INTRODUCTION OF DUNG QUAT REFINERY

DUNG QUAT REFINERY

Site 12 km in the East of No 1 national

road 7 km from Chu Lai Airport, 100km

from Da Nang 38 km from Quang Ngai Town The Site is bounded by Dung Quat

Bay to the North and Viet ThanhBay to the South

Quang Ngai ProvinceArea: 5,131.51 km2

Population: 1,198,500 (1999)

DUNG QUAT REFINERY

Capacity: 6.5 million tons crude oil/annum (148,000

BPSD) Feedstock:

Sweet case: Bach Ho Crude Oil Sour Case: Mix Bach Ho + Dubai (5.5/1)

Capital investment $3.0 billion.

DUNG QUAT REFINERY

Main products (meet ASEAN standards): LPG Polypropylene Unleaded Gasoline (RON 83 and 92) Jet Fuel (Jet A1)/ Burning Kerosene Auto Diesel and Industrial Diesel Fuel Oil

DUNG QUAT REFINERY

Package 1: Refinery Inside Battery Limit Package 2: Crude Tank Farm Package 3: Product Tankage, Truck Loading,

Interconnecting Pipeline, Product Export berth Package 4: Single Point Mooring (SPM) Package 5A: Breakwater Package 5B: Jetty Package 7: Administration Building

DUNG QUAT REFINERY

Plot Plant:

36 ha

40 ha

4 ha

27 ha

125 ha

232 ha

(Add. 135 ha for ProductHarbor Service Area)

DUNG QUAT REFINERY

EPC Package 1 (Refinery Inside Battery Limit) Includes: Process Units, Utility and Offsite facilities Main Process Units:

Crude Distillation Unit (CDU) Kerosene Treating Unit (KTU) Naphtha Hydrotreating Unit (NHT) Continuous Catalytic Reforming Unit (CCR) Residue Fluid Catalytic Cracking Unit (RFCC) LPG Treating Unit (LTU) RFCC Naphtha Treating Unit (NTU) Propylene Recovery Unit (PRU)

DUNG QUAT REFINERY

EPC Package 2: Crude Tankage Stores Crude Oil imported through SPM Includes six floating roof tanks with total

working capacity: 390,000 m3

Capacity is equal to 11 day's operation at thedesign CDU feed rate ( 148,000 BPSD) +maximum parcel size (110,000 DWT).

DUNG QUAT REFINERY

EPC package 3: Product Tankage, Truck Loading, Jetty Topsides, Interconnecting pipeline

Stores and exports products Includes:

27 tanks with total working capacity: 397,000 m3 to store anddispatch products via Jetty Topsides, Truck Loading and ProductPipeline

Interconnecting Pipelines: totally 10 km (7km from the Refinery tothe Product Tankage and 3km from the Product Tankage to theProduct Export Berths

Jetty: Loading arms, MOV valves, slop tanks, drains, etc., as well ason-shore facilities including custody transfer flowmeters, safetyvalves, etc.

DUNG QUAT REFINERY

EPC Package 4: single point Mooring (SPM)

Import Crude Oil from Tanker The SPM Unit comprises of

Single Point Mooring Buoy Interconnecting hoses PLEM submarine pipeline

The SPM buoy is located approximately 3.2km off-shore inViet Thanh bay.

DUNG QUAT REFINERY

EPC Package 5A: Beak water

Keep the Loading Operations in goodcondition The Breakwater of about 1.6km long

DUNG QUAT REFINERY

EPC Package 5B: Product Export Berths Harbour for product export operations Includes:

2 Ocean Tankers Berths (Berths 1 and 2) provide capability forocean tankers in the range of 15,000 to 30,000 dead weighttonnage (DWT) with facility expandable to 50,000 DWT.

4 Coastal Tankers Berths (Berths 3, 4, 5, 6) provide capability forcoastal tankers in the range of 1,000 to 5,000 dead weighttonnage (DWT) with facility expandable to 30,000 DWT.

