Fig. 32. (a) Fluorescence microscopy/TEM overlay image of a brightly fluorescing FCC particle slice. (b) Zoom-in of (a) in which the black rectangle shows the periphery of the particle, which is not fluorescent. (c) TEM imaging of the area boxed in (b) confirming the presence of a rim of clotted zeolites surrounding this FCC catalyst particle. (Reproduced with permission from ref. 183, Copyright Wiley-VCH, 2013).
