Method and system for increasing Modified Wobbe Index...

Details Method and system for increasing Modified Wobbe Index... Method and system for increasing Modified Wobbe Index...

2011-03-15

2011-03-15

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

With exhaust treatment

Reexamination Certificate

active

07905082

ABSTRACT:
A system and method for controlling the temperature of a fuel gas. The system and method includes mixing an intermediate pressure feedwater stream from the heat recovery steam generator with a high pressure feedwater stream from the heat recovery steam generator, then using that mixture to heat the fuel gas mixture. The system and method may provide for improved control over the Modified Wobbe Index of the fuel gas, which may allow for greater variation in the composition of the fuel gas.

REFERENCES:
patent: 4288979 (1981-09-01), Liljedahl et al.
patent: 6920760 (2005-07-01), Schottler et al.

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