Saudi Aramco Wastewater Reuse Efforts.ppt - SAWEA Aramco... · Saudi Aramco Wastewater Reuse Efforts ... Saudi Aramco Strict Reuse StandardsSaudi Aramco Strict Reuse Standards Parameter

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 56 190 290 450 480 600 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

HydrotestWaterCooling

W 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 WaterDesalter

Water

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. OfMBR’sMBR’s

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


Soccer FieldsSoccer FieldsSoccer FieldsSoccer Fields


Golf CoursesGolf CoursesGolf CoursesGolf Courses


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 APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONSREUSE APPLICATIONS

ParksParksParksParksParksParksParksParks


ParksParksParksParks


Sod FarmingSod FarmingSod FarmingSod Farming


Percolation PondPercolation PondPercolation PondPercolation Pond


Percolation PondPercolation PondPercolation PondPercolation Pond


Abqaiq Tree FarmAbqaiq Tree Farm


Irrigation CanalIrrigation Canal


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 Tower

Make-up

SBS H2SO4

SurgePond Softeners

StorageT k

SBS H2SO4

WastewaterLagoon

Aeration 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 will increase reuse to over

9494%%9494%%Oily WastewaterOily Wastewater

C l M l Di h d E iC l M l Di h d E i•• Currently Mostly Discharged to Evaporation Currently Mostly Discharged to Evaporation Ponds (Ponds (1515% Reused)% Reused)

•• Beneficial Reuse Plan (Up toBeneficial Reuse Plan (Up to 9090% Reuse)% Reuse)•• Beneficial Reuse Plan (Up to Beneficial Reuse Plan (Up to 9090% Reuse)% Reuse)–– Oil Field Pressure MaintenanceOil Field Pressure Maintenance–– Walnut Shell Oil Removal & MBRWalnut Shell Oil Removal & MBR

CONCLUSIONCONCLUSIONCONCLUSIONCONCLUSION

W t R S P i G d tW t R S P i G d t•• Water Reuse Saves Precious GroundwaterWater Reuse Saves Precious Groundwater

•• Wastewater Can be Reused Many WaysWastewater Can be Reused Many WaysWastewater Can be Reused Many WaysWastewater Can be Reused Many Ways

•• Plans for More Water ConservationPlans for More Water Conservation

Thank YouThank YouFor YourFor YourFor Your For Your

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Saudi Aramco Wastewater Reuse Efforts.ppt - SAWEA Aramco... · Saudi Aramco Wastewater Reuse Efforts ... Saudi Aramco Strict Reuse StandardsSaudi Aramco Strict Reuse Standards Parameter