gtt-technologies addition of v2o5 and v o to the gtox ... · gtt-technologies addition of v 2 o 5...
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GTT-Technologies
Addition of V2O5 and V2O3 to the GTOX Oxide database
Klaus Hack, Tatjana Jantzen
GTT-Technologies, Herzogenrath
GTT-Workshop, 27-29. June 2018, Herzogenrath
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GTT-Technologies
Addition of VOx
The desulfurization is
important in the iron and
steel industry.
Vanadium-Titanium alloys
as new electrode materials
in hydrogen storage
batteries.
Vanadium
V as alloying element in
steel products for improving
their tensile strength,
fatigue performance and
heat resistance.
In chemical industries, V
compounds are utilized as a
desulfurization catalyst in
sulfuric acid production
processes.
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GTT-Technologies
Contents of presentationGTT-Technologies
• Introduction
• Binary systems
• V-O [Yang15]
• Quasi-binary systems
• Al2O3-V2O5
• CaO-V2O5
• Cr2O3-V2O5
• FeO-V2O3, Fe2O3-V2O5
• MgO-V2O5 , MgO-V2O3
• MnO-V2O5, Mn2O3-V2O5
• NiO-V2O5
• TiOx-V2O3 [Yang17]
• SiO2-V2O3, SiO2-V2O5
• Ternary systems
• Al2O3-Fe2O3-V2O5
• Al2O3-FeO-V2O3
• Al2O3-V2O5-SiO2
• CaO-Fe2O3-V2O5
• CaO-NiO-V2O5
• CaO-SiO2-V2O5
• TiO2-Ti2O3-V2O3
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GTT-Technologies
Introduction
The associate species were added in order to describe the liquid phase in VOx-containing systems. The composition of the liquid oxide species are as introduced by Spear taking two moles of cations per associate. Species for similar systems are modelled in the same way, i.e. using the same stoichiometry.
System Associate species Used data for Gibbs energy
V-O V, V2O2*, V2O3, V2O4, V2O5 SGPS database
FeO-V2O3 FeV2O4 This work
MgO-V2O3 MgV2O4 This work
MnO-V2O3 MnV2O4 This work
* Hf changed in this work.
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GTT-Technologies
Modelling of V-containing phases
Phase Description
fcc-A1 (Al, Ca, Fe, Cr, P, Mg, Mn, S, Si, Zn, Ti, O, V) (Va)
bcc-A2 (Al, Ca, Fe, Cr, P, Mn, S, Zn, Ti, O, TiO3, V, VO3)(Va)3
cub-A13 (Cr, Fe, Mg, Mn, V)
cbcc-A12 (Cr, Fe, Mg, Mn, V)
Titania Spinel (Fe+2,Fe+3,Mg+2,Mn+2,Ti+4)(Al+3,Fe+2,Fe+3,Mg+2,Mn+2,Mn+3,Va,Ti+3,V+3)2 (O-2)4
PSbrookite-Ti3O5 (Al, Mg, Fe, Mn, Ti, V)1(Al,Ti, Fe)1(Ti)1(O)5
MeVO4 (Al+3, Fe+3)1(V+5)1(O
-2)4
Rutile (Ti, V)1(O, Va)2
Sigma (Fe, Mn)8(Cr, V)4(Cr, Fe, Mn, V)18
Beta (V) (O,Va)
C2S-C3P (Ca+2,Cr+2,Mg+2,Mn+2)3(Ca+2,Va)(P+5,Si+4,V+5)2(O-2)8
Gamma (V) (O,Va)0.5
Corundum (Al+3,Cr+2,Cr+3,Fe+3,Mn+3, Ti+3,Fe0.5Ti0.5+3,Mg0.5Ti0.5
+3, Mn0.5Ti0.5+3, V+3, V+4)2
(Cr+3,Va)1(O-2)3
V3O5 and M8O15(V, Ti)3(O)5 and (V, Ti)8(O)15
