Further, the modification of activated carbon using sodium diethyl dithiocarbamate (SDDC) or polyethylene glycol (PEG) was done to change the adsorption efficiency of activated carbon towards VOCs.

• 此外,还利用离子型表面活性剂(二甲基二硫代氨基甲酸钠)和非离子型表面活性剂(聚乙二醇8000)对活性炭表面进行了修饰。