Characteristics of the Synthesis of Methanol Using Biomass-Derived Syngas

The characteristics of methanol synthesis from biomass-derived syngas were studied in a high-pressure microreactor with a commercial Cu/ZnO/Al2O3 catalyst

Xiuli Yin

2005

Scholarcy highlights

  • The characteristics of methanol synthesis from biomass-derived syngas were studied in a high-pressure microreactor with a commercial Cu/ZnO/Al2O3 catalyst
  • A series of experiments was conducted at a temperature range of 215−270 °C, with three different pressures of 2.6, 3.6, and 4.6 MPa and space velocities of 4000−12 000 h-1
  • Four model bio-syngases with different H2/CO/CO2/N2 ratios, which were configured according to the results of biomass gasification, were used in the studies
  • The sensitivity analysis of the yield and selectivity of methanol with different H2/(CO + CO2) and CO2/CO ratios was investigated. Results show that both yield and selectivity of methanol are affected by the operating parameters, and optimum conditions exist within the tested range
  • The yield of methanol is sensitive to the H2/(CO + CO2) ratio, whereas the selectivity of methanol is more sensitive to the CO2/CO ratio
  • With a partial removal of CO2, both yield and selectivity of methanol can be improved

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