Environmental Engineering Reference
In-Depth Information
REACTIONS: THERMODYNAMIC
ASPECTS, KINETICS, AND CATALYSIS
M
ARTINA
F
ANTINI
1
,W
IEBREN DE
J
ONG
1
,
AND
J. R
UUD VAN
O
MMEN
2
1
Department of Process and Energy, Energy Technology Section, Faculty of Mechanical,
Maritime and Materials Engineering, Delft University of Technology, Delft, the Netherlands
2
Department of Chemical Engineering, Product & Process Engineering Group, Faculty of
Applied Sciences, Delft University of Technology, Delft, the Netherlands
SYMBOLS
a
ij
number of atoms of the
j
th element in the
i
th species
[
-
]
m
−3
]
c
concentration
[mol
mol
−1
]
E
energy, mole specific
[J
mol
−1
]
E
a
activation energy
[J
f
i
fugacity of component i
[bar]
mol
−1
]
G
Gibbs free energy
[J
mol
−1
]
H
enthalpy
[J
K
eq
equilibrium constant
[reaction dependent]
K
c
equilibrium constant based on molar concentrations
[reaction dependent]
K
p
equilibrium constant based on partial pressures
[
-
]
K
x
equilibrium constant based on mole fractions
[reaction dependent]
k
reaction rate coefficient
[reaction dependent]
k
0
pre-exponential factor
[reaction dependent]
n
total number of chemical species in a reacting system [
-
]
n
i
number of moles of species i
[mol]
p
pressure
[Pa or bar]
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