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Activated Carbon Filter

Activated Carbon Filter (AC) is a natural material derived from bituminous coal, lignite, wood, coconut shell etc., activated

by steam and other means, and each one have different adsorption properties (e.g. bituminous carbon for high chlorine

reduction capacity). We also use various blends of Carbon to achieve specific water quality and contaminants reduction

(e.g.coconut shell carbon for "sweet taste").

Rapid Gravity Sand

Filter The rapid gravity sand filter is a type of filter commonly used in municipal water treatment facilities. Rapid sand filters

use relatively coarse sand and other granular media to remove particles and impurities that have been trapped in a floc

through the use of flocculation chemicals - typically salts of aluminium or iron. Water and flocs flows through the filter

medium under gravity pressure and the flocculated material are trapped in the sand matrix.

Rapid filters are usually built open with the water passing down the filter but by gravity. It has a filter rate of 4 – 8

m3/m2/hr. The tank is made of concrete with a depth of 3.0 to 3.5m. Coarse sand of size 0.4 to 1.5mm is used as the filter

medium.

ScreenFilter

A screen filter is a type of filter utilizing a rigid or flexible screen to separate sand and other fine particles out of water for

irrigation or other applications. Typical screen materials include stainless steel (Mesh), polypropylene, and nylon.