焦化干气制甲醇原料气操作优化

Operating optimization of producing feedstock gas for synthesizing methanol from cokingdry gas

介绍了合成甲醇对原料气的要求。焦化干气制甲醇原料气宜少返氢 ,配适量CO2 ;与制氢相比 ,水碳比控制要低 ,反应温度控制要高。制成的甲醇合成气为 :H2 76 %、CO 11 1%、CO2 11 2 5 %、CH4 1 0 2 % ,合成反应温度为 775℃。

Therequirementofmethanol productionto feedstockgasisdescribed .Manufacturingfeedstock gasforsynthesizingmethanolfromcokingdrygas needslesshydrogenreturnandsupplementing properCO2 .Comparingtomanufacturinhydrogen ,itrequireslowersteam /carbonratioandhigher reactiontemperature ( 775℃ ) .Thepreparedsyngas wascomposedof 76%H2 ,1 1 1 %CO ,1 1 2 5% CO2 and 1 0 2 %CH4.