1.purification of waste water and waste gas 2.The large outside surface area products 3.Environment protection projects 1.water treatment: It is used in removal heavy metals,carcinogen,stale small,bacterium,decolor,etc2.air purification: It can used in filter ozone,SO2,NO2,flue gas,toxic gas,carcinogen,etc3.The thin diameter of the fiber has a large contact area with the adsorbate which increase ...