47
46
45
44
43
42
41
40
39
38
37
36
a
b
12
13
14
15
16
17
18
0
2
Zeolite/Matrix Surface Area
Of Steamed Catalyst
Zeolite/Matrix Surface Area
Of Steamed Catalyst
Amorphous
Cracking
Zeolite
Cracking
Zeolite
Cracking
Amorphous
Cracking
Amorphous
Cracking
Zeolite
Cracking
4
0
2
4
0
2
4
0
1
2
3
4
5
6
Zeolite/Matrix Surface Area
Of Steamed Catalyst
Gasoline Yield Wt% vs Z/M Surface Area
Coke Yield vs Z/M Surface Area
640 + Bottoms Yield vs Z/M Surface Area
Constant 60 wt% Conversion
MAT Operating Conditions
930 deg F 3c/o 16 WHSV
MAT Feed 225 API/11.5K
Constant 60 wt% Conversion
MAT Operating Conditions
930 deg F 3c/o 16 WHSV
MAT Feed 225 API/11.5K
Constant 60 wt% Conversion
MAT Operating Conditions
930 deg F 3c/o 16 WHSV
MAT Feed 225 API/11.5K
Gasoline Yield Wt%
Coke Yield Wt%
640 + Bottoms Yield Wt%
c
Fig. 28 (a–c) Effect zeolite/
matrix SA ratio on gasoline,
coke, and 640+ bottom yields
298
W. Letzsch