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A Comprehensive Evaluation System for the Stabilization Effect of Heavy Metal-Contaminated Soil Based on Analytic Hierarchy Process

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  • Suxin Zhang

    (College of Geography and Environment, Shandong Normal University, Jinan 250358, China)

  • Cheng Hu

    (School of Mathematics and Statistics, Shandong Normal University, Jinan 250358, China)

  • Jiemin Cheng

    (College of Geography and Environment, Shandong Normal University, Jinan 250358, China)

Abstract

Stabilization technology is widely used in the remediation of heavy metal-contaminated farmland soil. However, the evaluation method for the remediation effect is not satisfactory. To scientifically evaluate the remediation effect, this study constructed a comprehensive evaluation system by bibliometric analysis and an analytic hierarchy process (AHP). Ultimately, 16 indicators were selected from three aspects of the soil, crops, and amendment. The 16 indicators are divided into three groups, namely indicators I that can be evaluated according to the national standards of China, indicators II that can be evaluated according to the classification management of farmland and Indicators III that are the dynamic change indicators without an evaluation criterion. Comprehensive scores for 16 indicators were calculated using three response models, respectively. According to the difference between the scores before and after the remediation, the remediation effect is divided into five levels, which are excellent, good, qualified, poor, and very poor. This study provides a theoretical basis and insightful information for a farmland pollution remediation and a sustainable utilization.

Suggested Citation

  • Suxin Zhang & Cheng Hu & Jiemin Cheng, 2022. "A Comprehensive Evaluation System for the Stabilization Effect of Heavy Metal-Contaminated Soil Based on Analytic Hierarchy Process," IJERPH, MDPI, vol. 19(22), pages 1-18, November.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:22:p:15296-:d:977804
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    References listed on IDEAS

    as
    1. Rongkui Su & Qiqi Ou & Hanqing Wang & Yiting Luo & Xiangrong Dai & Yangyang Wang & Yonghua Chen & Lei Shi, 2022. "Comparison of Phytoremediation Potential of Nerium indicum with Inorganic Modifier Calcium Carbonate and Organic Modifier Mushroom Residue to Lead–Zinc Tailings," IJERPH, MDPI, vol. 19(16), pages 1-15, August.
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    1. Shiyi Chen & Cunyong Ju & Yang Du & Tianqi Mu & Tijiu Cai, 2023. "Differences in the removal efficiency of heavy metals in soils with different vegetation backgrounds along the China-Russia crude oil pipeline," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 69(12), pages 628-639.

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