10.2. CATALYSIS
271
p - Bi2M020,
1600
2 1200
t 800
500 "C
400 "C
350 "C
300 "C
200 "C
0
100°C
400
10
20
30
40
50
60
70
80
DIFFRACTION ANGLE
DEGREE TWO THETA
Figure 10.10. X-ray diffraction patterns of the catalyst O-Bi2M0209 taken at 100°C intervals
during calcination in air over the range 100400°C. [From W. R. Moser, J. E. Sunstrom, and
6. Marshik-Guerts, in Moser (1996), Chapter 12, p. 296.1
5 0 '
'
I
I
1
I
1
100
200
300
400
500
600
Temperature ("C)
Figure 10.11. Temperature dependence of the surface area of hydrous zirconia, showing the
phase transition at 450°C [From D. R. Milburn et al., in Moser (1996), Chapter 6A, p. 138.1
271
p - Bi2M020,
1600
2 1200
t 800
500 "C
400 "C
350 "C
300 "C
200 "C
0
100°C
400
10
20
30
40
50
60
70
80
DIFFRACTION ANGLE
DEGREE TWO THETA
Figure 10.10. X-ray diffraction patterns of the catalyst O-Bi2M0209 taken at 100°C intervals
during calcination in air over the range 100400°C. [From W. R. Moser, J. E. Sunstrom, and
6. Marshik-Guerts, in Moser (1996), Chapter 12, p. 296.1
5 0 '
'
I
I
1
I
1
100
200
300
400
500
600
Temperature ("C)
Figure 10.11. Temperature dependence of the surface area of hydrous zirconia, showing the
phase transition at 450°C [From D. R. Milburn et al., in Moser (1996), Chapter 6A, p. 138.1