DUNG QUAT REFINERY

EPC Package 7: Administration Building

Operation Supports Consists of:

Administration Building Fire Station/Gas Rescue Station Canteen/Shop/ Laundry Building First Aid Station Maintenance Shop; Garage Facilities/Motor Pool Building

DUNG QUAT REFINERY

Products Balance, tons/year

BMD BMG MMD MMGPropylene 108,333 157,000 111,000 147,666LPG 286,000 343,667 276,333 307,000Gasoline A92 (unlead) 1,407,667 1,952,333 1,534,333 2,081,667Gasoline A83 (unlead) 534,667 718,000 407,667 515,667Kerosene/Jet A1 282,333 219,667 219,667 219,667Auto Diesel 2,084,333 2,115,667 2,225,333 2,321,000Industrial Diesel 1,327,000 430,000 252,000 30,000FO 115,667 177,000 1,131,667 466,000Product Total 6,146,000 6,113,000 6,158,000 6,088,667Lost and consumed 354,000 386,667 342,000 441,333Total 6,500,000 6,500,000 6,500,000 6,500,000

DUNG QUAT REFINERY

PROCESS UNITS

DUNG QUAT REFINERY

Note : Stabiliser and Naphtha Splitter are parts of CDU

SPM

Crude Tankage

CD

ULTURFCC

Gas Plant

RFCC

NHT CCR

KTU

NTU

Propylene

LPG

Mogas 92/83

Jet A1

Kerosene

Auto/Ind. Diesel

FO

LPG + FG

LN

HN

Kerosene

LGO

HGO

ResidueLCO

DCO

RFCC Naphtha

LPG LPG

C3

Mix C4

LPG

Treated HN Reformate

Treated RFCC Naphtha

Stab

iliser

Split

ter

Note Note

PRU

Crude Distillation Unit (CDU)

Capacity: 148,000 BPSD (6.5 millions TPA) Duty: Split Crude Oil into a number of hydrocarbon

fractions by distillation process System:

Desalter Fired Heater Main Fractionators & associated Strippers Stabilizers and Splitters

Crude Distillation Unit (CDU)

Product Streams: Light Ends: To RFCC Gas Plant Light Naphtha: To Mogas Blending Heavy Naphtha: To NHT Kerosene: To KTU/Kerosene Tankage Light Gas Oil: To Diesel Blending Heavy Gas Oil: To Diesel/Fuel Oil Blending Residue: To RFCC

Naphtha Hydrotreating Unit (NHT)

Capacity: 21,000 BPSD Licensed by: UOP Duty: Remove sulfur, chlorite, nitrogen,

oxygen, metallic compounds in heavy naphtha stream taken from CDU process to protect CCR catalyst by Hydrotreating

Naphtha Hydrotreating Unit (NHT)

A single fixed bed catalyst reactor Catalyst: Co + Mo + Al2O3

Catalyst regeneration cycle life: >2 years Treated naphtha: To CCR Off-gas: To FG Amine Absorber

at RFCC Gas Plant

Continuous Catalytic Reformer (CCR)

Capacity: 21,000 BPSD Licensed by: UOP Duty: Reform heavy naphtha straight-run from

NHT to High Octane Mogas Blending components (Reformat)

Catalyst: Pt/Al2O3

Continuous Catalytic Reformer (CCR)

Systems: 4 Reactors (Platformer) Continuous Catalyst Regenerator (Cycle Max) Combined Exchangers

Reformat: To Mogas Blending Un-stabilized LPG: Blended with Refinery

LPG stream and routed to LPG storage

Kerosene Treating Unit (KTU)

Capacity: 10,000 BPSD Licensed by: MERICHEM Duty: Treat kerosene stream taken from CDU to

meet Jet A1 specifications Technology: FIBER-FILM Contactor

Kerosene Treating Unit (KTU)

System: NAPFINING: Naphthenic acid extraction MERICAT II: Mercaptan oxidation AQUAFINING: Water washing

