Stabilization in Stabilization in Fractionator (C-03) Bottom Fractionator (C-03) Bottom

Level ControlLevel Control

VGO-HDTVGO-HDT

Brief Process Discription of Brief Process Discription of VGO-HDTVGO-HDT

VGO FEED TANK

TK1501

2115P103A/B

150 °C

2093-V-01

P--01A/B

P--01A/B

FRC101A/B

APH

370°C

170°C

45Kg/cm2G

145 °C

12D01

VGO FEED TANK

TK1501

145 °C12 Kg/cm2

BRINE

P01A/B/C

2115P103A/B

P103A/B/CDemulsifier (3 to 4 ppm)Caustic solution (about 2% strength) )

Wash water (2 to

3% on crude flow)

12D01

DESALTER

PHT-1

Mixing

valve

440V 18KV

GRE-AU IV

VDU BBU

CDU

MEROX

VBU

198 °C

2.1 Kg/cm2 G

C101

180 °C

Prefractionator

Stabilizer

D10112D03

C-06

C102

Reflux Drum

Flare Flare

LPG

NAP to 713D04

8

E11A/F/G/H

14 145 °C

P8A/B

E105

P10A/B/C

22

P06A/B

E16 E15

E18 E104

P105B/C

E23

255 °C

121 °C

195°C

SS

SS

12D03

P01A/B/CNAP P01A/B/C

Water make up

Caustic 96TK01

Caustic make up

NAPHTHA

Naphtha Caustic Wash

13D02/04 13D03/05

12D03

17P01A/BLPG

17P01A/B

Water make up

Caustic 96TK01

Caustic make up

LPG Caustic Wash

17D02 17D03

LPG to AU-5

17P01A/B

17D01

LPG

6

1

7

12

20

30

40

350°C

Fractionating Column C01

Reflux

HGO

LGO

KERO

HY NAPNAP to Storage

C02

C201

C03

C04

12D02

P2A/B

P3A/B

P101A/B

P11A/B

P7A/B

P9A/B

P4A/B

E201 E203A/B

E101A/B E6A/B

APHF01/02 P3A/B

P3A/B

121°C

154°C

207°C

270°C

313°C

220°C

336°C

163°C

230°C

269°C

2Kg/cm2G

370°C

170°C

Flare Header

To HSD Header

To MEROX

To HSD Header

To HSD Header

To VDU via Heat Exchangers

RCO

VDU

P2A/B

LVGO HVGO RVCO

E1A/B E2A/B E3A/B

273°C120°C

FRC101A/B

400°C

21-D-03

RCO FR VDU FLARE HEADER

FLUE GAS

SPLIT PIDPI1Kg/cm2G

APH

370°C

170°C

TRC

DPC

ATM. STEAM

FUEL GAS

FUEL OIL

To C01

C101

8

14

22

271°C

400°C104 mmHg

72 mmHg 70°C

AMMONIA INJECTION

50°C

245°C

355°C

190°C

350°C

TO LDO HEADER AND FUEL OIL HEADERLVGO

HVGO

TO STORAGE ,INT. FUEL OIL ,LSHS HEADER & FUEL OIL HEADER

TO VISBREAKER (VBU)

TO VISBREAKER (VBU)

TO BITUMEN (BBU)

TO FUEL OIL STORAGE

TO STORAGE,INT FUEL OIL & LDO HEADER

4.5Kg/cm2G

STEAM EJECTORS

CRO FROM F01

VR

350°CSUPERHEATED LP STEAM

G-01

VENTBAROMETRIC LEG=735mm Hg

OVERHEAD GAS FROM C-01

FLARE HEADER

H-03A/B H-02A/B/CH-03C

EJECTORS

MP STEAM

H-04 H-09

CW CW CW CW

H-10

P08

SLOP OIL TO SLOP HEADER

SOUR WATER TO 98D01

HOT WELL

P-6A/B

VBU

150 °C731D01

E 101M-R

316 °C

E 101A-L

P-101A/B P-114A/B6 STAGE PUMP

45Kg/cm2G

FRC101A/B

450°C

APH

370°C

170°C20min

soakerCold tar as quench to reduce temp and arrest further Quenching Rn

45Kg/cm2G

12Kg/cm2

5.6Kg/cm2G

Provides residence time for cracking

Conversion rate=5.7Wt %

12Kg/cm2 back press keeps mixture in liq phase

31 C01

8

14

22

380°C

355°C

VB GAS OIL

CRO FROM F01

VB TAR

350°CSTRIPPING STEAM

LSHS TANK OR FUEL OIL TANK

LDO

COLD CRVB FRACTIONATOR

NAPHTHA5.2Kg/cm2G

FV 207 AS QUENCH

P 102

BBU

P101A/B

APH

370°C

170°C

C101

8

14

22

195°C

NAP

C02

C201

C03

C04

12D02

P7A/B

P9A/B

P4A/B

P3A/B

P3A/B