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Boreskov Institute of Catalysis of the Siberian Branch of Russian ...

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PP-III-41rector; v is a volumetric flow rate; T X is <strong>the</strong> local wall temperature; α is a heat transferP 1P 20 0 0 0 00coefficient; , , , , and are <strong>the</strong> initial partial pressure <strong>of</strong>: toluene, benzene,aromatic hydrocarbons C 8 , naph<strong>the</strong>ne hydrocarbons C 6 -C 8 , paraffin hydrocarbons C 6 -C 8 andcondensation hydrocarbons accordingly.P 3P 4P 5Equations <strong>of</strong> a rate for i-th reactions:R =RR1.5 0.51k1P1P7where P 7 is partial pressure <strong>of</strong> hydrogen.P 6R =1.5 0.52k2P3P73= k3P4P7− k7P5R4= k4P5P7235= k5P2− k8P6P7R6 = k5P2P7− k9P4For taking into account <strong>of</strong> influence <strong>of</strong> pressure, temperature and ratio <strong>of</strong> hydrogen to rawmaterial on <strong>the</strong> rate constants we have used <strong>the</strong> modified equation <strong>of</strong> Arrhenius which isgiven byki= Kwhere θ is ratio <strong>of</strong> hydrogen to raw material.( − ( E + ΔV( P 1)) RT )αi 0iθexpi i− /By using model (1) it has been calculated <strong>the</strong> construction parameters <strong>of</strong> <strong>the</strong> injectionrectors with productivity on raw material 31 ton/h.For calculating <strong>of</strong> <strong>the</strong> catalytic reactor it has been used two-dimensional one-phase quasihomogeneonsmodel <strong>of</strong> <strong>the</strong> reactor with fixed bed catalyst.Literature1. Далин М.А. и др. Нефтехимические процессы и пути повышения их эффективности. М.,ЦНИИТЭнефтихим, 1981,44 с.383

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