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Alkylation of benzene with ethylene to ethylbenzene over a β-zeolite catalyst is carried out in the five different near critical regions. With the application of X-ray diffraction (XRD) and scanning electron microscope (SEM), structures of the catalysts used under the five different near critical conditions are compared with those of the fresh catalyst. The results show that the high pressure operating...
Based on the determined reaction rates of alkylation of benzene with ethylene to produce ethyl benzene, kinetic expressions are studied in all the five near-critical regions surrounding the critical point: supercritical fluid, low-pressure vapor, vapor–liquid two phase, high- and low-pressure liquid. Both hyperbolic model and power-law model have been applied for this purpose. Models are searched...
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