Abstract
Methane-to-syngas (i.e.CO and H2) conversion reactions involving exothermic oxidative conversion of methane and endothermic steam reforming of methane have been carried simultaneously NiO-CaO (Ni/Ca = 3.0) catalyst at different temperatures (700–850°C), CH4/02 (1.8 – 6.0) and CH4/H2O (1.6–10.0) ratios and space velocities (16 x 103 — 1090 x 103h-). By the coupling of the exothermic and endothermic reactions, it is possible to make, the CM0CSR (coupled methane oxidative conversion and steam reforming) process mildly endothermic, near thermoneutral or mildly exothermic by manipulating the process conditions (viz. temperature and feed ratios) and also to operate the process in a most energy efficient and safe manner, with requirement of little or no external energy. Under the present energy crisis, the conversion of methane to syngas (with H2/CO ratio close to 2.0 which is desirable for methanol and Fischer-Tropsch synthesis) with high conversion, selectivity and productivity in a most energy efficient and safe manner with requirement of little or no external energy is of great practical importance for the effective utilization of natural gas by its conversion to value added and/or easily transportable products via syngas routes.
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Choudhary, V.R., Rajput, A.M., Prabhakar, B. (1995). Coupling of Catalytic Partial Oxidation and Steam Reforming of Methane to Syngas. In: Bhasin, M.M., Slocum, D.W. (eds) Methane and Alkane Conversion Chemistry. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1807-5_33
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DOI: https://doi.org/10.1007/978-1-4615-1807-5_33
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