2012 Ethylene Plant for Itb
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Ethylene Plant Consist of ISBL process units and supporting facilities designed to produce polymer grade ethylene, polymer grade propylene, hydrotreated pyrolysis gasoline and other by-products
description
proses pembuatan etilen oleh ITB
Transcript of 2012 Ethylene Plant for Itb
Ethylene PlantConsist of ISBL process units and supporting facilities designed to
produce polymer grade ethylene, polymer grade propylene,
hydrotreated pyrolysis gasoline and other by-products
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ISBL Facilities 100
Pyrolysis (cracking) and quench, gas turbine intergration, gasoline fractionation, pyrolysis fuel oil stripping, process water stripping and dilution steam generation
200 Charge gas compression, acid gas removal by caustic wash,
charge gas drying and condensate stripping 300
Charge gas chilling, demethanization, ,ethane refrigeration, methanation and hydrogen purification by ethane wash
400 Deehanization, acetylene hydrgenation, ethylene fractionation,
ethylene product delivery system, depropanization, C3 hydrogenation, propylene fractionation and debutanization
500 Propylene refrigeration
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ISBL Facilities (continue) 600
Ethylene refrigeration 700
Utilities distribution 800
Heavy NGL feed treatment 900
Spent caustic pretreatment Spent caustic oxidation
1100 C4/C5 Hydrogenation
1200 Pyrolysis gasoline hydrogenation and fractionation
1800 Storage tank yard
ETHYLENE PLANT
PFO Stripper
GasolineFractionator
Furnace
Heavy Naphtha
Light Naphtha
C4 Recycle
C2 / C3 Recycle
Quench Tower
PFO
Crack Gas
Charge GasCompressor
1st, 2nd, & 3rd
Caustic WaterWash Tower
Charge GasCompressor
4th & 5th
Charge GasDryer
Chilling Train
Hydrogen MethaneSeparator No. 1
Demethanizer
AcetyleneConverter
Ethylene DryerEthylene
Fractionator
Hydrogen MethaneSeparator No. 2
MethanatorHydrogen
DryerEthane Wash
Tower
HP Methane
96 % H2
99 % H2
HP Ethylene
Ethane Recycle
Deethanizer
DepropanizerNo. 2
DepropanizerNo. 1
Debutanizer
C4/C5Reactor
PyGasReactor
PropyleneDryer
MAPDConverter
PropyleneFractionator No. 2
PropyleneFractionator No. 1
Depentanizer BTX Tower
Heavy Gasoline
Propylene
C3 LPG &C3 Recycled
Crude C4
C4 Recycled
C5 mix with Naphtha
PyGas
C9+
HOT SECTION COLD SECTION
AREA 100
AREA 200 AREA 300
AREA 400
AREA 1100
AREA 1200
GENERAL PROCESS DESCRIPTIONHOT SECTION
PFO Stripper
GasolineFractionator
Furnace
Heavy Naphtha
Light Naphtha
C4 Recycle
C2 / C3 Recycle
Quench Tower
PFO
Heavy Gasoline
Crack Gas
To Compressor
Crack the feed into valuable product
Cooling fns effluent, separate product from
heavy co-products
Stripped lighter heavy co-product from PFO
Stripped lighter heavy co-product from PFO
GENERAL PROCESS DESCRIPTIONCOLD SECTION
To Quench Tower
Charge GasCompressor
1st, 2nd, & 3rd
Caustic WaterWash Tower
Charge GasCompressor
4th & 5th
Charge GasDryer
Chilling Train
Hydrogen MethaneSeparator No. 1
Demethanizer
Deethanizer
AcetyleneConverter
Ethylene DryerEthylene
Fractionator
Hydrogen MethaneSeparator No. 2
MethanatorHydrogen
DryerEthane Wash
Tower
HP Methane
96 % H2
99 % H2
HP Ethylene
Ethane Recycle
To Hot Distillation
Compress the charge gas from 0.3 KG to 37 KG for
separation
Cold Distillation : -H2-CH4 separator, Demethanizer, Deethanizer, Ethylene Fractionator.-Operating T < ambient T-Separate cracked gas to valuable product such as H2, Methane, Ethylene, Ethane.
GENERAL PROCESS DESCRIPTIONCOLD SECTION (cont’d)
Deethanizer
DepropanizerNo. 2
DepropanizerNo. 1
Debutanizer
C4/C5Reactor
PyGasReactor
PropyleneDryer
MAPDConverter
PropyleneFractionator No. 2
PropyleneFractionator No. 1
Depentanizer BTX TowerHeavy Gasoline
From Quench Tower
To Acetylene ConverterPropylene
C3 LPG &C3 Recycled
Crude C4
C4 Recycled
C5 mix with Naphtha
PyGas
C9+
Hot Distillation: -Depropanizer, Propylene Fractionator, Debutanizer, Depentanizer, BTX Tower-Operating T > ambient T-Separate the remaining valuable product such as Propylene, C3LPG, CC4, C5, Pygas & C9
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General DescriptionDesigned to produce polymer grade ethylene by thermal cracking of:
Naphthas C3 LPG Heavy NGL Ethane Recycle Propane recycle Hydrotreated C4/C5
Also designed to produce the following y-products:
High Pressure Hydrogen Methane Offgas Polymer Grade
Propylene Hydrotreated Pyrolysis
Gasoline Pyrolisys Fuel Oil Heavy Tail End (from H-
NGL)
