© ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited. Photo credits: © ALSTOM 2013. All rights reserved. Printed on environmentally friendly paper.

TPW

R/PR

SHT/

SWFG

D/E

N/9

.201

3/CH

E/15

28

Customer benefitsPROVEN TECHNOLOGYThe system is based on a set of standardised and proven components resulting in sulphur removal efficiency of up to 98% This simple and reliable system uses no slurry thus avoiding the risk of deposits of clogging and erosion. Alstom SWFGD is also a well proven solution for high sulphur HFO.

UNRIVALLED PROCESS DESIGNAlstom’s SWFGD features a packed tower design and seawater treatment plant design based on numerous references worldwide. The design is highly efficient, resulting in smaller footprint and using less seawater and power than competing solutions.

LOw OPExAlstom’s Seawater FGD technology is very cost efficient – it provides the lowest lifetime and maintenance costs thanks to the unique packed tower design and seawater treatment plant design together with minimised consumption of seawater and power.

ENVIRONMENTAL COMPLIANCEAlstom’s Seawater FGD is the most economical desulphurisation technology available and can meet the most stringent environmental regulations. It uses seawater for absorption, produces no waste and almost restores the seawater quality (pH, DO, COD) before discharge.

With more than 80 years of experience Alstom is a global leader in air quality control systems offering reliable solutions to clean flue gas from power and industrial plants.

Best available technologyAlstom’s Seawater FGD technology offers an optimal solution to your air pollution problem. With more than 40 years of experience in SWFGD for power generation and industry, Alstom substantially reduces your plant size and operating costs. The Seawater FGD process takes advantage of the natural properties of seawater to absorb and neutralise sulphur dioxide. Alstom’s simple process designs increases the reliability and ensures a very high availability.

AQCS PRODUCT SOLUTIONS

Seawater Flue Gas Desulphurisation (SWFGD)

Process flow of Seawater FGD experienCe And innovAtionEngineered in 1960s from the ground-up Alstom’s Seawater FGD features major advantages compared to most other SWFGD designs based on limestone-based wet FGD systems.

© ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited. Photo credits: © ALSTOM 2013. All rights reserved. Printed on environmentally friendly paper.

TPW

R/PR

SHT/

SWFG

D/E

N/9

.201

3/CH

E/15

28

LOWERINGENVIRONMENTAL FOOTPRINT

>98% removal with the largest fuel flexibility, including all types of heavy fuel oils with up to 4.5% sulphur content.

For more information please contact Alstom Power:

Alstom PowerBrown Boveri Strasse 7

5401 BadenSwitzerland

Visit us online: www.alstom.com

AQCS PRODUCT SOLUTIONSSeAwAter Flue GAS deSulphuriSAtion (SwFGd)

teChniCAl SpeCiFiCAtionS

Unit inlet SeAWAter DiSchArGe

wATER QUALITY MEETS REQUIREMENTS

pH 7 – 8 6 ~ 7

Sulfate mg/l 2,700 2,785

Temperature °C T T + 1.5 ~ 2

Salinity ‰ 33.5 33.5

Suspended solids mg/l SS <(SS + 1.0)

OxYGEN BALANCE CONTROLLED

COD MgO2/l 0 <2.5 – 5.0

DO % 50 – 100 70 – 90

SCope oFFerinGAlstom offers flexible Seawater FGD solutions:

BASe ScoPe extenDeD ScoPe

•Engineering•Supply of equipment and material •Advisory services for erection•Advisory services for commissioning and performance test

Typical turnkey project on an EPC basis

Absorber

Seawater treatment Plant (SWtP)

AppliCAtionS•Coal- and oil-fired power stations•Metal smelters•Petrochemical industry / oil refineries

AlStom SwFGd experienCe•No. 1 in Seawater FGD globally•More than 40 years of research and

development•More than 60 percent of the world

wide Seawater FGD fleet•53 GW total Seawater FGD operating

and under construction worldwide