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7/23/2019 Shell-Hydrocracking Technology for Clean Fuels.pdf
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Hydrocracking Technology for Clean
Fuels
Middle East Petrotech 2008Bahrain
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Content
Hydrocracking Clean Fuels Technology
• Deeper Conversion of the Barrel
Heavier SRVGO
Coker Heavy Gasoil
De-Asphalted Oil
VRDS VGO Thermal Cracked Vacuum Gas Oil
• More Stringent Product Qualities
Euro Diesel
• Clean Fuels Production
Finished Product to Storage/Blending
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3
Worldwide, different solutions have been applied
(Resid Upgrading schemes 2002 – 2008)
DCU/HCU
SDA/HCU
VBU/HCU
EB/HCU
ARDS/HCU
SDA/HCU
SDA/HCU
SDA/HCU
DCU/HCU
DCU/HCU
FCU/HCU
DCU/HCU
SDA/FCCU
DCU/HCU
DCU/HCU
DCU/FCCU
EB/HCU
DCU/HCU
DCU/HCU
SDA/HCU
SDA/DCU//HCU
DCU/HCU/FCCU
DCU/HCU
DCU/HCU
DCU/HCU
DCU/HCU
SDA/VBU//HCU
DCU/HCU
HCUDCU/HCU
DCU/HCU
HCU
DCU/HCU
EB/HCU
EB/HCU
SDA/HCU
SDA/DCU//HCU
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4
Deeper Conversion + HVU/HCU L. Naphtha
ULSD
NHT
HDS
CCR
CDU
HVU HCU
Crude
NaphthaReformate
Jet
Jet
ULSD
Btms
HS Fuel Oil
Distillate
NaphthaVGO
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5
“Typical” FEED Properties (ME Crude)
0.910Specific Gravity at 15°C
0.5Conradson Carbon(%wt)
1020
2.8
< 0.02
<1/<1
579
540
Standard
HVGO
TBP FBP (ºC)
Nitrogen (ppmwt)
Sulphur (%wt)
C7 Asphaltenes (%wt)
Ni/V (ppmwt)
TBP 90% (ºC)
Property
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6
“Typical” FEED Properties (ME Crude)
0.9470.910Specific Gravity at 15°C
1.70.5Conradson Carbon(%wt)
1155
3.6
< 0.02
0.7/2.3
619
575
Deepflash
HVGO
1020
2.8
< 0.02
<1/<1
579
540
Standard
HVGO
TBP FBP (ºC)
Nitrogen (ppmwt)
Sulphur (%wt)
C7 Asphaltenes (%wt)
Ni/V (ppmwt)
TBP 90% (ºC)
Property
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7
Deeper Conversion + DCU/HCU L. Naphtha
ULSD
NHT
HDS
CCR
CDU
HVU HCU
Crude
NaphthaReformate
Jet
Jet
ULSD
Btms
Coke
Distillate
NaphthaVGO
DCUCHGO
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8
“Typical” FEED Properties (ME Crude)
2850
5.0
0.8
< 0.02
<2/<2
0.982
578
510
HCGO
0.9470.910Specific Gravity at 15°C
1.70.5Conradson Carbon(%wt)
1155
3.6
< 0.02
0.7/2.3
619
575
Deepflash
HVGO
1020
2.8
< 0.02
<1/<1
579
540
Standard
HVGO
TBP FBP (ºC)
Nitrogen (ppmwt)
Sulphur (%wt)
C7 Asphaltenes (%wt)
Ni/V (ppmwt)
TBP 90% (ºC)
Property
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9
Deeper Conversion + SDA/HCU L. Naphtha
ULSD
NHT
HDS
CCR
CDU
HVU HCU
Crude
NaphthaReformate
Jet
Jet
ULSD
Btms
Asphaltenes
Distillate
NaphthaVGO
SDADOA
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10
“Typical” FEED Properties (ME Crude)
3200
3.5
7.0
< 0.05
30
0.966
> 740
675
DAO
0.9470.910Specific Gravity at 15°C
1.70.5Conradson Carbon(%wt)
1155
3.6
< 0.02
0.7/2.3
619
575
Deepflash
HVGO
1020
2.8
< 0.02
<1/<1
579
540
Standard
HVGO
TBP FBP (ºC)
Nitrogen (ppmwt)
Sulphur (%wt)
C7 Asphaltenes (%wt)
Ni/V (ppmwt)
TBP 90% (ºC)
Property
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11
Deeper Conversion + VRDS/HCU L. Naphtha
ULSD
NHT
HDS
CCR
CDU
HVU HCU
Crude
NaphthaReformate
Jet
Jet
ULSD
Btms
LS Fuel Oil
Distillate
NaphthaVGO
VRDSVGO
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12
“Typical” FEED Properties (ME Crude)
0.9120.9470.910Specific Gravity at 15°C
0.11.70.5Conradson Carbon(%wt)
1155
3.6
< 0.02
0.7/2.3
619
575
Deepflash
HVGO
700
0.23
< 0.02
<0.1/<0.1
565
526
VRDS
VGO
1020
2.8
< 0.02
<1/<1
579
540
Standard
HVGO
TBP FBP (ºC)
Nitrogen (ppmwt)
Sulphur (%wt)
C7 Asphaltenes (%wt)
Ni/V (ppmwt)
TBP 90% (ºC)
Property
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13
“Typical” FEED Properties (ME Crude)
3200
3.5
7.0
< 0.05
30
0.966
> 740
675
DAO
2850
5.0
0.8
< 0.02
<2/<2
0.982
578
510
HCGO
0.9120.9470.910Specific Gravity at 15°C
0.11.70.5Conradson Carbon(%wt)
1155
3.6
< 0.02
0.7/2.3
619
575
Deepflash
HVGO
700
0.23
< 0.02
<0.1/<0.1
565
526
VRDS
VGO
1020
2.8
< 0.02
<1/<1
579
540
Standard
HVGO
TBP FBP (ºC)
Nitrogen (ppmwt)
Sulphur (%wt)
C7 Asphaltenes (%wt)
Ni/V (ppmwt)
TBP 90% (ºC)
Property
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14
