Steady-state conversion of methane to C4+ aliphatic products in high yields using an integrated recycle reactor system
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abstract
Conversion of methane in high yields to C4+ nonaromatic hydrocarbons was demonstrated in a recycle system. The principal components of the recycle system included an oxidative coupling reactor with a Mn/Na2WO4/SiO2 catalyst at 800 C for conversion of methane to ethylene, and a reactor with an H-ZSM-5 zeolite at 275 C for subsequent conversion of ethylene to higher hydrocarbons. Total yields of C4+ products were in the range of 60-80%, and yields of C4+ nonaromatic hydrocarbons were in the range of 50-60%. 2000 Kluwer Academic Publishers.