Due to the fast-paced redevelopment of contaminated sites in developing countries,there is a lack of appropriate quantitative approaches to evaluate sustainability for the selection of remedial alternatives.In this st...Due to the fast-paced redevelopment of contaminated sites in developing countries,there is a lack of appropriate quantitative approaches to evaluate sustainability for the selection of remedial alternatives.In this study,an integrated evaluation approach for sustainability assessment was developed and applied to the site remediation of a former large-scale iron and steel manufacturing facility in China.This approach incorporated remedial duration as a distinct tier within a multi-criteria decision analysis framework.The traditional environmental,economic,and social assessments,consisting of 15 categories and 50 indicators for no action alternative,one in situ alternative,and three ex situ alternatives,were performed as the first-tier evaluation,which was then integrated with the second-tier evaluation on the remedial duration.The findings revealed that advanced in situ remediation was associated with a long duration of remedial activities,preventing stakeholders from attaining timely benefits after successful land redevelopment.Furthermore,the evaluation of sustainable remediation was correlated with sustainable development goals(SDG),supporting the conclusion that on-site/off-site treatment alternative performed well in both sustainability and timely redevelopment demands.The scoring of alternatives was further validated through uncertainty analysis,which demonstrated that the on-site/off-site treatment alternative had the highest probability of attaining the best sustainability performance.In addition,sensitivity analysis revealed that remedial duration had the strongest correlation and sensitivity in the integrated evaluation.By integrating SDG targets with the concept of sustainable remediation,this study promotes the greatest net benefit from implementing a sustainable and resilient remediation strategy.Practically,this study proposed an integrated model to promote sustainable remediation outcomes for contaminated sites in fast-developing countries and markets,while considering the constraints of remedial duration and the pursuit of ecological functions.展开更多
基金supported by the National Natural Science Foundation of China(No.32061133001)we acknowledged the cooperation between China and the European Union through the EiCLaR project(European Union's Horizon 2020,N°965945)+1 种基金In addition,this study was supported by the Eco-Environmental Engineering Research Center of the China State Construction Engineering Corporation(Soil Remediation Technology and Equipment)(No.CSCEC-PT-009)the Shandong Leading Green Industry Development Corporation,China(Green Industry and Environmental Safety Innovation and Entrepreneurship Community of Shandong Province)(No.2023-LSGTT-CX-004).
文摘Due to the fast-paced redevelopment of contaminated sites in developing countries,there is a lack of appropriate quantitative approaches to evaluate sustainability for the selection of remedial alternatives.In this study,an integrated evaluation approach for sustainability assessment was developed and applied to the site remediation of a former large-scale iron and steel manufacturing facility in China.This approach incorporated remedial duration as a distinct tier within a multi-criteria decision analysis framework.The traditional environmental,economic,and social assessments,consisting of 15 categories and 50 indicators for no action alternative,one in situ alternative,and three ex situ alternatives,were performed as the first-tier evaluation,which was then integrated with the second-tier evaluation on the remedial duration.The findings revealed that advanced in situ remediation was associated with a long duration of remedial activities,preventing stakeholders from attaining timely benefits after successful land redevelopment.Furthermore,the evaluation of sustainable remediation was correlated with sustainable development goals(SDG),supporting the conclusion that on-site/off-site treatment alternative performed well in both sustainability and timely redevelopment demands.The scoring of alternatives was further validated through uncertainty analysis,which demonstrated that the on-site/off-site treatment alternative had the highest probability of attaining the best sustainability performance.In addition,sensitivity analysis revealed that remedial duration had the strongest correlation and sensitivity in the integrated evaluation.By integrating SDG targets with the concept of sustainable remediation,this study promotes the greatest net benefit from implementing a sustainable and resilient remediation strategy.Practically,this study proposed an integrated model to promote sustainable remediation outcomes for contaminated sites in fast-developing countries and markets,while considering the constraints of remedial duration and the pursuit of ecological functions.
