To promote a reaction for oxycarbonylating and facilitate recovery of respective components in the reaction for oxycarbonylating an aromatic hydroxy compound in the presence of carbon monoxide, oxygen and a catalyst.
This method for producing a diaryl carbonate comprises carrying out treatments including (1) one or more steps of reducing water and (2) one or more steps of distilling an inert substance (A) as one of distillates for the distillates, etc., from a reactional mixture in the method for producing the diaryl carbonate comprising making the inert substance (A) capable of being distilled out together with formed water exist while separating the formed water together with the inert substance (A) from the reactional mixture in the reaction for oxycarbonylating the aromatic hydroxy compound in the presence of the carbon monoxide, oxygen and catalyst.
OHASHI KENJI
NAGASHIMA RYOICHI
YOSHISATO AKINOBU
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