Sources and Remediation Technologies of Soil Radioactive Contamination

Journal: Architecture Engineering and Science DOI: 10.32629/aes.v4i1.1163

Xueli Mao

Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China

Abstract

Soil is an important part of the human environment. With the development of nuclear industry, soil radioactive pollution has aroused widespread concern in society. With the continuous expansion of the field of nuclear energy utilization and the rising risk of nuclear accidents, a series of nuclear safety problems and hidden dangers need to be resolved urgently. In the process of nuclear energy development and utilization, improper use of radioactive materials or irresistible factors will lead to leakage of radionuclides into the natural environment. After radioactive pollutants enter the atmosphere and water bodies, radioactive nuclides contaminate the soil through sedimentation and water flow, or sudden nuclear accidents directly cause radioactive contamination of the soil. Radionuclides in soil not only cause harm to the ecological environment, but also endanger human safety through food chain enrichment. By analyzing the sources of radioactive contamination in soil and remediation technologies, suitable remediation technologies can be screened to reduce radioactive contamination in soil. The research summarizes the sources and hazards of soil radioactive pollution, and reviews the current soil radioactive pollution remediation technology, providing reference for the control of soil radioactive pollution.

Keywords

soil, radioactive contamination, source, remediation technology

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