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Posted by sabir ali on December 28, 2005 at 12:58:43:
In Reply to: working of hydrazine and trisodium phosphate posted by maja on December 10, 2001 at 09:15:22:
: tri sodium phosphate and hydrazine are used for the removal of oxygen from boiler feed water.how these chemical work. will they dirctly combine with oxygen or will produce some kind of protective layer on boiler metal surface.secondly if boler feed water is heated in a shell type feed water tank of copacity 5 tons and that is laying horizontly upto 212 f , 75 percent filled, will this heating will cause the dearation of water and upto what extant.will it be further needing to add chemicals for complete removal of oxygen.
: thanks and regard for sugesstions.
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