Filtration Systems
Treating water physically eliminates substances which are not soluble in water such as sand, clay and sedimentation.
Treating water chemically eliminates organic substances which cause odor, taste and coloration in water.
Rendering water free of odor, sedimentation and color, and making it clear through Chemical and Physical Treatment phases is called Filtration.
Generally, waters with a cloudy texture and having sedimentation on their bed are considered as waters with sedimentation. Sedimentation is an undesired pollution regardless of the usage purpose of water. Parameters of sedimentation in water and coloration in water shall not be confused. Coloration in water is generally an indicator of presence of organic matters and heavy metals dissolved in water.
Sand (Multi-Media) Filters function very effectively and reliably when correctly designed and selected. However, tank internal filtration speed shall not exceed a specific level in the system design. In the case that this value is exceeded, filtration efficiency of the system will reduce and pressure loss will increase.
Widespread implementation areas of Active Carbon filters are removal of color, odor, taste and chlorine from water.
However, physical filtration process is not the only function here.
Active Carbon filters are systems that carry out physico-chemical treatment and execute absorption process while treating the water.
Active carbon is a coal-like mineral with a very large surface area (1000-1500 m²/gr). It is widely used in waters with organic pollution and for removal of chlorine. Another issue that shall be considered is the fact that it may create a suitable environment for bacteria growth. Therefore Active Carbon shall be replaced when it is saturated. Further microbiological treatment is recommended.
The filter is a standard pre-treatment system in the water treatment process. By filtering the process water through several filling materials, suspended solid matters are removed greatly.
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