function fcc_init()
% NAMES / DESCRIPTION / UNITS
%   R     Ideal gas constant J/mol.K
%   H     Holdup kg
%   R     Rate kg/s
%   S     Specific heat J/kg.K
%   P     Pressure kPa
%   T     Temperature K
%   D     Heat J/kg
%   A     Activation energy J/mol
%   F     factor, without unit
%   k     empirical constant rates /kPa.s
global R Hra Pra Tra DHcr Rtf Ttf Stf Acr kcr Acc kcc Fcf...
    Hrg Prg Trg DHfv DHrg Rai Tai Sai Rrc Sc Aor Crc Csc Ccat
R = 8.314;
%
% Reactor
% -------
Hra = 1.85e4;
Pra = 211.7;
Tra = 775.5743;
DHcr = 4.65e5;
% feed
Rtf = 41;
Ttf = 492.8;
Stf = 3140;
% Reaction 1
Acr = 6.28e4;
kcr = 8.31e-2;
% Reaction 2
Acc = 4.18e4;
kcc = 2.66e-4;
%
Fcf = 0;
% Regenerator
% -----------
Hrg = 1.53e5;
Prg = 254.4;
Trg = 947.3975;
DHfv = 1.74e5;
DHrg = 3.02e7;
% Air
Rai = 27;
Tai = 394;
Sai = 1130;
% Catalyst
Rrc  = 290;
Sc  = 1047;
% Reaction (02)
Aor = 1.47e5;
Crc = 0.1054;
Csc = 0.8919;
Ccat = 0.7935;