SUBJECT: Some more about condensate 10-7

What is condensate?

Where does condensate come from?

We want to keep dissolved oxygen out of condensate. Why?

TEMPERATURE °F.
TEMPERATURE °C.
PPM DISSOLVED OXYGEN

30

1

10 ppm

90

32

5 ppm

120

50

4 ppm

150

65

3 ppm

180

82

2 ppm

210

100

0 ppm

The average level detected in condensate receivers is three parts per million. This is almost one thousand times greater than the five parts per billion level that can induce pitting corrosion.

How does oxygen get into the condensate system?

How do you get rid of the dissolved oxygen?

Why are we concerned about carbon dioxide in condenste systems?

Where does the CO2 come from?

Why do we have to use so much "make up" water in our boiler ?

What are some methods for conserving condensate?

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