Environmental Control SolutionsAt the forefront of Technology

Fabio Dinale

What are our customers asking for?

Leading Efficiency, Lower Emissions, Better Economics

EMISSIONS COMPLIANCE

PROFITABLE GROWTH

GREATERRELIABILITY

BETTER

PERFORMANCE

Smarter. Cleaner. Steam Power.

50%efficiency

Steam Power Systems has accelerated the development of leading efficiency, lower emission technologies to deliver more value to customers.

Technology Advancements

1½ % points more efficient & 3% lower emissions

compared to today’s best

DigitalCapabilities

Delivers up to 1 ½% more power over

the life of a plant

Environmental Controls

Able to lower emissions by 70% more than the world’s most

stringent emission standards

Driving towards

Environmental Controls

LOWER ENVIRONMENTAL FOOTPRINT

500 GW eq. & 5000 industry systems

REDUCED COMPLIANCE COST More than 90 years of experience

FLEXIBILITY & RELIABILITY

Innovation, flexibility & robustness

SOx

>98% NOx

≥95%Particulates

99.9%

TECHNOLOGY READY TO RESPOND TO INCREASING ENVIRONMENTAL STANDARDS

POLLUTANT REMOVAL RATES

GE SIR for ESPs

Up to 60% decrease on ESP dust emissions

Compact size, no cabinet required

Smaller sized cables

Installation & comm. in ½ day vs. several days for conventional T/R

Efficiency >95%

Modular design & standardized spare parts –minimal downtimes

Switched Integrated RectifierHigh voltage power supply combining a transformer/HV rectifier (T/R) and control system for energizing and controlling electrostatic precipitators (ESPs)

Key Reference: 32 SIRs 70 kV / 800 mA

-300k$/y OPEX on energy savings

SO3 conditioning system removed: • additional savings in operation & maintenance• Possibility to comply to future Mercure limitations

11% stack opacity reduced to 1.6% Weight Input ph. Pw. factor Ripple Arc shtdwn

Conventional

technology T/R set

1,200-3,000 kg

(cabinet incl.)

1-phase cos φ =

0,63

30% 10 ms Thyristor

50 Hz

High frequency

technology SIR unit

240-500 kg 3-phase cos φ =

0,92

<1% 10 μs Transistor

25-50 KHz

GE Mega-FF Technology

Up to 10% savings on CAPEX vs designs using shorter bags

Lower emission guarantees

Reduced footprint

Reduced bag wear on bag top

Enhanced ash transport to hoppers during cleaning

Improved gas distribution and gravimetric flow in bag nests

Optipulse® & Optipow®Optimized valves and pulsing technology allowing uniform pressure along the bags resulting in more effective cleaning and longer bag life

Gravimetric flow & nozzle designUnique gas distribution arrangement in each compartment, with flow covering the full cross section area and following larger radius on turns

Manjung 4, 1000 Mwe ultra-supercritical, Malaysia

24 000 PPS/PPS w. PTFE treatment bags, 10 m long. Stack PM emission 1.6 mg/Nm3 dg at guarant. test.

Lomellina Energia WtE Plant, Italy

1600 PI-PTFE/PTFE w. intrinsic PTFE coating bags, 9 m long. Stack PM emission always < 1 mg/Nm3 dg.

Key References

GE ADIS & IsoSwirlTM for SCR

CAPEX reduction from 2% to 3% of total EPC cost

OPEX energy saving ~ € 110,000/y (ref. 210 MWe Unit)

No external heat required for the evaporation

Reduced maintenance

Smaller footprint requirements

Global Mixer(if necessary)

CatalystRectifierGlobal Mixer

ADIS NH3 injection

NH3 Flow control

Compressed air flow control

Barrier air

Ammonia Direct Injection SystemInjects aqueous ammonia via spray nozzles directly into the hot flue gas in the flue gas ducts without any external conditioning (evaporation, dilutions)

