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A layer by layer fabrication of multilayer b-oriented HZSM-5 coating was performed with assistance of surface modification using titanium alkoxide solution. By adjusting the modification conditions, the high coverage of Ti–OH groups of 71.85% was achieved on b-oriented HZSM-5 layer, which is crucial for the inhibition of a-oriented twin crystals and thus the growth of another highly b-oriented HZSM-5...
Suspensoid of HZSM-5 or HY zeolites mixed with a self-made ceramic-like binder was coated on the inner wall of a tubular reactor by gas-aided fluid displacement technology. The coated zeolites were characterized by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM). The coating thickness is 10–20 μm and the particle size of the...
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