STAGES OF CLEAN WATER PRODUCTION IN REVERSE OSMOSIS SYSTEM
1st Stage: 5 micron pp sediment filter. The pre-sediment filter retains suspended materials and particles in the water and protects succes- sive filtrations, especially the membrane filter. (1 mm=1000 micro .
2nd Stage: Activated carbon filter removes pol- lutants, which are harmful to human health and membrane filter, by retaining organic substances and high amounts of cancerogenic chlorine and chlorine compounds.
3rd stage: Block carbon filter is used for more sensitive particle filtration to retain the suspen- ded materials in the water.
4th stage: Membrane filter. The semi-permeable membrane with 8-12 angstrom pores retains bacteria, viruses and heavy metals in the water at 95-98% and pollutant runs to the drainage through wastewater part of membrane.
5th stage: Last carbon filter (post carbon). Water runs through the carbon filter at the last stage to provide clean and extremely safe drinking water.