Gas Turbine Solutions for Greenhouse Gas Emissions Reductions
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Gas Turbine Solutions for Greenhouse Gas Emissions Reductions David Schnaars Manager, Environmental Strategies. Solar Turbines Incorporated. Based in San Diego, California, U.S.A. In Business since 1927 More than 12,000 Gas Turbines Operating in 93 Countries

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Gas Turbine Solutions for Greenhouse Gas Emissions Reductions David Schnaars Manager, Environmental Strategies

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Gas Turbine Solutions for Greenhouse Gas Emissions Reductions

David Schnaars

Manager, Environmental Strategies


Solar Turbines Incorporated

  • Based in San Diego, California, U.S.A.

  • In Business since 1927

  • More than 12,000 Gas Turbines Operatingin 93 Countries

  • More than 1.2 Billion Fleet Operating Hours

  • World’s Largest Manufacturer of IndustrialGas Turbines (1 to 15 MW Range)

  • Subsidiary of Caterpillar Inc. since 1981


SATURN

CENTAUR

Centaur 40

Centaur 50

3 515 kW

4 600 kW

Saturn 20

1 210 kW

Gas Turbine-Generator Product Line

MARS

TITAN

Taurus 60

5 500 kW

Mars 90

Mars 100

9 450 kW

10 690 kW

Titan 130

15000 kW

Taurus 70

7520 kW

MERCURY

Mercury 50

4 600 kW

TAURUS

Taurus 65

6300 kW


Newest Gas Turbine-Generators

MERCURY

Mercury 50

4 600 kW

TAURUS

Taurus 65

6300 kW


Mercury 50 Performance

  • Power: 4600 kWe

  • Efficiency: 38.5%

  • Heat Rate: 9349 kJ/kW-hr

  • Exhaust Temperature: 374 ºC

  • NOx Emissions: 5 ppmv with Ultra Lean Premix (ULP) Combustion


Recuperated Cycle

Turbine designed for recuperated cycle

  • Improved thermal efficiency

  • Lower emissions

  • Lower system product costs


Efficiency Comparison

Mercury 50

40

38

36

Thermal Efficiency (%)

34

32

Turbine C

Turbine E

Turbine B

Turbine D

Turbine F

30

Turbine A

28

3500

4000

4500

5000

5500

6000

6500

7000

7500

8000

8500

Power (kW)

SOURCE: D&GTWW 2004


Emissions Comparison

Low Emissions Signature

Mercury 50 @ 5 ppm NOx

Centaur Simple Cycle Gas Turbine @ 25 ppm NOx

Gas Fired Reciprocating Engine @ 0.5 g/bhp-hr

0 0.25 0.5 0 .75 1.0

kg/MW-hr


Mercury 50 Genset Package

  • Compact

  • Fast Installation

  • Self-Contained

  • Low Noise Profile


Landfill Applications

  • High efficiency = Low CO2 Emissions

  • High efficiency = Generated Power Can Displace Conventional Generation at Higher CO2 Levels

  • Compact

  • Fast Installation

  • Self-Contained

  • Low Noise Profile

  • Criteria pollutant Levels Comparable to Flare Stacks

  • Lower Maintenance Costs


Taurus 65 Performance

TAURUS 65 Performance

  • Power: 6300 kW

  • Thermal Efficiency: 32.9%

  • Heat Rate: 10,947 kJ/kW-hr

  • Exhaust Temp: 549 0C

  • NOx Emissions: <15 ppmv with SoLoNOx Combustion


CO2 Savings

(T/Yr)

CHP Fuel

Savings

(GJ/hr)

Taurus 65 Savings Over Grid

6.1 MW from Combined Cycle Power Plant with Steam from Conventional Boiler Compared to Taurus 65 CHP Plant

25

9000

8500

23

8000

21

7500

19

7000

CO2 (Tons)

17

6500

6000

15

5500

Fuel flow (GJ/Hr)

13

5000

11

4500

9

4000

4.1

6.3

9.5

12.6

Steam Production (kg/s)


Taurus 65 for Combined

Heat & Power (CHP)

Available exhaust heat = 42.2 GJ/h

At full power (6300 kW):

  • Unfired Steam Flow = 4.1 kg/s (82.0% eff.)

  • Steam flow fired to 871 oC = 7.6 kg/s (86.6% eff.)

  • Steam Flow Fired to 1538 oC = 16.2 kg/s (90.9% eff.)

Conclusion –

The Taurus 65 is an Excellent Engine for CHP Applications


MERCURY

Mercury 50

4 600 kW

Or the combined production of both electrical power and heat

TAURUS

Taurus 65

6300 kW

Gas Turbine Solutions for Greenhouse Gas Emissions Reductions

Solar has two gas turbine products particularly well-suited to GHG reduction:

Whether for destruction of and power generation from landfill gas methane


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