What is condensate return and why is it used?

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Multiple Choice

What is condensate return and why is it used?

Condensate return is the practice of sending the liquid water that forms when steam cools back to the boiler to be reused as feedwater. This keeps energy in the system because that condensate is already hot, so returning it preheats the incoming feedwater and reduces the energy the boiler must supply to make more steam. As a result, fuel use goes down, the amount of makeup water you need decreases (which saves water treatment and handling costs), and thermal stress and corrosion in the boiler and steam lines are reduced. It’s about reclaiming heat and water from the steam cycle rather than wasting it. Venting condensate to atmosphere wastes both energy and water; storing it separately or using it as fuel doesn’t accomplish the same heat-recovery goal.

Condensate return is the practice of sending the liquid water that forms when steam cools back to the boiler to be reused as feedwater. This keeps energy in the system because that condensate is already hot, so returning it preheats the incoming feedwater and reduces the energy the boiler must supply to make more steam. As a result, fuel use goes down, the amount of makeup water you need decreases (which saves water treatment and handling costs), and thermal stress and corrosion in the boiler and steam lines are reduced. It’s about reclaiming heat and water from the steam cycle rather than wasting it. Venting condensate to atmosphere wastes both energy and water; storing it separately or using it as fuel doesn’t accomplish the same heat-recovery goal.

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