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Green Chemical Engineering
book

Green Chemical Engineering

by S. Suresh, S. Sundaramoorthy
December 2014
Intermediate to advanced content levelIntermediate to advanced
541 pages
17h 38m
English
CRC Press
Content preview from Green Chemical Engineering
389Heterogeneous Reactors
Da = 3.76*10^(-6) ; % diffusivity of H2 (A) - m2/s
mu = 3.48*10^(-6) ; % viscosity Kg/m s
% scale up data
vg = 600 ; % gas flow rate m3/hr
xa0 = 0.95 ; % mole fraction of H2 (A) at inlet
xaf = 0.95 ; % final conversion as percentage of equilibrium conversion
D = 0.5 ; % reactor diamameter m
dp = 1/2 ; % cyliderical pellet diameter in inches
epsb = 0.45 ; % bed porosity
% CALCULATIONS
%_________________________________________________________________
% using equilibrium conversion data
K = (xae/(1-xae)) ; % equilibrium constant
k_dash = k*(1 + K)/K ; % modified rate constant
% rate equation (-ra) = k_dash(Ca - Cae)
dp = dp*(2.54*10^-2) ; % pellet diameter in m
L0 = dp/4 ; % equilent length of cylinder L0 = R/2
phi_dash ...
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Publisher Resources

ISBN: 9781466558830