Ecology for China

This project belongs to urban industrial contaminated sites remediation. There are 300,000 to 500,000 industrial contaminated sites in China, with organic contaminated sites accounting for more than 70% and keep increasing in recent years. Such contaminated sites are generally widely distributed and involve a variety of industries, in which the pollutant composition is complex, leading to significant combined pollution, and the pollutants are present in both water and soil, with complicated distribution characteristics. Therefore, the key remediation technologies for such sites are the scientific and technological basis for implementing the guiding principle of in-situ disposal of Soil contaminated Prevention and Control Action Plan as well as helping achieve the goal of carbon peaking and carbon neutrality. It has broken through the technical problems of poor restoration effect of heterogeneous and low permeability organic pollution sites and the application bottleneck problems of high energy consumption and high cost of traditional remediation technology, achieving the localization of environmental remediation equipment. This improved the use efficiency of equipment by more than 30% and saved energy consumption by more than 40% compared with traditional environmental remediation technology. The project has been identified as the international leading level by professional organizations. The technical achievements of this project have successively awarded 41 Chinese invention and utility model patents, been selected as the key environmental protection practical technology of China, won the Beijing New Technology and New Product certification, the China Science and Technology Progress Award, the Chinese Academy of Sciences Science and Technology Promotion Development Award, China Environmental Protection Science and Technology Award, etc. The technical achievements of the project have been applied to the remediation of more than 170 industrial contaminated sites in Chinese cities, about 10 million m³ of contaminated soil and 3 million m³ of contaminated groundwater have been repaired. In the last three years, more than 2 billion yuan of investment has been driven and about 5 billion yuan of contaminated site restoration funds have been saved. It has realized the safe reuse of more than 3 million contaminated land, and is expected to achieve more than 20 billion yuan of land appreciation. In summary, the project has significant economic, social and environmental benefits.