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Posted by BT Bill on November 07, 2003 at 10:24:45:
In Reply to: the costs of scale in boilers posted by Michael on October 22, 2003 at 08:32:47:
: Gee Michael, I have been running utility boilers for going on twenty years and never de-scaled a boiler. That is pretty much a thing of the past anymore with the exception of very small heating boilers.
Now to achieve and maintain a scale free boiler requires a well run chemistry program. My current costs for boiler chemicals alone (500 MW Plant) is averaging about $40,000 a year. I hope this was helpful.
You may be hard pressed finding data for large boilers, as scaling isn't as frequently encountered with them anymore.
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