Remove Na+

Salt Dryer: Remove trace of free water and dry kerosene below saturation

Clay Filter: Remove remaining solids, moistures, soaps, emulsions and surfactant

Kerosene Treating Unit (KTU)

Treating reagents: NaOH 200 and 50 Be, activated carbon, salt, Attapulgus clay Catalyst: Cobalt Phthalocyanine (ARI-

100 EXL, ARI-120L), MEA 50% Treated kerosene: To Jet A1 Storage Spent caustic: To CNU Alkaline water: To ETP

Residue Fluid Catalytic Cracker (RFCC)

Capacity: 69,700 BPSD Licensed by: IFP Duty: Converts heavy compounds of

CDU residue into value products (lighter compounds) by catalytic cracking process Catalyst: Zeolite

Residue Fluid Catalytic Cracker (RFCC)

Operation mode: Max Gasoline Max Distillate

System: Reactor and 2-stage catalyst regenerator Main Fractionator Gas Recovery Section (Gas Plant)

RFCC Gas Plant

Process the following streams: CDU Stabilizer Off-gas CDU LPG rich stream NHT Off-gas Wet gas from RFCC Fractionator

Duty: Recovers C3/C4

Removes H2S, CO2 from LPG and fuel gas by DEA absorbers

Residue Fluid Catalytic Cracker (RFCC)

Product streams: Unsaturated off-gas: To Refinery Fuel gas Mix C3/C4: To LTU Naphtha: To NTU Light Cycle Oil (LCO): To Diesel Blending Decant Oil (DCO): To Fuel Oil Blending

Other streams: Sour water: To SWS Rich amine: To ARU

LPG Treating Unit (LTU)

Capacity: 21,000 BPSD Licensed by: MERICHEM Duty: Remove Mercaptan, COS, H2S from

LPG stream of RFCC Gas Plant Technology: FIBER-FILM Contactor 2-stage THIOLEX extraction system

LPG Treating Unit (LTU)

Treating reagents: NaOH 200 Be Catalyst: MEA 50%wt Treated LPG: To PRU/Storage Spent caustic: To CNU

RFCC Naphtha Treating Unit (NTU)

Capacity: 45,000 BPSD Licensed by: MERICHEM Duty: Remove H2S, Mercaptan and other acidic

compounds in Naphtha stream of RFCC Unit Technology: FIBER-FILM Contactor 1-stage MERICAT caustic treating system

RFCC Naphtha Treating Unit (NTU)

Catalyst: Cobalt Phthalocyanine Treating reagents: NaOH 200 Be Treated naphtha: To Mogas Blending Spent caustic: To CNU

Sour Water Stripper (SWS)

Duty: Strip NH3 and H2S dissolved in sour water collected from CDU, NHT and RFCC Unit Surge drum + a single stripping column Sour gases: To SRU Stripped water: To ETP/CDU Desalter

Amine Regeneration Unit (ARU)

Duty: Skim hydrocarbon and strip sour gas (H2S) from rich amine stream of RFCC Unit

Feed surge drum + a regeneration column Skimmed oil: To Light slops Sour gases: To SRU Stripped lean amine: To H2S absorber on

RFCC

Spent Caustic Neutralization Unit (CNU)

Capacity: 1.5 m3/h mixed caustic stream Licensed by: MERICHEM Duty: Neutralize and remove phenolic and

naphthenic oils from various spent caustic streams (KTU, LTU, NTU caustic; ETP Water; NHT alkaline water)

Technology: FIBER-FILM Contactor

Spent Caustic Neutralisation Unit (CNU)

Caustic Deep Neutralization: Neutralize by sulphuric acid 96% and remove acid gases,

naphthenic, phenolic acids from the brine Neutralization and Phenol Extraction:

Neutralize to pH=7 and extract phenol from acidic brine by solvent (Kerosene)

Treating reagents: H2SO4 96%, NaOH 50Be, Neutralized brine: To ETP Off-gas: To SRU Acid Oils/Kerosene: To Fuel Oil Blending

