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Increasing Efficiency = Reducing Losses:<br />
Exhaust Losses<br />
• Utilize feed-water economizer for built-in<br />
waste heat recovery<br />
• Feed-water economizers increase efficiency by<br />
capturing waste exhaust gases to preheat feedwater<br />
entering the boiler<br />
FUEL<br />
IN<br />
Fuel-to-Steam<br />
Efficiency<br />
IN-SERVICE<br />
EFFICIENCY<br />
• Boiler efficiency can be increased by 1% for<br />
every 40 o F decrease in stack gas temperature
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