384 Green Chemical Engineering
ms = 50 ; % solids flow rate Kgs/min
vg = 200 ; % volumetric flow rate of gas m3/min
rs = 4700 ; % density of soild Kg/m3
Mb = 120 ; % molecular weight of solid reactant B
eps = 0.6 ; % solids fraction in the bed
P = 1 ; % reactor pressure in ATM
T = 250 ; % reactor temperature in deg C
D = 1 ; % tower diameter in m
Pa0 = 0.2 ; % partial pressure of reactant A at the inlet
xb0 = 0.6 ; % fractional conversion of B to be acheived
b = 1 ; % stoichiometric coefficient
% Batch data
tau0 = 8 ; % time in HRS for complete conversion of
dp0 = 5 ; % particle of specified diameter in mm
mechanism = 3 ; % 1 - gas film resistance rate controlling
% 2 - ash layer diffusion rate controlling
% 3 - reaction rate controlling
% CALCULATIONS ...