a process for fractional condensation of a hot gas mixture containing acrylic acid and at least one other condensable component, molten material, use thereof, and a process for rectifying separating mixtures of substances comprising at least one polymerizable compound.

摘要

A process for the fractional condensation of a hot gas mixture which as well as acrylic acid contains at least one further condensable component in a column in the presence of at least one stabilizer comprises metering in at least a portion of the at least one stabilizer as a melt.