Propylene Recovery Unit (PRU)

Capacity: 21.000 BPSD Duty: Separate and purify propylene

from the mixed C3/C4 stream of LTU to polymer grade (99.6 wt%) specification Product stream:

Propylene: To Propylene Tankage/PP Plant

C3/C4: To LPG Blending

Propylene Recovery Unit (PRU)

System: C3/C4 Splitter: Remove C4’s from LPG Propane/propylene splitting facility:

De-ethaniser: Release product lighter than propylene Propane/Propylene splitting column

Propylene purification: Carbonyl sulfide removal Arsenic, phosphorous and antimony removal

Sulfur Recovery Unit (SRU)

Licensed unit Capacity:

Sweet case: 3 tons/day Sour case: 36 tons/day

Duty: Recover Sulfur in Refinery off-gas to meet environment protection requirements (SO2 concentration)

Product: Sulfur Powder

Polypropylene (PP) Plant

Licensed unit Capacity: 150,000 tons PP/annum Duty: Produce PP from Propylene product of

the Refinery by polymerization process Product: Unpainted heat and light stabilized

Polypropylene pellets Detailed Feasibility Study (DFS) completion

Water System

Duty: Produce and distribute various grade of water to users within Refinery and Product Tank Farm (PTF) as follows: Service water to users at Refinery and PTF Make-up supply to freshwater cooling system Make-up supply to Refinery potable water system Make-up supply to dematerialized water system Make-up supply to Refinery fire water system

Steam and Condensate

Provides: HP, MP, LP Steam to and subsequent distribution

within Refinery Collection, storage and treatment of Refinery steam

condensate for reuse as HP & MP boiler feedwater (BFW) in Process Steam Generators

Collection, storage and treatment of Power Generation Plant steam condensate for reuse as HHP BFW in Power Generation Plant

Steam and Condensate

Comprise of: Steam producing equipment Distribution Pipework HP to MP and MP to LP letdown stations Condensate collection and treatment facilities Dearators Associated chemical dosing package

Cooling Water

Duty: Supply cooling water to all users in process and utility units (except the condensers in Power Station)

A closed fresh water system, cooled by once-through sea water

Cooling Water

Comprise of: Cooling Water Circulation Pumps Plate Heat Exchanger Expansion Tank Expansion Tank Oil Skimmer Chemical Dosing Package

Sea Water Intake

Provides: Seawater to Power Station for once-through cooling in

Vacuum Condensers Seawater to seawater/freshwater exchanger for cooling

the closed loop cooling water system

Sea Water Intake

Consists of: Seawater Intake box (located offshore) Seawater Intake Basin Inlet Line Seawater Intake Basin (located onshore) Seawater circulation pumps Hypochlorite dosing Discharge facilities

Hypochlorite for seawater chlorination is generated on site by electrolysis of seawater

Plant and Instrument Air

Duty: Provides Plant and Instrument Air for demand of Refinery System:

3 Air Compressors Wet Air Receivers: Remove condensed

water 2 refrigeration-type dryers 2 Instrument Air Receivers

Nitrogen System

Provides: Gaseous nitrogen to process users in normal operation Liquid nitrogen for storage and subsequent

vaporisation to meet peak loads and startup demands Dedicated liquid nitrogen for storage and subsequent

vaporisation for use in CCR Regeneration Section Independent high pressure system for leak testing of

process equipment/pipelines

Nitrogen System

Comprises of: Nitrogen Generation Package Liquid Nitrogen Storage Vaporisation Package

Method of generation: Cryogenic Air Separation

Nitrogen purity: 96% volume

Fuel Gas

Duty: Provide Fuel Gas to process unit fired heaters and HHP Boilers at Power Station

Major users of fuel gas: CDU charge heater RFCC process heaters NHT charge heater CCR process heaters Power Station Boilers

Fuel Gas

Other users: Refinery Flare System Product Tankage (Flare system, steam regenerators)

