| 摘要 |
A process for the production of methanol comprises the steps of … … (a) reacting a hydrocarbon with steam to generate synthesis gas containing hydrogen, carbon monoxide and carbon dioxide as main components, … (b) reacting the synthesis gas on a methanol synthesis catalyst to synthesize a crude methanol containing low boiling organic compounds, high boiling organic compounds and organic acids as impurities, … (c) feeding the resultant crude methanol directly to a distillation column and distilling the crude methanol, without adding any alkali compound thereto to neutralize the organic acids, to separate purified methanol and an effluent water containing at least part of low boiling organic compounds, high boiling organic compounds and organic acids, and … (d) bringing effluent water from step (c) into contact with gaseous hydrocarbon to humidity the hydrocarbon for use in step (a). … |
