Abstract
In the present paper the reaction of 2-benzoylbenzoic acid dehydration has been studied in the presence of different catalysts by using a batch reactor for screening the best catalysts and a pseudo-continuous multifunctional reactor for determining catalysts productivity, reaction yields, catalysts deactivation and regeneration on the previously selected catalysts that are acid bentonite, Y- and β-zeolites. This last reactor works also as evaporator and condenser for separating and collecting produced anthraquinone at a high level of purity, while water continuously formed evaporates in the atmosphere. A kinetic model with vapour–liquid partition and catalyst deactivation has been used to interpret the experimental runs. The liquid reacting mixture showed strong non-ideality favouring the evaporation and collection of pure anthraquinone.
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