Activity and Stability Effect
Run Hours
0
20
40
60
80
100
120
0 1000 2000 3000 4000
d e l t a W A B T ( D e g o C )
Arab Heavy VGO HCCCO TCFD DAO
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-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
Run Hours
A c t i v i t y
L o s s ( D e g o C )
0.7 ºC/1000 hrs
1.8 ºC/1000 hrs
5000 10000 15000 20000 25000 30000 35000
TCFD – Commercial Unit PretreatDeactivation
TCFD in feed = 160%
increase in pretreatdeactivation
0
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Hydrocracker Pretreat Deactivation Rate
0.0
0.5
Base
1.5
2.0
2.5
3.0
480 490 500 510 520
Feed 90% Point (°C, D-1160)
R e l a t i v e D
e a c t i v a t i o n R a t e
Pretreat Deactivation Rate Strongly
Depends on the Heaviness of the Coker Feed
HCU Feed 75wt%
HCGO
470
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17
VGO Hydrocracker Make-UpHydrogen
FreshFeed
First-StageProduct
RecycleGas
Make-Up HydrogenRecycle
Gas
Second-Stage Product
LightNaphtha
HeavyNaphtha
Kerosene
Diesel
ProductGas
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18
VGO/HCGO Hydrocracker Make-UpHydrogen
FreshFeed
First-StageProduct
RecycleGas
Make-Up HydrogenRecycle
Gas
Second-Stage Product
LightNaphtha
HeavyNaphtha
Kerosene
Diesel
ProductGas
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19
VGO/DAO Hydrocracker Make-UpHydrogen
FreshFeed
First-StageProduct
RecycleGas
Make-Up HydrogenRecycle
Gas
Second-Stage Product
LightNaphtha
HeavyNaphtha
Kerosene
Diesel
ProductGas
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20
Product Specs – a Moving Target..Gasoline Diesel
2000 (Euro 3) 2005 (Euro 4)
WWFC further
advanced2009 (Euro 5)1996 (Euro 2)
(ppm)
20
1510
50
45
40
600
400
200
45
(%v)
Aromatics
Benzene
Sulphur E100
Olefins(%v)
(%v)
40
3
5
35
1
30
(ppm)
20
1510
50
45
40
600
400
200
45 (%v)
(%v)
Benzene
Sulphur E100
Olefins(%v)
(%v)
40
3
5
35
1
30
(deg C) (%w)
600
400
200
380
340
15
5
860(ppm) (kg/m3)
48
56
360
Cetane No.
Density
PAT95
Sulphur
52
10
840
820
(deg C) (%w)
600
400
200
380
340
15
5
860(ppm) (kg/m3)
48
56
360
Cetane No.
Density
PAT95
Sulphur
52
10
840
820
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21
VGO Hydrocracker – Product Properties1)
63
-21
-42
<2
0.8474
Gasoil
(260-360)
25
<2
0.8123
Kerosene
(165-260)
Smoke Point, mm
0.7574
HNaphtha
(82-165)
5
0.8187
Hydrowax
(360+)
LNaphtha
(C5-82)
Sulphur, wppm
Viscosity @ 100 °C,cSt
Cetane Index, D4737
Cloud Point, °C
Pour Point, °C
Specific Gravity at15°C
Property
1) 97% conversion
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22
HCGO Hydrocracker – Product Properties1)
58
-18
-33
8
0.8554
Gasoil
(260-360)
22
<2
0.8206
Kerosene
(165-260)
Smoke Point, mm
0.7638
HNaphtha
(82-165)
10
0.8209
Hydrowax
(360+)
LNaphtha
(C5-82)
Sulphur, wppm
Viscosity @ 100 °C,cSt
Cetane Index, D4737
Cloud Point, °C
Pour Point, °C
Specific Gravity at15°C
Property
1) 50/50 VGO/HCGO; 97% conversion
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23
DAO Hydrocracker – Product Properties1)
57
-8
-11
<2
0.8458
Gasoil
(290-365)
43
<-55
<-55
22
<2
0.8220
Kerosene
(140-290)
Smoke Point, mm
<2
0.7542
HNaphtha
(85-140)
8.9
30
4
0.8612
Hydrowax
(365+)
0.717
LNaphtha
(C5-85)
Sulphur, wppm
Viscosity @ 100 °C,cSt
Cetane Index, D4737
Cloud Point, °C
Pour Point, °C
Specific Gravity at15°C
Property
1) 35/65 VGO/DAO; 60% conversion
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24
VRDS Hydrocracker – Product Properties1)
49
<-55
<-55
32
<2
0.7970
Kerosene
(124-291)
Smoke Point, mm
<2
0.7297
H Naphtha
(82-124)
2.9
6
3
0.8391
Hydrowax
(291+)
0.6616
L Naphtha
(C5-82)
Sulphur, wppm
Viscosity @ 100 °C, cSt
Cetane Index, D4737
Cloud Point, °C
Pour Point, °C
Specific Gravity at 15°C
Property
1) 97% conversion
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Shell Hydrocracking Clean FuelsTechnologyTechnology
• Flexible for Feedstocks
• Constant (High) ProductQuality
• Owner/Operator Solutions for Safety, Simplicity, Reliability,
Operability
• Leading process technology,catalysts and reactor internals
• On-Going process and
catalyst development
• World class technical services
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