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  • Saudi Aramco Saudi Aramco Wastewater Reuse Wastewater Reuse

    EffortsEfforts

    EnviroArabia EnviroArabia 20072007

    Thamer S. Al-MutairiDavid G. Evans

    April 2007

  • OutlineOutlineOutlineOutline

    General Background in Water ResourcesSaudi Aramco Wastewater GenerationSaudi Aramco standard Treatment Methods of Wastewater Re useTreatment Methods of Wastewater Re-useRe-use ApplicationsWastewater Reuse in the plant

    Riyadh Refinery projectJuaymah Gas Plant study

    Saudi Aramco Wastewater Re-use PlansConclusions

    22

  • Water Resources in Saudi Arabia

    Groundwater is PreciousGroundwater is Precious in Saudi Arabia

  • Growth in water demands Growth in water demands in the Kingdomin the Kingdom

    19,27120,474

    21,361

    22,833 22,45123,271 23,761

    19,27119,27118 776

    20,08319,27120000

    25000

    18,776

    15000

    20000

    nd M

    CM

    9,470

    9,972

    6,238

    10000

    Wat

    er D

    eman

    20 56 190 290 450 480600 750200 446

    1,508 1,8002,300 2,700

    3,400 3,740

    6,018

    5000

    20 56 190 290 450 480200 446

    01970 1980 1990 2000 2003 2010 2020 2025

    YearI d t i l W t D d D ti W t D dIndustrial Water Demands Domestic Water Demand

    Agicultuue Water Demand Total Water Demand

  • Groundwater in Saudi ArabiaGroundwater in Saudi ArabiaGroundwater in Saudi ArabiaGroundwater in Saudi Arabia

    1852516930

    30000Water renewable Fossil water

    1564315648145911587616458

    15178

    185251693016783

    137761673812981

    118019440

    15240 15563 15563

    20000

    25000

    MC

    M)

    155639230

    94406728

    518158534438

    3720

    9349

    10000

    15000

    r Con

    s. (

    5000

    10000

    Wat

    er n

    0

    980

    981

    982

    983

    984

    985

    986

    987

    988

    989

    990

    991

    992

    993

    994

    995

    996

    997

    999

    000

    001

    002

    003

    004

    005

    19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 19 20 20 20 20 20 20

    Year

  • Saudi Aramco is generating g gWastewater

    ProcessingRain RunoffTank

    Deballasting

    ProcessingRain RunoffTank

    DeballastingSA is generating over 24 million gallons of

    Sour WaterSpentChemicals IndustrialIndustrial

    Sour WaterSpentChemicals IndustrialIndustrial

    24 million gallons of Industrial wastewater each day

    HydrotestWaterCooling

    W t

    Chemicals Industrial Industrial WastewaterWastewater Hydrotest

    WaterCoolingW t

    Chemicals Industrial Industrial WastewaterWastewater

    each day.

    SA is generating over

    Associated Water

    Tank B tt

    Water

    Associated Water

    Tank B tt

    Waterg g

    21 million gallons of sanitary wastewater Water

    DesalterWater

    Bottoms WaterDesalterWater

    Bottomssa ta y aste ateeach day

  • Sa di Aramco Waste Minimi ationSaudi Aramco Waste Minimization

    Waste Minimization AuditsWaste Minimization AuditsWaste Minimization AuditsWaste Minimization Audits Water Conservation AuditsWater Conservation Audits New Reuse FacilitiesNew Reuse Facilities

  • Major Industrial Wastewater Generators

    GOSP's

    Gas Plants

    RefineriesRefineries

    Tank Farms

    ProducingfacilitiesOther

  • Saudi Aramco Strict Reuse StandardsSaudi Aramco Strict Reuse StandardsSaudi Aramco Strict Reuse StandardsSaudi Aramco Strict Reuse Standards

    ParameterSaudi Arabian Government

    M i

    Saudi AramcoMaximum

    MaximumTotal Suspended Solids (mg/L)

    10 5( g )BOD 5 (mg/l) 10 10Total Coliform (MPN/100 2.2 2.2ml)

  • Reuse Treatment MethodsReuse Treatment MethodsReuse Treatment MethodsReuse Treatment Methods

    TREATMENT METHOD

    Number Of TREATMENT METHOD

    Number Of T METHOD Plants

    Complete Mix Extended Aeration 1212

    T METHOD Plants Slow Sand Filters 11

    Activated Sludge

    Oxidation Ditch Extended Aeration 22 Rapid Sand Filters 1212Rotating Bio. Contactors (RBC) 11 Continuous Backwash Filters 22

    Flocculation 1515 Reverse Osmosis 11

  • Reuse Treatment MethodsReuse Treatment MethodsMembrane Bio ReactorMembrane Bio Reactor MBRMBR

    Projects StageProjects Stage No. OfNo. OfProjects StageProjects Stage No. OfNo. OfMBRsMBRs

