AMMONIA PRODUCTION UNIT

[ AMMONIA PRODUCTION UNIT ] [ UREA PRODUCTION UNIT ][ Sirte I + Sirte II AMMONIA PRODUCTION UNIT ] [ Sirte III AMMONIA PRODUCTION UNIT ] [ SIRTE ( I) + SIRTE (II) UREA PRODUCTION UNIT ] [ SIRTE III UREA PRODUCTION UNIT ]

Production Units :

	Basic Information
	De Sulphurization Unit
	Primary Reformer
	Secondary Reformer
	HT Shift Converter
	LT Shift Converter
	CO₂ Absorption Tower
	Potassium Carbonate Regeneration Tower
	Methanator
	Ammonia Converter
	1^st Ammonia Chiller
	2^nd Ammonia Chiller
	Ammonia Vapor Separator
	Purge Gas Separator
	Air Process Compressor
	Process Gas Compressor
	Ammonia Compressor
	CO₂ Compressor
	Instruments Air Compressor
	Waste Steam Boiler
	High Pressure Feed Water Boiler Pump
	Medium Pressure Feed Water Boiler Pump
	Solution pump
	Hot Potassium Carbonate Solution Tank
	Ammonia Storage Tank
	Flow Gas Fan
	CHEMICALS
	Catalyst
	Production Requirements
	Labors

Basic Information

	Design Design Capacity	: 1200 Ton/day
	Production Capacity	: : 1200 -1230 Ton/day
	Technology	: UHDE - GERMANY
	Construction Construction Engineering Company	: SNAMPROGETTI
	Start Start up	: : May 1985

De Sulphurization Unit

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

Primary Reformer

PIPE PROPERTIES :

lengthoCoC2).37.95DesignActually3.5

Number OF PIPES	: 240
Pipe Pipe Dimensions ( mm )	length	12900	Internal Internal Diameter	97.2	External External Diameter	126.8
Material	: PARALLOY PARALLOY ( NI 35%, Cr 25%, Nb)
Reformer Reformer inlet temp.	: 510^oC	Reformer Reformer outlet temp.	: 809^oC
Reformer Reformer inlet pressure (Kg /Cm²).	: 37.95	Reformer Reformer outlet pressure	: 2.8 2.8 bar
Methane Ratio	Design	9.71%	Actually	7.4%
Steam to Carbon Ratio	3.5

Manufacturing Company	: PARALLOY
Vendor Company	: SNAMPROGETTI

Secondary Reformer

Length	: 14.436 mm
Inner diameter (after isolation)	: 3020 mm
Pressure [ In / Out ]	: 34.9/33.35 (Kg / Cm² 2 a)
Temperature [ In / Out ]	: 809^oC oC / 983 ^oC

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

HT Shift Converter

External External Diameter	: 4096 mm
Temperature Temperature [ In / Out ]	: 374.2^oC oC / 435.8 ^oC
Pressure Pressure [ In / Out ]	: 34.1 / 33.7 (Kg / Cm² 2 a)

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

LT Shift Converter

oCPressure

External External Diameter	: 4100 mm
Temperature Temperature [ In / Out ]	: 195^oC oC / 212 ^oC
Pressure	: 33.6 / 32.6 (Kg / Cm² 2 a)

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

CO₂ 2 Absorption Tower

LengthTemperature oC Pressure

Filling Material Layers	: 4 Layers
Length	: 47720 mm
External External Diameter	: 3204 mm
Temperature	: 126^oC
Pressure	: 29.2 bar abs

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

Potassium Carbonate Regeneration Tower

LengthTemperature oCPressure

Filling Material Layers	: 3 Layers
Length	: 58900 mm
External External Diameter	: 4070 mm
Temperature	: 116 ^oC
Pressure	: 0.5 bar g

Manufacturing Company	: HITACHI LTD.
Vendor Company	: SNAMPROGETTI

Methanator

Temperature oCPressure

External External Diameter	: 2833 mm
Temperature	: 351 ^oC
Pressure	: 27.3 bar g

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

Ammonia Converter

Gas Gas flow	:
Conversion Conversion Ratio	: 12.64 %
Pressure Pressure / D P	: 307 / 17 (Kg/cm², 2, Kg/cm² 2 a)

Manufacturing Company	: KOBE STEEL LTD.
Vendor Company	: SNAMPROGETTI

1^st Ammonia Chiller

Manufacturing Company	: BELLELI
Vendor Company	: SNAMPROGETTI

2^nd Ammonia Chiller

Manufacturing Company	: NUOVO PIGONE
Vendor Company	: SNAMPROGETTI

Ammonia Vapor Separator

PressureTemperature oC

Pressure	: 301.5 bar g
Temperature	: 4.9 ^oC

Manufacturing Company	: BURGESS-MANNING
Vendor Company	: SNAMPROGETTI

Purge Gas Separator

PressureTemperature oC

Pressure	: 36.3 bar g
Temperature	: 5.5 ^oC

Manufacturing Company	: KOREA HEAVY INDUSTRIES COMPANY (K.H.I.C)
Vendor Company	: SNAMPROGETTI

Air Process Compressor

Type

Type	: Centrifugal
Control Control Unit	: Steam turbine

Manufacturing Company	: DRESSER MANUFACTURE/ MITSUBISHI H.I
Vendor Company	: SNAMPROGETTI

Process Gas Compressor

Processor Processor Type	: Centrifugal
Processor Processor Control Unit	: Steam turbine