IsoSwirlTM

Global mixing system guarantying a good mixing of gas velocity, temperature, NOx concentration and ammonia/NOx ratio distributions at the catalyst inlet

Key Reference: Plomin 2 SCR

Boiler Outlet

ADIS

IsoSwirlTM

SCR

Total Savings

-200k€ CAPEX

-2% EPC costs

-170k€/y OPEX @0.15€/kW

DFGD: GE LLD for NID

Reduction/elimination of flue gas recirculation

Extended operating envelope for the NID

Improved operation stability at low load

OPEX energy savings from booster/ recirculation fan

Device for low load operationRobust design of disperser plate and mixer water lances:

Movable disperser plate controlling duct opening area for sufficient gas velocity at low gas flow

Dual-fluid deflector nozzles maintaining spray distribution at a wider water flow range

Zilina, Slovakia

Bygdoczsz, Poland

Key References

DFGD: GE Hydrator for NID

Mixer

Distribution stage

Hydration stage

1 of 4 installation arrangements

2-stage axial flow hydratorPlug-flow design for high-performance hydration

Improved lime-feed control

New release, available for tendering.

Key References

OPEX savings

Higher quality of hydrated lime

Up to 5% reduction on lime consumption

Improved availability and accessibility

Reduced maintenance

WFGD: 3G OST Design

95% to 99+% SOx removal

CAPEX reduction from 5 to 10% compared to 2nd Generation (2G)

OPEX energy savings from 10 to 20% vs. 2G

Reduced maintenance costs due to fewer mechanical equipment

Particulate emission reduced inside the absorber

Spray zone advanced designDual flow nozzles increasing SO2 removal rate

High nozzle density improving SO2 removal & particulates emission levels

PEP (wall rings) reducing SO2 emissions > 40% at the same L/G

Improved mist eliminators for higher gas velocities (up to 4.5 m/s)

Key References

Gas Flow

Nozzle Location

Sneakage areasGas Velocity Profile

Craiova, Romania

Rybnik, Poland

Opole, Poland

WFGD: SulfiTrac™

Up to ~ 50% OPEX energy saving

Compact size

Shorter installation & comm. time

High corrosion resistance

Simplified operation

Minimal maintenance

GE Sulfite AnalyzerRobust design: stainless steel casing, heavy duty HDPE outer vessel with conical bottom, inner sample container using overflow bucket concept in different sizes, and wetted electrode/ring with rotating cleaning block.

Key References

Size Weight Control box Probe Op. Tª Pw. Supply Signal

Ø0.3m L1m ~20kg NEMA 4

rated

Platinum

surface

-10⁰C to

+70⁰C

24 VDC

~25 W

4-20 mA

output, RTD

Craiova, Romania

Rybnik, Poland

Opole, Poland

Digital CapabilitiesDIGITAL ENVIRONMENTAL CONTROLS

Delivering better performance, greater efficiency & improved reliability over the life of the plant

Automated reporting/trends for each equipment & at fleet level

Feedback to NPI

Advanced warning of downward trend

Monitoring & alerts if KPI goes red

Insights / actions to get «back to green»

Push parameter changes to optimize ECS equipment based on other asset behavior

Collect data to improve knowledge base

Temperature reasoner for NID

Mechanical failure detection for ESPs

Examples of applications

The winning equation

13

EFFICIENCY +leading

EMISSIONS =lower

ECONOMICSbetter

1% point efficiency improvement

22MW Power Output$30 Million NPV Over Asset Life67,000 Tons Coal Consumption120,000 Tons CO2 Emissions

Per year figures for a 1000 MW plant, ~3,000,000 tons coal consumption

Full plant optimization

Lower lifecycle cost

Profitable growth

Improved delivery time

Access to financing

Environmental Compliance

Reduced CO2 Emissions

Better Air Quality

Local Project Support

DELIVERING MORE VALUE FOR OUR CUSTOMERS