Funct. Mater. 2022; 29 (4): 546-552.


Investigation of the properties of a filter material made of composite basalt fiber

Fuyong Tang, Hua Li

Architectural Engineering Institute, Huanghuai University, 463000 Zhumadian, Henan, China


In this paper, the ecological degradation filter material was prepared by mixing natural coniferous wood fiber and basalt fiber, and the relationship between material structure, filtration rate, pore size and fiber content was studied. The results show that when the spunlace pressure is too high, the vertical and horizontal strength drops faster. The basalt fiber composite needle-punched filter material has excellent acid resistance. The basalt coated filter media has high filtration efficiency, good air permeability, high breaking strength and good filtration performance.

basalt fiber, filter, performance.
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