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

Ammonia Compressor

Type	: Centrifugal
Control Control Unit	: Steam turbine

Manufactured Company	: MAN-GHH
Supported Company	: SNAMPROGETTI

CO₂ 2 Compressor

Type

Type	: reciprocating
Control Control Unit	: Electric Engine

Manufacturing Company	: NUOVO PIGNONE
Vendor Company	: SNAMPROGETTI

Instruments Air Compressor

Type

Type	: Screw
Control Control Unit	: Electric Engine

Manufacturing Company	: ATLAS COPOCO
Vendor Company	: SNAMPROGETTI

Waste Steam Boiler

oCoC

Inlet Inlet Temperature	: 989 ^oC
Outlet Outlet	: 370 ^oC
Pressure Pressure	: 32.5 bar abs
Produced Steam	: 122 ton/hr
Produced Steam Pressure	: 125 bar abs
Produced Steam Temperature	: 328

Manufacturing Company	: STRUTHERS WELLS S.A
	HITACHI ZOSEN CORPORATION
Vendor Company	: SNAMPROGETTI

High Pressure Feed Water Boiler Pump

3/hr

Capacity Capacity	: 86 m³/hr
Suction Suction Pressure ( Normal /Max)	: 2.1 bar a / 3.9 bar a
Discharge Discharge Pressure	: 137.1 bar a

Manufacturing Company	: HALBERG
Vendor Company	: SNAMPROGETTI

Medium Pressure Feed Water Boiler Pump

3/hr

Capacity Capacity	: 165.3 m³/hr
Suction Suction Pressure ( Normal /Max)	: 2.1 bar a / 3.9 bar a
Discharge Discharge Pressure	: 138.4 bar a

Manufacturing Company	: HALBERG
Vendor Company	: SNAMPROGETTI

Solution pump

Capacity3/hr

Type	: Centrifugal
Capacity	: 892 m³/hr
Suction Suction Pressure	: 15.8 bar a
Discharge Discharge Pressure	: 37 bar a

Manufacturing Company	: NUOVO PIGONE
Vendor Company	: SNAMPROGETTI

Hot Potassium Carbonate Solution Tank

oC3Height Diameter

Temperature Temperature	: 80 ^oC
Pressure Pressure	: Atmospheric Pressure
Capacity Capacity	: 326 m³
Height	: 7.8 m
Diameter	: 7.3 m

Manufacturing Company	: MOTHER WELL BRIDGE CONSTRUCTORS LTD.
Vendor Company	: SNAMPROGETTI

Ammonia Storage Tank

3Height Diameter TemperatureoC

Capacity Capacity	: 29.342 m³
Pressure Pressure	: 0.06/0.02 bar g
Height	: 25.4 m
Diameter	: 41.6 m
Temperature	: -33 ^oC

Manufacturing Company	: MOTHER WELL BRIDGE CONSTRUCTURES LTD.
Vendor Company	: SNAMPROGETTI

Flow Gas Fan

TemperatureoC

Pressure	: 28.6 bar g
Temperature	: 46 ^oC

Manufacturing Company	: E. MARELLI AERAULCIA
Vendor Company	: SNAMPROGETTI

CHEMICALS

Unit

Unit	Process Process Chemicals	Manufacturing Manufacturing Company	Vendor Vendor Company
Co₂ Co₂ 2 Absorber	POTASSIUM CARBONATE	KOREA POTASSIUM CHEMICAL INDUSTRIES
Co₂ Co₂ 2 Absorber	DIETHANOL AMINE	BASF GERMANY
Co₂ Co₂ 2 Absorber	POTASSIUM METAVANADATE	CATALYST PVT. LTD. -INDIA
Co₂ Co₂ 2 Absorber	POTASSIUM NITRITE	REFINIGHUS - GERMANY
Co₂ Co₂ 2 Absorber	ANTIFORM AGENT B-15	UNION CARBIDE -USA
STEAM DRUM	HYDRZINE	BAYER - GRMANY

Catalyst

UnitCatalystHYDROGENATOROO₃33/82/4PRI-REFORMER2/4SEC-REFORMER3/62/33/8

Unit	Catalyst	operating operating life	Manufacturing Manufacturing Company	Vendor Vendor Company
HYDROGENATOR	NIO/M_OO₃	3/8	HALDOR TOPSOE
ZINC ZINC OXIDE BED	Zn	2/4	HALDOR TOPSOE
PRI-REFORMER	NIO	2/4	HALDOR TOPSOE
SEC-REFORMER	NIO	3/6	HALDOR TOPSOE
HIGH HIGH TEMPERATURE SHIFT	Fe/Cr OXIDES	2/3	HALDOR TOPSOE
LOWER LOWER TEMPERATURE SHIFT	Cu/Zn, Cu/Zn, Cr OXIDES	2/4	HALDOR TOPSOE
METHANATOR	NIO	3/8	HALDOR TOPSOE
NH₃ 3 REACTOR	Fe, K, Ca OXIDES	5/5	HALDOR TOPSOE

Production Requirements

Unit333

	actual actual consumption rate per produced ton	Unit
Natural Natural Gas / Ammonia feed stock	627.0	m³
Saturated Saturated Steam	-
Super Heated Steam	2.0	TON
WATER BOILER (LOW PRESSURE)	-
WATER BOILER (MEDIUM PRESSURE)	-
WATER BOILER (HIGH PRESSURE)	3.4	M³
PROCESS WATER	194/140	M³
ELECTRICITY	41.0	KWH
FUEL : NATURAL GAS - LQUID FUEL	322.0	NM3

LABORS

Number of employee in ammonia production Unit
	Graduated	= 6
	Technicians	= 28
	Workers	-