Kinetics of methanol synthesis over commercial copper/zinc oxide/alumina catalysts
1991; Elsevier BV; Volume: 46; Issue: 11 Linguagem: Inglês
10.1016/0009-2509(91)85150-v
ISSN1873-4405
AutoresJ. Skrzypek, M. Lachowska, H. Moroz,
Tópico(s)Catalysis and Oxidation Reactions
ResumoKinetics of the low-pressure methanol synthesis over Polish commercial catalyst CuO (60% wt)—ZnO (30%)—Al2O3 (7.5%) was investigated. The range of parameters applied was wide, especially concerning inlet concentrations of reactants: χH20 (10–80% mol), χCO20 (3–40% mol), χCO0 (0–20% mol). It was found that methanol synthesis occurs from CO2 rather than from CO and that the basic reactions are: CO2+3H2⇄CH3OH+H2O and CO2+H2⇄CO+H2O. Dependence of the reaction rates on initial concentrations of CO2 and H2 was given by the functions with characteristic maxima. Langmuir-Hinshelwood type kinetic equations were determined.
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