Verfahren zur Herstellung von Epsilon-caprolactam und Aktivierung von festen Katalysatoren dafür

摘要

In the production of epsilon -caprolactam from cyclohexanon oxime in gaseous phase in the presence of solid catalysts, the catalysts, no matter whether they may have worked, are brought into contact with either aqueous solution of ammonium salts and at least one basic material or ammonia water.