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Confidential / Copyright © Siemens Water Technologies. All rights reserved

Water Arabia 2009Industrial wastewater treatment & reuse in theGulf region

3 March, 2009

Charles R. GordonPresident & CEOSiemens Water Technologies

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Page 2 March 2009 Confidential / Copyright © Siemens Water Technologies. All rights reservedIndustrial WW Trmt and Reuse 02-26-09V3.ppt

Waste water treatment and water re-use protectthe environment and makes water resources more sustainable

Sustainability

77% of total water abstraction comes fromaquifers

4 times more ground water abstraction thanrenewable water 

85% of water usage for agriculture

21%2%

77%

Desalination plants

Water reuse

Non-renewable aquifers

Protection and conservation of preciouswater resources, including surface waterand groundwater

Protect human health and the environment

Manage quality and quantity of water, whilereducing demand on fresh water supplies

Sustainability and Environment in Arabia

Environment:  Arabian Gulf temperature and salinity

increases

Depletion of groundwater supplies

Higher energy consumption and CO2emissions

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Page 3 March 2009 Confidential / Copyright © Siemens Water Technologies. All rights reservedIndustrial WW Trmt and Reuse 02-26-09V3.ppt

The requirements, needs and complexity ofwastewater treatment systems varies considerable by industry

In depth process knowledgee.g. refinery waste and

wastewater sources

Steel Making

Food Processing

Pharmaceuticals

Microelectronics

Mining

Oil & Gas Production

Petroleum Refining

Petrochemicals

ChemicalManufacturing

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Treatability and pilot studies capabilities

Specific solution building requires detailedknowledge about every component

 

Raw

Influent

Process Unit Wastewater Effluent

Recycle /

Reuse

Screening/Grit Removal

PrimaryOil/Water 

SecondaryOil/Water 

BiologicalTreatment

BiologicalClarification

TertiaryTreatment

In ProcessTreatment

SolidsHandling

Typical petroleum refinery central wastewater treatment solution

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Page 5 March 2009 Confidential / Copyright © Siemens Water Technologies. All rights reservedIndustrial WW Trmt and Reuse 02-26-09V3.ppt

Industrial Wastewater Reuse

Water re-usefor irrigation

Most commontype of water re-

use projects Typically easiest

way of water re-use

Industrialprocess

re-use/recycling

Industrial processwater re-use with

zero liquiddischarge target

Water re-used forsame process orboiler feed, coolingetc.

Indirectpotablere-use

Water re-use tosustain water levels

in aquifers No additional

infrastructurenecessary

Directpotablere-use

Limited culturalacceptance

Technically doable

 Additionalinfrastructurenecessary

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Water re-use is typically more economical thandesalination

Water price trends in the desalination market ($/m3)

6

5

4

3

2

1

1995 2005 2009

DesalinationReuse

Freshwater treatment

Benefits

Sustainable and reliable resource

 Almost closed cycle

Complementary to existinginfrastructure

Sometimes separateinfrastructure required

Drawbacks

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Water currentlyre-used for irrigation

Water currentlydischarged

Re-use of petroleum refinery wastewater for boilerfeed costs $0.4-0.5/M3

 Additional technologies required toreuse the treated wastewater 

for boiler feed water includes mediafiltration, activated carbon and reverseosmosis

Cost of RO quality water: $0.50/M3

Cost of Desalinated Water

Using Seawater RO -$1.25/M3(Evaporation is 20%

more)

 Additional technologies required toreuse the wastewater for boiler feed

water includes activated carbon andreverse osmosis

Cost of RO quality water: $0.40/M3

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Retrofit and technology upgrade

Long-term and mobile services

Wastewater Reuse Projects can be executed as mobileor capital solutions with long term service contracts

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Success Strategies in the Water Business

Some KeyLessons:

SiemensValue

proposition:

Environmental benefits to wastewater reuse Consider all points of reuse in a facility Design and technology selection critical to success

Economics make reuse good business sense

Global leader in industrial and municipal re-use projects

Global leader in Water and Waste water treatment for Oil &Gas customers Broadest portfolio and detailed customer process knowledge Large base of references around the world

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Thank you for your attention!