Hydrazine Hydrate is used as Oxygen Scavenger in High Pressure and Low Pressure Boiler.
Hydrazine Hydrate is commonly used has Oxygen Scavenger in Hp and LP Boiler. The measurement of dissolved oxygen in boiler plants plays a vital role if the plant is to run efficiently and to be cost effective, with minimum down time. Even small quantities of dissolved oxygen in boiler water are capable of causing severe pitting in boilers of all pressures, and will reduce the boiler life dramatically. In boilers where high chloride levels exist, the effect of oxygen corrosion is increased. Therefore, the need to reduce dissolved oxygen content to a very low level is even more important. This can be done by using Hydrazine hydrate , one of the properties of hydrazine is that it is an oxygen scavenger, and because of this hydrazine is dosed into
the boiler system to remove the remaining trace levels of dissolved oxygen. Because the water dissolved oxygen will cause corrosion of boiler tube wall. The use of hydrazine hydrate in boiler feed water not only reduce the dissolved oxygen content, also prevent the formation of copper iron scale and scale in the boiler.
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