Assertion: formic acid | /r/HasProperty | distilled in step
Facets:
value: in step
type: MANNER
Source sentences:
text: In a preferred variant of the process of the invention, formic acid and tertiary amine (I) are therefore distilled from the lower liquid phase from the phase separation in step (d) at a temperature at the bottom of from 80 to 300° C. and a pressure of from 1 to 1000 hPa abs in a distillation apparatus in step (g) and the stream which has been distilled off is recirculated to one of the abovementioned steps (a) to (f).