Ammonia Plant Changeover Study

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    PROJECT AT A GLANCE Annual Production Capacity

    Urea : 5,11,500 MT

    Daily Capacity

    Ammonia : 900 MT

    Urea : 1550 MT

    Plant On Stream Days : 330

    Project Time Schedule : 36 months

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    MILES STONE

    1 ZERO DATE 29-01-2010

    2 MECH.COMPLETION

    28-10-2012

    3 HOOKING UP 28-12-2012

    4 COMMISSIONING 28-01-2013

    5 ACCEPTANCE 28-03-2013

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    Annual requirement of Raw

    Material & Utilities

    Natural Gas (LHV=8685 kcal/ Sm3)248 million Sm3

    Support Natural Gas : 25.07 millionSm3

    Coal (LHV=4150 kcal/ kg) : 320712 MT

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    CAPITAL EXPENDITURE

    Project Capital Cost

    Total : Rs. 1294.19 Crore

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    REIMBURSEMENT OF

    CAPITAL EXPENDITURE(i) 80% of the Project Capital Cost,

    disbursement in 5 Years, interest accrued on

    it & income tax liabilities on above due torevenue generation in the form of SpecialFixed Cost.

    (ii) Pre-set Energy norms allowed under NPS-IIIto be given post revamp for 5 (five) years formeeting balance Project Capital

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    ENERGY/ MT AMMONIA(ISBL

    UNIT Sp.cons.Heat value

    (Gcal/unitEnergy

    (Gcal/MT

    NG KNM3 0.81 8.6857.078

    100k steamimport MT 3.920 0.800 3.136power MWH 0.23 2.860 0.67040k steamexport MT -2.13 0.761 -1.621BFW export MT -0.87 -0.871total 8.392

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    Ammonia

    Plant

    OilHandling/Storage

    3 Aux Boilers1 Power Boiler

    BaggingPlant

    IA Dryers

    UreaPlant

    LPGStorage

    MethanolStorage

    CoalHandlingplant

    TurboGenerator

    DM Plant SulfurRecovery

    CoolingTower

    CO2 /dry ice

    Treated water for irrigationE.T.P

    Effluent from plants

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    Ammonia

    Plant

    OilHandling/Storage

    3 Aux Boilers1 Power Boiler

    BaggingPlant

    IA Dryers

    UreaPlant

    LPGStorage

    MethanolStorage

    CoalHandlingplant

    TurboGenerator

    DM Plant SulfurRecovery

    CoolingTower

    CO2 /dry ice

    Treated water for irrigationE.T.P

    Effluent from plants

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    Air Separation Unit

    Gasification section

    Rectisol Section

    SGP & CPP Section

    De aerator, BFW Pumps& Steam section

    N2 Compressor

    Air Compressor

    N.W.U

    Synthesis Compressor

    Synthesis Section

    O2Compressor

    Steam to Process& Turbines Ref.Compressor

    NH3to Urea/storage

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    Air Separation Unit

    Gasification section

    Rectisol Section

    SGP & CPP Section

    De aerator, BFW Pumps& Steam section

    N2 Compressor

    Air Compressor

    N.W.U

    Synthesis Compressor

    Synthesis Section

    O2Compressor

    Steam to Process& Turbines Ref.Compressor

    NH3to Urea/storage

    New Ammonia Plant

    CO2to Urea

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    REDUNDANT SECTIONS OF THE PLANT Rectisol and ARU. CO-Shift Conversion. ASU and Nitrogen Wash Unit. Air, Oxygen and Nitrogen compressors. Gasification and Carbon Recovery. 64-ata steam network. Sulfur Recovery Plant.

    Fuel Oil Storage and related facilities. CO2 supply to outside (dry Ice) plants shall be

    stopped. S-200 Reactor. 3-ata steam net work shall reduce greatly. 3-ata

    steam is required only in De-aerator.

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    SECTIONS ON REDUCED LOAD Two Boilers shall be required to run instead

    of present three Boilers.

    Coal Handling and Ash Handling shall reducedby about 45%.

    Cooling Tower (CT-1) load shall reduce frompresent 18000 M3/Hr. to about 12000 M3/Hr.

    of CW flow. PW and BFW flows shall reduce by about

    30%.

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