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- W64640818 abstract "The conversion of methane to higher hydrocarbons using magnesia based catalysts occurs at commercially viable selectivities only over 750°C. The reaction has an adiabatic temperature rise of 1250°C at 25% methane conversion. These factors make construction and operation of conventional fixed bed reactors difficult and expensive. One solution is to use a thin bed of catalyst placed in a heat conductive catalyst holder. The catalyst and holder are mounted in an adiabatic pressure vessel and are heated to 650°C. The heaters are turned to adiabatic mode and the gas feed is introduced at about 170°C. A steady state catalyst bed temperature of about 850°C is reached in a few minutes. The gas feed is continuously preheated upstream of the reaction zone by heat conducted axially from the reaction zone, through the catalyst holder in a direction opposite to that of the gas flow. The incoming gas feed cools the catalyst holder and bed, preventing excessively high temperatures. There are no gas tight seals except at the cool outer shell of the reactor. C2+ selectivities of 70 wt% have been achcived at 30 psig and 25% methane conversion." @default.
- W64640818 created "2016-06-24" @default.
- W64640818 creator A5010531085 @default.
- W64640818 date "1991-01-01" @default.
- W64640818 modified "2023-09-25" @default.
- W64640818 title "Thin Bed Reactor for Conversion of Methane to Higher Hydrocarbons" @default.
- W64640818 doi "https://doi.org/10.1016/s0167-2991(08)60116-0" @default.
- W64640818 hasPublicationYear "1991" @default.
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