Geology Reference
In-Depth Information
Table 9.1: Standard chemical exergies of elements (Valero D., 2008)
Standard chemical exergy of elements, b
chj
(kJ/mole)
Element
Update
Szargut
(1989)
Element
Update
Szargut
(1989)
Ag
69.7
70.2
N
2
0.7
0.7
Al
794.3
888.2
Na
336.6
336.6
Ar
11.7
11.7
Nb
900.2
899.7
As
494.1
494.6
Nd
969.8
970.1
Au
51.5
50.5
Ne
27.2
27.2
B
628.6
628.5
Ni
232.5
232.7
Ba
765.5
775.1
O
2
4.0
4.0
Be
602.6
604.4
Os
370.8
368.1
Bi
274.8
274.5
P
861.6
861.4
Br
2
101.1
101.2
Pb
232.2
232.8
C
410.3
410.3
Pd
145.7
138.6
Ca
723.8
729.1
Pr
963.8
963.8
Cd
293.2
293.8
Pt
146.5
141.0
Ce
1054.2
1054.6
Pu
1099.7
1100.0
Cl
2
124.2
123.6
Ra
825.8
823.9
Co
308.9
312.0
Rb
388.8
388.6
Cr
584.4
584.3
Re
561.3
559.5
Cs
404.5
404.4
Rh
183.0
179.7
Cu
134.0
134.2
Ru
315.2
318.6
Dy
974.9
975.9
S
607.3
609.6
Er
973.0
972.8
Sb
437.1
438.0
Eu
1003.9
1003.8
Sc
923.8
925.2
F
2
556.1
504.9
Se
346.7
346.5
Fe
376.8
374.8
Si
854.2
854.9
Ga
514.6
514.9
Sm
993.9
993.6
Gd
969.9
969.0
Sn
547.6
551.9
Ge
556.5
557.6
Sr
758.8
749.8
H
2
236.1
236.1
Ta
974.8
974.0
He
30.4
30.4
Tb
999.0
998.4
Hf
1061.3
1062.9
Te
326.4
329.2
Hg
114.8
115.9
Th
1214.5
1202.6
Ho
979.3
978.6
Ti
904.4
907.2
I
2
175.0
174.7
Tl
193.8
194.9
In
437.4
436.8
Tm
952.5
951.7
Ir
256.1
246.8
U
1196.1
1196.6
K
366.5
366.6
V
721.5
720.4
Kr
34.4
34.4
W
827.7
827.5
La
994.3
994.6
Xe
40.3
40.3
Li
392.9
393.0
Y
966.3
965.5
Lu
946.6
945.7
Y b
944.9
944.3
Mg
629.6
626.1
Zn
339.0
339.2
Mn
484.6
482.0
Zr
1077.4
1083.4
Mo
730.5
730.3
Thus, the mineral exergy components that are subsequently described, namely
concentration and comminution exergies use Thanatia and not a conventional R.E.
as a baseline.
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