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The investigation of strong active sites of dealuminated Y-type zeolite by TPD of carbon monoxide
(Springer, Dordrecht, 2003)
The active sites of hydrogen-exchanged Y zeolite (HY) and dealuminated (HDY) zeolites are investigated by TPD of carbon monoxide. Only the high temperature TPD spectra of CO (T(M)approximate to620-690degreesC) were observed, ...