    ConstructionConstruction 99Construction Construction 99

    DesignDesign 22

    PlannedPlanned 55

  • Reclaimed Water ApplicationsReclaimed Water ApplicationsReclaimed Water ApplicationsReclaimed Water Applications

    B ilC liF i BoilerFeed

    Water

    CoolingTowerWater

    FarmingCanalWater

    TreeFarm

    Perc.Ponds

    SodFarm

    GolfCourseIrrigationREUSE

    2.21.41.40.50.52.01.510.5FLOW(mgd)

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Baseball FieldsBaseball FieldsBaseball FieldsBaseball Fields

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Soccer FieldsSoccer FieldsSoccer FieldsSoccer Fields

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Golf CoursesGolf CoursesGolf CoursesGolf Courses

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    PASPALUM GRASSPASPALUM GRASS

    Salt-water tolerantR i t t t i t d di d

    Salt-water tolerantR i t t t i t d di d Resistant to insect and disease damage

    Can handle weather extremesN d f t i t t th i

    Resistant to insect and disease damage Can handle weather extremes

    N d f t i t t th i

    Golf CoursesGolf Courses

    Need few nutrients to thrive Need few nutrients to thrive

    Golf CoursesGolf Courses

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Golf CoursesGolf CoursesGolf CoursesGolf Courses

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Golf CoursesGolf CoursesGolf CoursesGolf Courses

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    ParksParksParksParksParksParksParksParks

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    ParksParksParksParks

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Sod FarmingSod FarmingSod FarmingSod Farming

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Percolation PondPercolation PondPercolation PondPercolation Pond

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Percolation PondPercolation PondPercolation PondPercolation Pond

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Abqaiq Tree FarmAbqaiq Tree Farm

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Irrigation CanalIrrigation Canal

  • REUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

    Date TreesDate Trees

  • RIYADH REFINERYRIYADH REFINERY

  • FirewaterTo Firewater System

    Effluent FromRiyadh CityWastewater Firewater

    Riyadh RefineryRiyadh Refinery

    Gravity Dual

    Media

    To RefineryCoolingT

    FirewaterTank

    Cl2

    aste ateTreatment Plant

    Caustic Coagulant CoolingTower

    Cl2Firewater

    Tank

    MediaFilters TowerMake-up

    SBS H2SO4

    SurgePond Softeners

    StorageT k

    SBS H2SO4Wastewater

    LagoonAeration Lime CO2Cl2

    SHMPStorageT kTank

    Secondary RO

    MicronFilters

    Tank

    Primary ROTrains

    Trains

    AnionCationDegasStorage

    Tank

    To Evaporation Pond

    T B ilStorage

    Tankg Tank To BoilersTank

  • S di A W t C tiSaudi Aramco Water Conservation

    Case studyCase studyCase study Case study JGP Industrial WW Reuse TechnologyJGP Industrial WW Reuse Technology

  • TreatmentWastewater Water Uses

    Sanitary WWIrrigation

    MBR

    RO Reject Raw Waterj

    Boiler Cooling Tower

    Raw Water

    BlendingBoilerBlowdown

    Cooling Tower Make-up

    Blending

    Cooling Tower Blowdown

    Fire Water Make-up

    Oily Wastewater

    Marine Disposal

    The current situationThe current situation

  • WW Reuse WW Reuse New High Tech New High Tech WW Reuse WW Reuse New High Tech New High Tech OptionsOptionsOptionsOptions

    JGP Industrial WW ReuseJGP Industrial WW ReuseJGP Industrial WW ReuseJGP Industrial WW Reuse Combine Sanitary & Oily WastewaterCombine Sanitary & Oily Wastewater API & Walnut Shell FiltersAPI & Walnut Shell Filters MBR Treatment (carbon assisted)MBR Treatment (carbon assisted)MBR Treatment (carbon assisted)MBR Treatment (carbon assisted) RO to Provide Boiler Feed WaterRO to Provide Boiler Feed Water

    Annual Cost Savings > $Annual Cost Savings > $11 MMMM Annual Cost Savings > $Annual Cost Savings > $1 1 MMMM

  • JGP JGP Carbon Assisted MBR & ROCarbon Assisted MBR & RO

    Sanitary WWIrrigation

    Sour WaterStripper Walnut Shell Filters

    BoilerBlowdown

    Boiler Feed WaterMBR & Blowdown

    Fire Training ROgWastewater

    Marine Oily

    WastewaterDisposal

  • Saudi AramcoSaudi AramcoSaudi AramcoSaudi AramcoWastewater Reuse PlansWastewater Reuse PlansWastewater Reuse PlansWastewater Reuse Plans

    Sanitary WastewaterSanitary Wastewater Currently Currently 7272% Reused% Reused Current projects will increase reuse to over Current projects

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