Description

Holding stable chemical characters , anti-friction, anti-corrosion, high resis-temperature, specific surface area is bigger, stronger intercepting ability, good absorbing, size of grain is uniform, suitable specific gravity. Its service life can be long, solved the single specific density of natural grain and the problem of air would polluted second time came from silica and organic-carbon because of the natural grain is easy broke. It can be wildly used in the single-layer and multiplayer setting basin, as the filter medium. It can be used to dispose all kinds of polluted water or used in the industry, and top-water and sewage of city, pure water, soft water. It also can be used in the filter dirt catcher to dispose all kinds of industry power dusts and chimney of boiler.