Comprises of: Fuel Gas Mix Drums Vaporiser Package

Vaporise LPG/Propylene for use at Startup,disposal of LPG/Propylene off-spec., low FG pressure or emergency event

Fuel Gas collection/distribution pipework

Refinery Fuel Oil

Duty: Supply Fuel Oil to all consumers within Refinery Comprises of:

2 Refinery Fuel Oil Storage Tanks Fuel Oil Pumps Fuel Oil Heater Supply and return pipework

Refinery Fuel Oil

Source of Refinery Fuel Oil: In normal operation: Decant Oil (DCO) from

RFCC For Refinery Startup: Imported via SPM Outages of RFCC: Heavy Gas Oil (HGO) and/or

CDU residue from CDU

Caustic Supply

Duty: Make up and provide caustic (NaOH) solution to all consumers within Refinery Comprises of:

Dissolving Sump: dilutes solid caustic pellets

Storage Tanks Pumping Facilities

Caustic Supply

Concentrations of NaOH solution are made up, stored and distributed on site: 500 Be (49.5 wt%)

Made up by dissolving solid caustic in demin. water 200 Be (14.4 wt%)

Made up by diluting 500 Be caustic in demin. water 50 Be (3.4 wt%)

Made up by diluting 500 Be caustic in demin. water

Power Generation & Distribution

Provide: Electrical Power to Refinery and all associated

facilities Steam and condensate to Refinery

4 15 MW Steam Turbine Turbo-Generators Ability to import/export power from/to

EVN grid

Refinery Tankage

Duty: Stores and handles the intermediates and finished products of the Refinery: 1 Off-spec Propylene Sphere 1 RFCC Feed Tank 2 NHT Feed Tanks 1 Off-spec RFCC Naphtha Tank 1 Reformate Tank

1 Light Naphtha Tank 2 Mix C4’s Spheres 1 HGO Tank 2 LCO Tanks

Product Blending

Consists of a number of separate systems and associated components for blending the final products of Refinery: 92 RON Mogas 83 RON Mogas Auto Diesel Industrial Diesel Fuel Oil

Flushing Oil

Unit number: 055 Provides:

Flushing Oil for process units and Offsite pipework Contains catalyst fines Pour point is higher than minimum daily ambient temp.

Flushing Oil for SPM loop Consists of:

Facilities for flushing process units Separated facilities for flushing SPM loop

Flushing Oil

Source of Flushing Oil: For Process units and Offsite pipework:

LCO from LCO Intermediate Storage Tank

For SPM loop: LGO from SPM Flushing Oil Tank as a slip stream from CDU

rundown

SPM loop is flushed immediately before and after each transfer operation

Slops

Duty: Collects, Stores light and heavy slops from Refinery process units and Offsite areas for subsequent reprocessing in CDU or RFCC Oily Water: To Refinery ETP for further

treatment Alternative disposal route for heavy slops:

Refinery Fuel Oil System

Flare System

Consists of: Refinery Flare System Product Tank Farm Flare System

Each Flare System comprises of: Main Flare Stack Sour Gas Flare Riser (handle all discharges

containing H2S at levels higher than 10% vol.)

Effluent Treatment Plant (ETP)

Duty: Treat effluent streams to meet environment protection requirements Consists of:

Refinery ETP Primary, secondary and tertiary treatment

facilities to remove oils, solids and organics Product Tankage ETP

Primary treatment for removing oil and solids

Effluent Treatment Plant (ETP)

“Products” stream: Treated effluent: discharged to the sea Recovered slop oil: pumped to Refinery Heavy

Slops tank for re-processing Digested biological sludge: Buried in Dedicated

Area De-watered, de-oiled refinery sludge: To other

facilities for special treatment

Fire Water System

Duty: Supply water for firefighting Comprises of 2 separate firewater systems:

Refinery and nearby facilities Product Tank Farm, Truck Loading and Jetty

Topsides Firewater was taken from the sea at Jetty