6 Principles of Water Purification Crossword Puzzle

QUESTIONS LIST:

• sedimentation: filtration and _ are methods of clarification
• millbank: type of bag used for filtration
• deviation: chlorine _ is when the chlorine attacks the larger pieces of sediment before the smaller pieces
• normal: the contact period would be 15 mins under what circumstances?
• detaste: the process of removing chlorine from water to make it palatable.
• clarification: second principle
• hypochlorite: calcium _ 65% is the chemical used for disinfection
• thiosulphate: sodium _ is the chemical used to remove chlorine from water
• eight: what is the initial dose of chlorine in ppm?
• quantity: when selecting an appropriate water source, we are looking for quality and?
• five: how much residual chlorine do we want when testing (ppm)?