建设用地安全再开发重金属污染风险阻控技术研究进展

王宏; 胡清; 许盛彬; 王炜; 童立志

doi:10.13205/j.hjgc.202201032

建设用地安全再开发重金属污染风险阻控技术研究进展

doi: 10.13205/j.hjgc.202201032

王宏^1,2,
胡清^1,2,
许盛彬²,
王炜³,
童立志^1,3, ,

1. 南方科技大学环境学院;
2. 南科大工程技术创新中心(北京);
3. 生态环境部华南环境科学研究所

基金项目:

中央级公益性科研院所基本科研业务专项(PM-zx097-202104-072)

生态环境修复技术研究中心青年创新基金(hx_202109_002)

国家重点研发计划“场地土壤污染成因与治理技术”重点专项(2018YFC1801400)

详细信息

作者简介:
王宏(1978-),男,硕士,研究员,主要研究污染场地绿色可持续修复。wangh6@mail.sustech.edu.cn

通讯作者:
童立志(1988-),男,博士,助理研究员,主要研究工矿用地土壤污染理论及风险管控技术。tonglizhi@scies.org

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- 文章访问数: 245
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- 被引次数: 0
出版历程
- 收稿日期: 2021-01-11
- 网络出版日期: 2022-03-30
- 刊出日期: 2022-03-30

RESEARCH PROGRESS OF HEAVY METAL POLLUTION RISK PREVENTION AND CONTROL TECHNOLOGIES FOR SAFE REDEVELOPMENT OF CONSTRUCTION LAND

WANG Hong^1,2,
HU Qing^1,2,
XU Shengbin²,
WANG Wei³,
TONG Lizhi^{1,3
, ,}

1. School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China;
2. Engineering Innovation Center of Southern University of Science and Technology, Beijing 100083, China;
3. South China Institute of Environmental Sciences, Ministry of Environmental Protection, Guangzhou 510655, China

摘要

摘要: 场景差异和环境因素变化都可能导致修复后场地中重金属的再次活化,给建设用地再开发带来潜在环境风险。选择合适的风险阻控技术是保障重金属污染建设用地长期安全利用的关键。为推动风险阻控技术在我国的应用和发展,首先对现有适用于重金属污染场地风险阻控技术(物理阻隔和化学钝化)所使用功能材料及其作用机制进行了总结。其次,对不同阻控技术的国内外应用案例进行了分析。最后,对2类阻控技术的可能失效机制进行了讨论。基于我国建设用地重金属污染风险高且再开发强度大的现实需求,建议未来应侧重研究绿色可持续的风险阻控技术,并探索建立长期监测和回顾性评价机制。
- 重金属 /
- 物理阻隔 /
- 化学钝化 /
- 场地再开发 /
- 失效机制
Abstract: The differences of development scenarios and the change of environmental conditions may lead to the re-release of heavy metals in the post-remediation sites, which brings potential environmental risks to the safe redevelopment of construction land. Choosing appropriate risk prevention and control technology is essential to ensure the long-term safe redevelopment of contaminated construction land. To promote its application and development in China, the materials and mechanisms of two types of risk prevention and control techniques, including physical containment and chemical stabilization, which were widely applied in the remediation of heavy metal contaminated sites were summarized. Then, the application cases of different risk prevention and control technologies in China and abroad were analyzed. Finally, the failure mechanisms of these two types of risk prevention and control technologies were discussed. Due to the high risk of heavy metal pollution and the high intensity of redevelopment in China's construction land, it was proposed that the study of green and sustainable risk prevention and control technologies should be focused on, and the establishment of long-term monitoring and retrospective evaluation system should be explored.
- heavy metal /
- physical containment /
- chemical stabilization /
- site re-development /
- failure mechanism

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