Transcription of CHAPTER 39 BOILER WATER TREATMENT
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CHAPTER 39 BOILER WATER TREATMENT
CHAPTER 39 BOILER WATER TREATMENTOf the many uses for energy in the United States today in industry, in trans-portation, in homes and commercial buildings the largest portion of total use isdirected toward producing steam through the combustion of fossil fuels. Utilitiesaccount for the greatest share of this, but industrial plants also produce enormousquantities of steam for process uses, often generating electric power through tur-bines as a by-product (Cogeneration).The TREATMENT of WATER for steam generation is one of the most sophisticatedbranches of WATER chemistry.
1. External treatment: Treatment of water—makeup, condensate, or both, before it enters the boiler, to reduce or eliminate chemicals (such as hardness or silica), gases or solids. 2. Internal treatment: Treatment of the boiler feed water, boiler water, steam, or condensate with corrective chemicals. 3.
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