T5O9 and V5O9(V, Ti)3(O)5 and (V, Ti)3(O)5
M4O7 and M6O11 (V, Ti)4(O)7 and (V, Ti)6(O)11
MeO (Al+3,Ca+2,Cr+3,Fe+2,Fe+3,Mg+2,Mn+2,Mn+3,Ti+4,Ti+3,V+2,V+3,V, Zn+2,Va)(O-2)
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GTT-Technologies
Modelling of the phases in ternary systems
System Phase Description Used data
Al2O3-FeO-V2O3 Titania Spinel (Fe+2,Fe+3)(Al+3,Fe+2,Fe+3,V+3,Va)2 (O-2)4 Present work
Al2O3-Fe2O3-V2O5 MeVO4 (Al+3,Fe+3)1(V+5 )1(O
-2)4 Present work
CaO-Fe2O3-V2O5 Ca6Fe7V3O24 stoichiometric Present work
CaO-NiO-V2O5 Ca5Ni4V8O24 stoichiometric Present work
CaO-SiO2-V2O5 -Ca2SiO4 (Ca+2)3(Ca+2,Va)(V+5,Si+4)2(O-2)8 Present work
TiO2-Ti2O3-V2O3 Pseudobrookite
Rutile
Ti2VO5
T5O9
V3O5
M4O7
V5O9
M6O11
M8O15
(Ti, V)1(Ti)1(Ti)1(O)5
(Ti, V) (O, Va)2
stoichiometric
(Ti,V)5O9
(Ti, V)3(O)5
(Ti, V)4(O)7
(Ti, V)5(O)9
(Ti, V)6(O)11
(Ti, V)8(O)15
Present work
[Yang17]
[Yang17]
[Yang17]
[Yang17]
[Yang17]
[Yang17]
[Yang17]
[Yang17]
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GTT-Technologies
V-O phase diagram
T.B. Massalski (ed), Binary Alloy
Phase Diagrams, Second Edition,
ASM International, Metals Park, OH
1990.
Phase Description Used dataSlag
Bcc-A2
Beta
Gamma
MeO
Corundum
VO, VO2, V2O3,
V2O5, V3O5, V3O7,
V4O7, V5O9, V6O11,
V6O13,V7O13,V8O15,
V52O64
(V, V2O2, V2O3, V2O4, V2O5)
(V, O, VO3)(Va)3
(V)(O, Va)
(V)(O, Va)0.5
(V+2,V+3,V)(O-2)
(V+4,V+3,Va)2(O-2)3
stoichiometric
stoichiometric
stoichiometric
stoichiometric
stoichiometric
Present work
Present work
[Yang15]
[Yang15]
Present work
Present work
[Yang15]
[Yang15]
[Yang15]
[Yang15]
[Yang15]
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GTT-Technologies
Al2O3-V2O5 phase diagram
A. Burdese, Ann. Chim. (Rome),
47 [7-8], (1957), pp. 797-805.
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GTT-Technologies
Al2O3-V2O3 phase diagram
A. Muan and M. S. Najjar,
"Compositions involving V2O3-
Al2O3-CaO", US Patent 5,070,065,
December 3, 1991.
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GTT-Technologies
CaO-V2O5 phase diagram
V.L.Volkov, A.A. Fotiev, L.L. Surat,
Zh. Fiz. Khim., 49 [6], (1975), pp.1575-
1577.
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GTT-Technologies
Cr2O3-V2O5 phase diagram in air
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GTT-Technologies
Titania Spinel(Fe+2,Fe+3,Mg+2, Mn+2, Ti+4)
(Al+3,Fe+2,Fe+3,Mg+2, Mn+2,Mn+3,Ti+3,Va)2 (O-2)4
Modelling of Titania Spinel
Titania Spinel(Fe+2,Fe+3,Mg+2, Mn+2, Ti+4)
(Al+3,Fe+2,Fe+3,Mg+2, Mn+2,Mn+3,Ti+3,V+3,Va)2 (O-2)4
V+3
Spinels with Ti2O3
MgTi2O4, MnTi2O4
B. Leusmann, N. Jb. Miner.
Mh., 12 (1979), pp. 556-559.J.-B. Kang, H.-B. Lee, ISIJ Intern., 45
(2005), pp. 1543-1551.A.D. Pelton, G. Eriksson, D. Krajewski,
M.Göbbels, E. Woermann, Z. Phys.
