以甲醛为例，介绍了光化学反应、吸附作用和光催化氧化作用对挥发性有机化合物降解过程的作用机理；
Taking formaldehyde as example, degradation mechanisms of photochemistry reaction, adsorption and Photo-Catalytic Oxidation(PCO) on Volatile Organic Compounds(VOCs) are presented respectively.
这分别是由于亲水硅胶表面羟基的苯基化作用以及苯基化硅胶的有机化层的破坏所致。
This is due to the phenylation of surface hydroxyl groups of hydrophilic Silica gel and the destruction of organized layers of phenylated Silica gel respectively.
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