Persistent organic pollutants (POPs) has the typical features of persistence, long-range transport, biological accumulation and high toxicity, so that POPs contaminated sites have posed much risk to human health and environment, which is in urgent need of improvement. At present, there are many international advanced remediation methods and engineering practices, but it has not formed the mature remediation technology system in China. Through studying the international concrete examples of remediation technologies, the paper completely reviews the attributes and characteristics of various technology methods, puts forward preliminary technology management system for the remediation of POPs contaminated sites, then provides methodology process for screening the treatment technologies for POPs contaminated sites in China.

Naphthalene was used as a characteristic kind of organic pollutant in migrating-and--transforming process in groundwater. Added gravel sand and fine sand which are commonly found in the underground environment in two simulated columns, analyze its migration and transformation consequence by simulating adsorption characteristics experiment. The results show that, Freundlich isotherm adsorption equation can better describe the outcome of adsorption process for naphthalene, the KF are 0.9954 and 1.0481. Fine sand for naphthalene adsorption effect is stronger according to this experiment, and the quantity is 0.029 mg•kg-1. In the migrate process of naphthalene, fine sand has an obvious retarding effect, the factor Rd=41.43.