Shell-Hydrocracking Technology for Clean Fuels.pdf

7/23/2019 Shell-Hydrocracking Technology for Clean Fuels.pdf

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Hydrocracking Technology for Clean

Fuels

Middle East Petrotech 2008Bahrain



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



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



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



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



6


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)


Ni/V (ppmwt)

TBP 90% (ºC)

Property



7

Deeper Conversion + DCU/HCU L. Naphtha

ULSD

NHT

HDS

CCR

CDU

HVU HCU

Crude

NaphthaReformate

Jet

Jet

ULSD

Btms

Coke

Distillate

NaphthaVGO

DCUCHGO



8


2850

5.0

0.8

< 0.02

<2/<2

0.982

578

510

HCGO



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)


Ni/V (ppmwt)

TBP 90% (ºC)

Property



9

Deeper Conversion + SDA/HCU L. Naphtha

ULSD

NHT

HDS

CCR

CDU

HVU HCU

Crude

NaphthaReformate

Jet

Jet

ULSD

Btms

Asphaltenes

Distillate

NaphthaVGO

SDADOA



10


3200

3.5

7.0

< 0.05

30

0.966

> 740

675

DAO



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)


Ni/V (ppmwt)

TBP 90% (ºC)

Property



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



12


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)


Ni/V (ppmwt)

TBP 90% (ºC)

Property



13


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)


Ni/V (ppmwt)

TBP 90% (ºC)

Property



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



-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



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



17

VGO Hydrocracker Make-UpHydrogen

FreshFeed

First-StageProduct

RecycleGas

Make-Up HydrogenRecycle

Gas

Second-Stage Product

LightNaphtha

HeavyNaphtha

Kerosene

Diesel

ProductGas



18

VGO/HCGO Hydrocracker Make-UpHydrogen

FreshFeed

First-StageProduct

RecycleGas


Gas


LightNaphtha

HeavyNaphtha

Kerosene

Diesel

ProductGas



19

VGO/DAO Hydrocracker Make-UpHydrogen

FreshFeed

First-StageProduct

RecycleGas


Gas


LightNaphtha

HeavyNaphtha

Kerosene

Diesel

ProductGas



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



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



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


Cetane Index, D4737

Cloud Point, °C

Pour Point, °C


Property

1) 50/50 VGO/HCGO; 97% conversion



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


Cetane Index, D4737

Cloud Point, °C

Pour Point, °C


Property

1) 35/65 VGO/DAO; 60% conversion



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



25

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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Shell-Hydrocracking Technology for Clean Fuels.pdf

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