Firstly,the causes and existence state of soil pollution in metal mines were discussed.Secondly,the remediation technology of heavy metal contaminated soil was introduced.Thirdly,the remediation strategies for soil po...Firstly,the causes and existence state of soil pollution in metal mines were discussed.Secondly,the remediation technology of heavy metal contaminated soil was introduced.Thirdly,the remediation strategies for soil pollution in metal mines were analyzed.Finally,the problems and development direction of soil pollution remediation and control in metal mines were discussed.展开更多
A modified comprehensive evaluation system of groundwater pollution based on Fuzzy set theory is introduced.In this evaluation system,a five-degree membership function and a comprehensive weight function are built by ...A modified comprehensive evaluation system of groundwater pollution based on Fuzzy set theory is introduced.In this evaluation system,a five-degree membership function and a comprehensive weight function are built by combining Delphi method with double weight method.By studying a typical engineering project,the features and advantages of the modified evaluation system are analyzed by comparing to the popular simple comparison method.This indicates that the weighted average model is applicable in the situation that the content of every evaluation factor is even and the evaluation aim is to externalize the contribution of every evaluation factor in groundwater environmental quality.展开更多
The investigation and evaluation of site contaminated soil were mainly conducted.Firstly,investigation measures of site contaminated soil were proposed,including increasing attention to the production process of the o...The investigation and evaluation of site contaminated soil were mainly conducted.Firstly,investigation measures of site contaminated soil were proposed,including increasing attention to the production process of the original enterprise,investigating the types of pollutants on the site,clarifying the key points of different environmental investigations,and refining the initial record of site pollution investigation.Secondly,the key points of the risk assessment of site pollution were discussed.Finally,a specific case analysis was conducted,mainly covering the introduction of a contaminated site,investigation and evaluation methods,etc.,aiming to promote the smooth progress of the investigation and evaluation of site contaminated soil,and solve the problem of site pollution smoothly based on the in-depth perspective.展开更多
文摘Firstly,the causes and existence state of soil pollution in metal mines were discussed.Secondly,the remediation technology of heavy metal contaminated soil was introduced.Thirdly,the remediation strategies for soil pollution in metal mines were analyzed.Finally,the problems and development direction of soil pollution remediation and control in metal mines were discussed.
文摘A modified comprehensive evaluation system of groundwater pollution based on Fuzzy set theory is introduced.In this evaluation system,a five-degree membership function and a comprehensive weight function are built by combining Delphi method with double weight method.By studying a typical engineering project,the features and advantages of the modified evaluation system are analyzed by comparing to the popular simple comparison method.This indicates that the weighted average model is applicable in the situation that the content of every evaluation factor is even and the evaluation aim is to externalize the contribution of every evaluation factor in groundwater environmental quality.
文摘The investigation and evaluation of site contaminated soil were mainly conducted.Firstly,investigation measures of site contaminated soil were proposed,including increasing attention to the production process of the original enterprise,investigating the types of pollutants on the site,clarifying the key points of different environmental investigations,and refining the initial record of site pollution investigation.Secondly,the key points of the risk assessment of site pollution were discussed.Finally,a specific case analysis was conducted,mainly covering the introduction of a contaminated site,investigation and evaluation methods,etc.,aiming to promote the smooth progress of the investigation and evaluation of site contaminated soil,and solve the problem of site pollution smoothly based on the in-depth perspective.
