" Combined energy consumption and CO2 capture management: Improved acid gas removal process integrated with CO2 liquefaction," Chen, Jianjun & Lam, Hon Loong & Qian, Yu & Yang, Siyu, 2021.It is observed that the direct shale gas to DME production process operated with an optimal H2/CO ratio of 1 has a higher DME yield and overall equivalent electrical efficiency than the indirect shale gas to DME production process. Effects of the key parameters like CO2 recycle ratio and H2/CO ratio on the utility consumption in the syngas synthesis unit, acid gas removal (AGR) unit, DME synthesis unit and DME separation unit are studied. ![]() Binary interaction parameters for the vapor-liquid equilibrium (VLE) model of the methanol-DME-CO-CO2-H2O-H2 system are regressed using the experimental data. A novel DME separation process has been developed and evaluated for efficient separation of DME, syngas, and CO2. ![]() For CO2 capture, Rectisol and methyl diethanolamine (MDEA)/piperazine (PZ) technologies have been evaluated and results have been compared with the experimental data. In this study, models of the pre-reforming reactor, autothermal reforming (ATR) reactor and DME synthesis reactors using kinetic data have been developed. ![]() A plant-wide model of the shale gas to dimethyl ether (DME) process with integrated CO2 capture via direct and indirect synthesis routes has been developed in Aspen Plus V8.4®.
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