Study on Effect Factors of Filtrating Properties of the Polypropylene and Basalt Filament Woven Filter Cloth

Abstract

Polypropylene filament was used as the warp yarn, and respectively Basalt filament and Polypropylene filament was applied to the weft yarn, several samples were woven in different organizational structure. Then the effect factors of filtration were tested, and permeability, abrasion resistance and air permeability of these samples were measured, filtration resistance was evaluated indirectly through the Flow Tester. How the influence of the performances of raw material the filtrating properties of the samples were investigated, which based on the above experiment, as well as the other factors. The results show that permeability and air permeability had little change in the same process parameters, however, abrasion resistance of the samples by basalt filament significantly were superior to the performance of polypropylene filament.

Preparation of activated aluminum-coated basalt fiber mat for defluoridation from drinking water

“…Furthermore, BFM is a kind of hightemperature filter materials for the purification of liquids and gases for its excellent high-temperature resistance, stability in salt water, alkaline and acidic media [21]. BFM has typically a crystalline-amorphous porous structure with large specific surface area and contains 46-52 % SiO 2 , 11-18 % A1 2 O 3 , 7-12 % MgO and 6-12 % CaO, and the remainder residues are metal oxides; most of them were used to modify AA in order to improve its adsorption capacity and regeneration capability [6,22,23].…”