Feed-water purity requirements therefore can vary widely. A low-pressure fire-tube boiler can usually tolerate high feed-water hardness with proper treatment while virtually all impurities must be removed from water used in some modern, high-pressure boilers.
Overview23-09-2016· Certain polymers and filtration methods are effective for solids removal. Filtering the feed water for suspended solids should be considered for high-pressure boilers. Technologies such as microfiltration and ultrafiltration are excellent choices for removing suspended solids and colloidal suspensions such as colloidal silica.
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26-09-2016· A boiler feed water treatment system might be made up of the technologies necessary to remove problematic dissolved solids, suspended solids, and organic material, including any number of the following: Iron: either soluble or insoluble, iron can deposit on boiler parts and tubes, damage downstream equipment, and affect the quality of certain
Feedwater must be pretreated to remove impurities to control deposition, carryover, and corrosion in the boiler system. Poor quality water gives poor quality steam. The first step in any treatment is filtration of suspended solids.
Click to view on 1:1703-02-2015· Boiler feedwater often contains inorganic salts, dissolved impurities, and foreign particles, which generate corrosion problems and decrease efficiency due to damage to heat transfer surfaces.