104SE-Feed Contaminants in Hydroprocessing Units
104SE-Feed Contaminants in Hydroprocessing Units
104SE-Feed Contaminants in Hydroprocessing Units
in Hydroprocessing Units
Introduction
Josh Siegel
Technical Services Engineer
Charles Olsen
Worldwide Technical Services
Manager
ADVANCED REFINING
TECHNOLOGIES
Chicago, IL USA
www.e-catalysts.com
Figure 1
Silicon
CH3
[ O Si]n O
CH3
[ O Si]n O
H
O
O H
Al2O3
H2
[ O Si]n O
Al2O3
Al2O3
Figure 2
Same Canister Silicon Capacities
8.0
CH3
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Comp
pet
etit
itor
or A
Competitor
StART
TM
Compet
etit
itor
or C
Competitor
AT724G
AT7
A
724
24G
G
A
T535
T535
AT535
Figure 3
Catalyst System Offers Longer Cycles
25
20
15
10
0
Cycle 1
Cycle
Cyclle 2
StART
TTM Cat
Catalyst
alyst
l
System
Syste
14
12
10
8
6
4
2
0
460
480
500
520
540
560
580
Temperature, F
660
600
620
640
Figure 5
Effect of Arsenic on Catalyst Activity
90
Figure 4
Temperature Dependence of Silicon Capacity
80
70
60
50
40
30
20
HDS
10
HDN
0
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
1.80
Figure 6
Arsenic Pick-Up in Basket Testing
0.7
0.6
Canister 1
0.5
Canister 2
Unit processing >80%
coker naphtha from
Canadian synthetic crude.
0.4
0.3
0.2
0.1
0
GSK-6A
AT724G
AT7
A
7 24 G
AT535
AT5
A
5 35
AT575
AT5
A
575
AT724G
AT7
A
7 24 G
A
AT535
Figure 7
Temperature Dependence of Arsenic Capacity
2.50
2.00
1.50
1.00
0.50
0.00
200
250
300
350
400
450
500
Temperature, F
550
600
650
700
Figure 8
Impact of Sodium Contamination on Activity
100
Relative Activity, %
90
80
70
60
50
40
0.00
0.10
0.20
0.30
0.40
0.50
wt.% Sodium on Catalyst
0.60
0.70
0.80
Table I
Spent Catalyst Analysis
GSK-19
GSK- 9
GSK- 6A
Top
Middle
Bottom
As, wt.%
Fe, wt.%
Na, wt.%
P, wt.%
C, wt.%
0.00
0.00
0.11
0.10
0.07
0.04
0.72
1.23
0.11
0.64
0.08
0.00
2.43
1.71
0.21
1.66
0.20
0.02
0.60
4.43
2.29
2.29
1.05
0.68
0.0
0.5
3.9
6.6
7.5
11.1