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Station for complex water treatment SKO-10K. One of the first steps in most conventional water purification processes is the addition of chemicals to assist in the removal of particles suspended in water. Particles can be inorganic such as clay and silt or organic such as algae, bacteria, viruses, protozoa and natural organic matter.
The chlorination of the water supply helped stop the epidemic and as a precaution, the chlorination was continued until 1911 when a new water supply was commissioned. [7] Manual Control Chlorinator for the liquefaction of chlorine for water purification, early 20th century. From Chlorination of Water by Joseph Race, 1918.
Chlorine dioxide is also superior to chlorine when operating above pH 7, [17]: 4–33 in the presence of ammonia and amines, [28] and for the control of biofilms in water distribution systems. [25] Chlorine dioxide is used in many industrial water treatment applications as a biocide, including cooling towers, process water, and food processing ...
1. Mix an oxygen bleach solution: To activate oxygen bleach, dissolve the correct dose in water using the packaging instructions as a guideline. Oxygen bleach works best when dissolved in hot ...
A 12% solution is widely used in waterworks for the chlorination of water, and a 15% solution is more commonly [39] used for disinfection of wastewater in treatment plants. Sodium hypochlorite can also be used for point-of-use disinfection of drinking water, [ 40 ] taking 0.2–2 mg of sodium hypochlorite per liter of water.
Sodium hypochlorite (NaClO), usually as a 3–6% solution in water, usually called "liquid bleach" or just "bleach". Historically called "Javel water" (French: eau de Javel). It is used in many households to whiten laundry, disinfect hard surfaces in kitchens and bathrooms, treat water for drinking, and keep swimming pools free of infectious ...