合成气直接合成二甲醚过程化学平衡分析

Analysis of Chemical Equilibrium in Direct Synthesis of Dimethyl Ether from Syngas

选用合适的热力学模型 ,对合成气直接合成二甲醚的反应进行了化学平衡分析。主要考察了反应温度、压力和原料组成等因素对化学平衡的影响。通过分析 ,获得了该过程更深入的反应热力学规律 。

Chemical equilibrium in direct synthesis of dimethyl ether from syngas was calculated and analyzed by using an appropriate thermodynamic model.The effect of reaction temperature,pressure, n (H 2)/ n (CO+CO 2)ratio,carbon dioxide content and water content in reactant was investigated with thorough understanding of this reaction thermodynamics.