two stage reverse osmosis water treatment plant in netherlands
Water treatment - The poly aluminium chloride (PAC) is used for settling of solid particles present into drinkable waters and for the flocculation of civil and industrial effluents. It has also a high antibactericide effect, due to the presence
efficiency of Alum and Poly Aluminium chloride popularly known as PAC in purification of water. Though PAC is widely used in other countries its use in India for water purification is not appreciable. The optimum dosage level of the chemicals is
