![]() ![]() ![]() Sardesai, “Liquid Phase Methanol and Dimethyl Ether Synthesis from Syngas”, Topics of Catalysis, Vol. Kulik, “A Novel Single-Step Dimethyl Ether (DME) Synthesis in a Three-Phase Slurry Reactor from CO-rich Syngas”, Chemical Engineering Science, Vol. Gogate, “Dimethyl Ether Synthesis Process”, EPRI TR-100246 ( Licensable Material), pp. ![]() Such produced DME has significant advantages over the conventional DME synthesis via methanol in two stages, in terms of syngas conversion, reactor productivity, catalyst activity, rector thermal stability, process economics, versatility of feed syngas composition, and more. The catalysts of interest are physical blends of methanol synthesis catalyst (Cu/ZnO/Al 2O 3) and a methanol dehydration catalyst (gamma-Al 2O 3) slurried in inert hydrocarbon oil. A large-scale commercial production for a high throughput can also be handled on a different type of flow reactor such as a liquid entrained reactor (LER). Dimethyl ether synthesis is carried out in a mechanically agitated slurry reactor (MASR), and utilizes the synergistic effects provided by a dual-catalytic mode of operation. The origin of syngas includes a wide spectrum of feedstocks such as coal, natural gas, biomass, municipal wastes, and others. Dimethyl ether (DME) can be produced effectively from syngas in a single-stage, liquid phase (LPDME) process. ![]()
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