Open Access

Study of oxidative coupling of methane integrated with co oxidation


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In this work, the process of OCM carried out over Mn-Na2WO4/SiO2 integrated with selective oxidation over Ag/support was investigated. the effect of feed gas composition and OCM bed temperature as well as the position of Ag/support bed and additional oxygen injection before this bed were investigated. At optimal OCM conditions for the Mn-Na2WO4/SiO2 catalyst (CH4/O2 = 3.75; Vtot = 77 cm3/min; T = 780°C), the injection of additional 4 cm3/min of oxygen into the bed of Ag/support (working at 250–300°C) leads to a preferential oxidation of CO to CO2.