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Magnesium Hydroxide

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ksprague

ksprague

Mechanical
Joined
Sep 1, 2002
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Does anyone have any experience injecting Magnesium Hydroxide into a coal fired furnace to aid in the reduction of slag formations? Seems like it works on humans! [wink]
 
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As I recall, this was the wonder chemical treatment put out by Appollo Chemical (now defunct?) back in the early '80's... slick salesmen, product may have worked, but the residual plugged up backpasses and preheaters faster than Imodium in humans....

Interested in any experiences contrary....
 
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Those words are hauntingly familiar !!!! Maybe they have ovecome the problems encountered long ago (either that or the players are the same???)... [I know where the Hugo plant is -- I'll have to check out the validity of the report...]
 
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Thanks again pablo02! If you find out anything please let me know. ksprague@mpw.org
 
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Depending upon the fusion temperature of the coal, adding Mag can help or hurt the slagging potential of a given coal.

Refer to the B&W Stem Book, 40th edition pg 20-8 fig 7. Low levels and high levels of Basic Components will raise the as fusion temperature.

Remember, Cold ESP's do not like Mag. so you opacity might increase
 
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