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INTRODUCTION FACTS ABOUT WATER Question 1 What impurities may be carried by water?
How are the various substances carried in the water?
How can the actions and reactions of the elements be followed?
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action added alkalinity aluminum anion batch bicarbonate blowdown boiler water boiler-feedwater conditioning boiler-water CaCO3 calcium and magnesium calcium carbonate calcium sulfate called carbon dioxide carbonic acid carryover cations caustic soda chemicals chemist coagulation color compounds concentration condensate contain corrosion cracking cyclohexylamine deaerator demineralized deposits disodium phosphate dissolved oxygen dosage electrical elements end point equation exchanger feedwater film floc heater heating plants hot water hot-water system hydrogen ion idle boiler impurities ionized iron oxide less lime magnesium hydroxide makeup water metal mineral morpholine needed particles percent pH value phosphate pipe pitting Potassium pounds precipitate prevent scale quebracho tannin question regenerated remove resin return lines salt sample scheme seam silicate sludge small amount soda ash sodium chloride sodium hydroxide sodium sulfite soluble steam substances sulfuric acid tank tannin temperature test solution tion titration tube unit weight usually water carries water to form zeolite zeolite softener