PAC modified with oxidation can increase the adsorption effect of polar organic matters in water,while PAC modified with reduction can increase the adsorption effect of hydrophobic organic matters in water.

• 粉末活性炭(PAC)经氧化改性后其表面极性增强,可提高对水中极性有机物的吸附效果; 而PAC经还原改性后则增强了其疏水性,有利于其对水中疏水性有机物的吸附。