Process 2

Etabli par AO/PP/GL1Z le 1/10/99 aprés rénovation

REGENERATION OF MEA SOLUTION

FONCTION DE LA SECTION ;Cette section consiste à l ’élimination du CO2 d ’une concentration de 0,21%

massique contenu dans le GN car le CO2 se congèle à une température de l ’ordre de -70°C

SOLUTIONS /

MEASOLUTION

EXCHANGER

11

20

21

1

2

1

7

14

27MEA

PURIFIER

MEA REGENERATOR

ACID GAS CONDENSATESEPARATOR

OVERHEADCONDENSEUR

ACID CONDENSATE

PUMP

MEA SOLUTIONPUMPS

MEA FILTERS

CO2ABSORBER

MEA SOLUTIONCOOLER

MEASOLUTION

EXCHANGER

MEA REBOILER

MEA TO SUMP

MEA MAKE UP

LEAN MEA

RICH MEA

VENT TOATMOS.

MEA SUMP

MEASTORAGE

TANK

F-502

F-501

FV-12938 °C41 ba

41 b

J-503 J-504

E-504

70°C42 ba

BALLON DE FLASH

E-503 BE-503 AG-504

E-502

E-501

50 °C

E-502

118 °C

0,7 ba

FV-129

38 °C41 ba

GAZNATUREL

VENANT DEHASSI-R4MEL


CIRCUIT DE PRINCIPE DE DISTRIBUTION D’EAU DE MER

J-601 J-602 J-603 J-604 J-605 J-606

NORD SUD


CO2 REMOVAL

PREOCCUPATIONS /

SOLUTIONS /

HS58M

HS58M

1

7

14

20

CO2ABSORBER

NG FEED

STEAM

27

FT105

FSH105

FSL105

PR105

JV105

PIC104

PR05B

PR05A

TO HYDROCARBURE DECANTER

TO DRYERS


DEHYDRATION

PREOCCUPATIONS /

SOLUTIONS /

1hHV296

START UP

S I

I M IMJV214

JV219

TI276

PS273

TI276

PS271

JV218I MIM

JV213

HV297

HV290

TI276

PS274

TI276

I M IMJV216

JV220

PS272

I M IMJV217

JV221

S S

II

TSH280

TSL280

FO103

FO210

PDT204

PDI204

AE138


COOL-DOWN PHASE

PREOCCUPATIONS /

SOLUTIONS /

COOLING WATER

U

C3CHILLER

NATUREL GASFROM CO2 ABSORBER

U

TO DISPOSAL

DRIERREACTIVATION

SEPARATOR

DRIERREACTIVATION

COOLER

TO HOT

FLARE

NATUREL GASTO SCRUB TOWER

C3COOLER

FUEL GAS DRIERREACTIVATION HEATER

DUST FILTER

DRIER PRECOOLERDRIER SEPARATOR

C3

C3

38°C

21°C

A B

FUEL GASSYSTEM

21°C

32°C

FUEL GAS SYSTEM

FUEL GAS

DRIER REACTIVATION CHILLER

T C

FUEL GAS COMPRESSEUR


HEAT-UP PHASE

PREOCCUPATIONS /

SOLUTIONS /

COOLING WATER

U

C3CHILLER


U

TO DISPOSAL

DRIERREACTIVATION

SEPARATOR

DRIERREACTIVATION

COOLER

TO HOT

FLARE


C3COOLER


DUST FILTER


C3

C3

38°C

21°C

A B

FUEL GASSYSTEM

21°C

32°C

FUEL GAS SYSTEM

FUEL GAS


T C



FEED GAS FLOW

PREOCCUPATIONS /

SOLUTIONS /

U

C3CHILLER


U

TO DISPOSAL

DRIERREACTIVATION

SEPARATOR

DRIERREACTIVATION

COOLER

TO HOT

FLARE


C3COOLER

COOLING WATER


DUST FILTER


C3

C3

38°C

21°C

A B

FUEL GASSYSTEM

21°C

32°C

FUEL GAS SYSTEM

FUEL GAS


T C



PREOCCUPATIONS /

SOLUTIONS /

SCRUB TOWER

SCRUB-TOWER

LIC

FIC

12

9

8

7

1

-28°C

NATUREL GASFROM DRIER

C3M I D

C3L O W

21°C -1°C -26°C

C3L O W

2

-33°C

39. 5 BARG

NATUREL GASTO LIQUIFIER

SEPARATOR

CONDENSER

REFLUX PUMP

REBOUILLER

CHILLERS

40 BARG

LIQUIDE BUTANE, PROPANE & ETHANE FROM FRACTIONNATION

50°C

HYDROCARBONE CONDENSATE TOFRACTIONATION UNIT


LIQUEFACTION & MCR SYSTEM

PREOCCUPATIONS /

SOLUTIONS /

MCR 1er STAGE SUCTION DRUM

COOLING WATER

MCR HP SEPARATOR

FEED REJECT GASEXCHANGER

-15°C3.0 BARG

C C

-148°C25 BARG

LIQUIFIED NATUREL GASTO STORAGE

-161°C0.3 BARG

LNG PRODUCTPUMP

NITROGEN FLASH DRUM

MAINEXCHANGER

-120°C3.4 BARG

-34°C39 BARG

NATUREL GASFROM SCRUB-TOWER

MCR MAKE UP

(From fractionation)METHANEETHANEPROPANE

NITROGEN

(From N2 generator)-37°C1.7 BARG

-32°C42BARG

32°C42 BARG

LOW LEVEL PROPANE

MIDDLE LEVEL PROPANE

COOLING WATER

1ER STAGE 2 ND STAGE

-45°C0.2 BARG


PROPANE SYSTEM

/ Ce fluide ( propane ) sert dans le process pour assurer un refroidissement du gaz à traiter au niveau d ’une série d échangeurs et ce a partir du ballon de stockage le travail du refroidissement donne lieu à une formation de propane vapeur pour être aspiré vers le compresseur aux étages respectifs .

