DEACTIVATION OF HDT CATALYSTS BY FORMATION OF SILICA-GELS FROM SILICONE OIL - CHARACTERIZATION OF SPENT CATALYSTS FROM HDT OF COKER NAPHTHAUSING SI-29 AND C-13 CP MAS NMR
L. Kellberg et al., DEACTIVATION OF HDT CATALYSTS BY FORMATION OF SILICA-GELS FROM SILICONE OIL - CHARACTERIZATION OF SPENT CATALYSTS FROM HDT OF COKER NAPHTHAUSING SI-29 AND C-13 CP MAS NMR, Journal of catalysis, 143(1), 1993, pp. 45-51