PROCESS FOR THE REGENERATION OF ZEOLITIC CATALYSTS
摘要
<p>A process for the regeneration of a zeolitic catalyst which is at least partially exhausted by use in the synthesis of optionally substituted methylenedianiline (MDA) and derivatives thereof, or of a mixture of optionally substituted MDA and derivatives thereof, with a higher homologous product the process involving washing said catalyst with an aromatic compound having at least one substitutent on the aromatic ring having activating characteristics with respect to the electrophilic substitution, in liquid or at least partially liquid phase.</p>
申请公布号
WO0197969(A1)
申请公布日期
2001.12.27
申请号
WO2001EP07113
申请日期
2001.06.22
申请人
ENI S.P.A.;ENICHEM S.P.A.;ENITECNOLOGIE S.P.A.;PEREGO, CARLO;DE ANGELIS, ALBERTO;FARIAS, OTELLO;BOSETTI, ALDO