PROPANE COMPRESSOR (3-STAGES)

PROPANE FROM STORAGE OR

DEPROPANIZER

-37 °C / 0.23 BARGLOW LEVEL REFRIGERANT

1ST 2ND 3RD

-4°C / 3.2 BARGMEDIUM LEVEL REFRIGERANT

-4°C / 3.2 BARGMEDIUM LEVEL REFRIGERANT

37 °C / 12BARGACCUMULATOR

CONDENSERDESUPERHEATER

SEE WATER SEE WATER


DEMETHANIZER

PREOCCUPATIONS /

SOLUTIONS /

DEMETHANIZERBOTTOMS COOLER

DEMETHANIZERCOLUMN

DEMETHANIZERCOLUMN

CONDENSER

DEMETHANIZERREFLUX DRUM

TO MAIN EXCHANGER

MCR LIQUID(MAIN EXCHANGER)

DEMETHANIZERREFLUX PUMP

DEMETHANIZERREBOILER

SEE WATER

STEAM

HYDROCARBURECONDENSATEFROM SCRUB-TOWER

FUEL GAS MIXER VAPORIZER

MCR 1ST STAGE SUCTION DRUM

DEETHANIZER


DEEETHANIZER

PREOCCUPATIONS /

SOLUTIONS /

DEETHANIZERCOLUMN

DEETHANIZERCOLUMN

CONDENSERDEETHANIZERREFLUX DRUM

TO PROPANE SEPARATORS

LOW LEVEL PROPANE

DEETHANIZERREFLUX PUMP

DEETHANIZERREBOILER

STEAM

DEMETHANIZERBOTTOMS


SCRUB-TOWER

DEPROPANIZER

MAIN EXCHANGER

LOW LEVEL PROPANE

ETHANE STORAGE

TO PROPANE SEPARATOR

ETHANERETURNS

SUBCOOLER


DEPROPANIZER

PREOCCUPATIONS /

SOLUTIONS /

DEPROPANIZERCOLUMN

DEPROPANIZERCONDENSER

DEPROPANIZERREFLUX DRUM

DEPROPANIZERREFLUX PUMP

DEPROPANIZERREBOILER

STEAM

DEETHANIZERBOTTOMS

PROPANE STORAGE

DEBUTANIZER

LNG RETURNSUBCOOLER

PROPANE SYTEME

SEEWATER


DEBUTANIZER

PREOCCUPATIONS /

SOLUTIONS /

DEBUTANIZERCOLUMN

DEBUTANIZER COLUMNCONDENSER

DEBUTANIZERREFLUX DRUM

DEBUTANIZERREFLUX PUMP

DEBUTANIZERREBOILER

STEAM

DEPROPANIZERBOTTOMS


SCRUB-TOWER

GAZOLINE STORAGE

MAIN EXCHANGER

LOW LEVEL PROPANE

TO PROPANE SEPARATOR

LNG RETURNS SUBCOOLER

SEEWATER

DEPROPANIZER REFLUX PUMP

GAZOLINECOOLER

SEEWATER

SCRUB-TOWER & MAIN EXCHANGER



PREOCCUPATIONS /

SOLUTIONS /

MAIN EXCHANGER

NITROGEN


DEMETHANIZATION

DEETHANIZATION

DEBUTANIZATION

PURIFICATION &DRYING

SERAPATION

PT

CRV

HIC SI

T C

62 BARGSTEAM HIC SI

T C

62 BARGSTEAM

MCR-PROPANECHILLERS

CRC CRC

DISPOSAL

MCR 1ST STAGE COMPRESSOR

MCR 2ND STAGE COMPRESSOR

MCR 2NDSUCTIONDRUM

MCR 1STSUCTIONDRUM

FRC

MCRINTER-

COOLER

FTFRC

MCRINTER-

COOLERFT

GAZOLINETO STORAGE

DEPROPANIZATION

LIC

TIC

TIC

PC PIC

FEED REJECTEXCHANGER

TO FLARE

TO FUEL GAS COMPRESSOR

LNG TOSTORAGE


M M

MEA REGENERATOR

PIC

LC

LC

PIC

LC

SEAWATER

PIC

PIC

TIC

PIC

LIC

FROM MEASOLUTION PUMP

LIC

FROM FILTERS

LIC

HV HV

M M

TIC

FIC

LIC

LIC

LC

TIC

LIC

LC

FIC

CRVFIC

T C T C

FIC

FIC

FIC

FIC

FIC

FIC

FIC FIC

FICFIC

FRO

M M

CR

PR

OPA

NE

CH

ILL

ER

PIC

FIC

FIC

PIC

PIC

LIC

FIC

LIC

PIC

FIC

LIC

LIC

PIC

LIC

LIC

FIC

PIC

TIC

LIC

LIC

PIC

FIC

PIC

PIC

LIC

TIC

LIC

PIC

PIC

LIC

FIC

LIC

PIC

LIC

GENERAL DESCRIPTION PROCESS.

Process 2

Documents

Transcript of Process 2