Transcription of CHAPTER 5 WATER TREATMENT PLANT - CPHEEO
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CHAPTER 5 WATER TREATMENT PLANT - CPHEEO
INTRODUCTIONW ater to be supplied for public use must be potable , satisfactory for drinking purposesfrom the standpoint of its chemical, physical and biological characteristics. Drinking watershould, preferably, be obtained from a source free from pollution. The raw WATER normallyavailable from surface WATER sources is, however, not directly suitable for drinking objective of WATER TREATMENT is to produce safe and potable drinking of the common TREATMENT processes used in the past include Plain sedimentation,Slow Sand filtration, Rapid Sand filtration with Coagulation-flocculation units as essentialpretreatment units.
and rapid mixing facilities, and (2) Sedimentation Units to handle the effluent from the Coagulation-flocculation units. 2. Filter units. ˘ There are a number of other categories of filtration plants but not of common use. Of these Pressure filters are used for small treatment plants or industries. Roughing filters may be used CHAPTER 5 WATER ...
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