_US
dc.identifier.issn 0253-5106
dc.identifier.uri http://142.54.178.187:9060/xmlui/handle/123456789/19800
dc.description.abstract The bromination reactions of Methane were studied and majority of the work done so far was outlined, as these reactions have gained immense importance for years in the industrial sector. Thermodynamically, Bromine (Br) is the most suitable species for halogenation of methane. Bromination of methane proceeds via a radical chain mechanism which involves radical intermediates. The mechanism consists of three key steps i.e. Initiation, propagation and termination. It results in the formation of methyl bromide and hydrogen bromide. Hydrogen bromide has been found to inhibit the bromination of methane. However, it has no influence on the bromination of methyl bromide. Bromination of methane can occur both thermally as well as photochemically, following the same free radical chain mechanism. It is a gently exothermic reaction. Studies of the transition state showed that the symmetry for such reaction is of C₃v type. Monobromination reaction is hard to control. Supported Lewis acid halides-oxyhalides were found to be suitable as catalysts for monobromination of methane. Catalytic bromination gave more than 90 %.conversions with selectivity in methyl bromide. Oxidative bromination of methane occurs when FePO₄/SiO₂ or BaO/SiO₂ are used as catalyst. en_US
dc.description.sponsorship The chemical society of Pakistan is an approved society from the PSF. en_US
dc.language.iso en en_US
dc.publisher HEJ Research Institute of Chemistry, University of Karachi, Karachi. en_US
dc.title Advances in the Development of Methane Bromination en_US
dc.type Article en_US


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