硅藻土加入PFS液体后制备成改性硅藻土,用于垃圾渗滤液的预处理。结果表明,每100g硅藻土投加8mLPFS制备的改性硅藻土处理垃圾渗滤液效果最好,当投加量为3g/L时,COD的去除率可达45%,并可提高渗滤液的可生化性,同时对色度、氨氮和重金属都有一定的去除效果,具有一定的工程应用价值。
The research on the pretreatment of landfill leachate is carried out by using the modified dlatomite added PFS liquid. The rusults show that the best treatment effect can be achieved when the dosage of PFS is 8 mL/100 g diatomite. The removal rate of COD could come up to45% when the dosage is 3 g/L and the biodegradability of leachate can be improved, meanwhile chrominance, ammonia nitrogen and heavy metal of leachate can also certainly be removed and so it is valuable for engineering application.