Chem., 207 (1998), pp. 163-180.
Spinels with V2O3
MgV2O4, MnV2O4, FeV2O4
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GTT-Technologies
FeO-V2O3 phase diagram in equilibrium with Fe
F. Koerber and W. Oelsen, Stahl
Eisen, 60 [43] 948-955 (1940).
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GTT-Technologies
Isothermal section at 600oC in Al2O3-FeO-V2O3
B. Leusmann, N. Jb. Miner.
Mh., 12 (1979), pp. 556-559.
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GTT-Technologies
Fe2O3-V2O5 phase diagram in air
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GTT-Technologies
MgO-V2O5 phase diagram in air
R. Wollast and A. Tazairt, Silic. Ind.,
34 [2] 37-45 (1969).
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GTT-Technologies
MgO-V2O3 phase diagram
L. Cini, Radex Rundsch., No. 2, 102-112
(1968).
Spinel
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GTT-Technologies
MnO-V2O5 phase diagram in equilibrium with Mn
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GTT-Technologies
MnO-V2O5 phase diagram, CO/CO2=1
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GTT-Technologies
NiO-V2O5 phase diagram
C. Brisi, Ann. Chim. (Rome), 47 [7-8],
(1957), pp. 806-816.
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GTT-Technologies
Isothermal section at 600oC in Al2O3-V2O5-SiO2
A.A. Fotiev, B.V. Slobodin, L.L. Surat,
T.P. Sirina, Zh. Neorg. Khim., 28[4],
(1983), pp. 588-591.
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GTT-Technologies
Isothermal section at 600oC in CaO-Fe2O3-V2O5
B.V. Slobodin, A.A. Fotiev, S.F.
Blinova, Zh. Neorg. Khim., 24 [8],
(1979), pp. 2276-2278.
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GTT-Technologies
Isothermal section at 600oC in CaO-NiO-V2O5
I.A. Arapova, N.P. Tugova, N.G.
Sharova, B.V. Slobodin, Zh. Neorg.
Khim., 26 [1], (1981), pp.281-282.
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GTT-Technologies
C2S-C3P– solid solution phase α-Ca2SiO4 with solubility for
CrO,MgO,MnO and α‘-Ca3P2O8 with solubility for MgO.
(Ca+2,Cr+2,Mg+2,Mn+2)3(Ca+2,Va)(P+5,Si+4,V+5)2(O-2)8 with end-members:
Isothermal section at 1500oC in CaO-V2O5-SiO2
M. Eke, N.H. Brett, Trans. J. Br.
Ceram. Soc., 72 [5], (1973), pp. 195-
201.
Tm=1378oC
Ca2SiO4 Ca3P2O8
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GTT-Technologies
Isothermal section at 1200oC in TiO2-Ti2O3-V2O3
Phase Description Used dataCorundum
Pseudobrookite
Rutile
V3O5
M4O7
V5O9
M6O11
M8O15
(Ti+3,V+3, V+4)2 (Va)1(O-2)3
(Ti, V)1(Ti)1(Ti)1(O)5
(Ti, V) (O, Va)2
(Ti, V)3(O)5
(Ti, V)4(O)7
(Ti, V)5(O)9
(Ti, V)6(O)11
(Ti, V)8(O)15
Present work
Present work
[Yang17]
[Yang17]
[Yang17]
[Yang17]
[Yang17]
[Yang17]
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GTT-Technologies
Conclusions
• The liquid phase in all subsystems was evaluated using associate species model (two cations per species).
• All available experimental information was used.
• 1 binaries, 14 quasi-binaries and 7 ternary systems were assessed.
• The solubility ranges of 20 Vanadium containing solid solution
phases were modelled.
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GTT-Technologies
Thanks for your attention