Abstract
In this paper, a new type indoor air filtration material was developed using three raw materials (wool, carbon fiber and activated carbon powder). Optimum fabrication parameters were adopted in needle-punched process to fabricate the air filtration material. The effect of carbon fiber, wool layer number and activated carbon powder content were analyzed in thermal stability test and formaldehyde removal test, and results showed the addition of carbon fiber enhance the thermal stability, and synergistic effect of wool and activated carbon powder played an essential role in formaldehyde sorption process.
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