What chemical innovation allowed for more precise dosing than bleaching powders?
Answer
Liquid chlorine and chlorine gas
The shift from using variable-strength bleaching powders to liquid chlorine and chlorine gas significantly improved the reliability and accuracy of water disinfection. These technologies required specialized containment and metering equipment, which allowed water treatment facilities to control dosages more precisely and manage disinfection byproducts effectively, moving toward modern system standards.
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