Abstract:
It is a big challenge to remediate the left contaminated sites which caused by the relocation of so many factories and companies, especially for the volatile organic compounds (VOCs)-contaminated sites. The engineering remediation techniques (ERTs), being relatively mature, have been widely used in foreign contaminated sites. However, there are few cases in China. It is still a challenge for those who remediate the contaminated sites to select the best available techniques based on their own economic and social development levels. In order to promote the application of ERTs in the contaminated sites of China, the major types and the technical principles of ERTs for VOCs were reviewed, and the technologies contents, remediation periods and costs compared. The engineering applications and development trends of various ERTs for VOCs were discussed, combined with the applications in US superfund sites in nearly 30 years.