TREATMENT OF A MIXED METAL OXIDE CATALYST CONTAINING MOLYBDENUM, VANADIUM, NIOBIUM AND OPTIONALLY TELLURIUM

摘要

The invention relates to a process for treatment of a mixed metal oxide catalyst containing molybdenum, vanadium, niobium and optionally tellurium, comprising contacting a stream comprising water with the catalyst, wherein the catalyst is a fresh catalyst and the stream comprising water comprises substantially no alkane containing 2 to 6 carbon atoms and substantially no alkene containing 2 to 6 carbon atoms.