李贵杰3,
陈卫平1
1.中国科学院生态环境研究中心，城市与区域国家重点实验室，北京 100085
2.中国科学院大学，北京 100049
3.广州草木蕃环境科技有限公司，广州 510520
Remediation of heavy metal contaminated soil in Tielong town of Wengyuan county, Shaoguan city, China
XIE Wushuang1,2,,LI Guijie3,
CHEN Weiping1
1.State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Guangzhou Ecological Research Co.Ltd.，Beijing 510520, China
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摘要:农田土壤重金属污染已成为影响我国社会经济全面发展的突出问题之一。以韶关市翁源县铁龙林场土壤修复示范工程为案例，分析了矿区重金属污染农田工程修复的设计流程、工程实施中的重点与难点、修复技术的筛选以及修复效果评估。其中重度污染区通过种植桑树降低土壤中重金属含量，并开展养桑产业链阻止重金属进入人体的研究，每年可收益9.0万～10.2万元·hm-2；而中轻度污染区通过采用钝化修复技术及低吸收作物品种筛选，有效降低农作物对重金属的吸收，保障农产品安全。为我国矿区重金属污染农田修复工程技术和管理提供参考。
关键词: 重金属/
污染土壤/
种植结构调整/
钝化修复
Abstract:The heavy metal contamination of agricultural soils has become increasingly serious social and environmental problems in China. In this study, the demonstration project of soil remediation in Tielong town of Wengyuan county, Shaoguan city was collected as a case to analyze the design process of the restoration in the heavy metal contaminated mining farmland, the emphases and difficulties during implementing the project. Moreover, the screening of the remediation technology and the evaluation of the remediation effect were also discussed. The heavy metal in soil can be effectively absorbed by planting mulberry and prevented from entering the human body by breeding silkworms in severely polluted area, which can earn 90 000 to 102 000 yuan·hm-2 for one year. The heavy metal contents in crops are effectively reduced in moderate/mild polluted area by the selection of different remediation technology and low-absorbing crop varieties. This paper can provide references to ecological remediation of the heavy metal contaminated mining farmland in China.
Key words:heavy metal/
contaminated soil/
planting structure adjustment/
immobilization remediation.
| [1] | 周建军,周桔,冯仁国. 我国土壤重金属污染现状及治理战略[J]. 中国科学院院刊,2014,29(3):315-320 |
| [2] | CHEN R, DE A, YE C, et al.China's soil pollution: Farms on the frontline[J].Science, 2014,344(6185):691 10.1126/science.344.6185.691-a |
| [3] | 秦樊鑫,魏朝富,李红梅. 重金属污染土壤修复技术综述与展望[J]. 环境科学与技术,2015,38(S2):199-208 |
| [4] | 李培军,刘宛,孙铁珩,等. 我国污染土壤修复研究现状与展望[J]. 生态学杂志,2006(12):1544-1548 |
| [5] | 郭修平,郭庆海. “土十条”与土壤污染治理[J]. 生态经济,2016,32(2):10-13 |
| [6] | 卢欢亮. 铅锌矿尾矿库重金属污染生态修复工程环境监理方法探索[J]. 环境与可持续发展,2016,41(3):41-44 |
| [7] | 黄益宗,郝晓伟,雷鸣,等. 重金属污染土壤修复技术及其修复实践[J]. 农业环境科学学报,2013,32(3):409-417 |
| [8] | 朱佳文.湘西花垣铅锌矿区重金属污染土壤生态修复研究[D]. 长沙：湖南农业大学,2012 |
| [9] | 赖发英,卢年春,牛德奎,等. 重金属污染土壤生态工程修复的实验研究[J]. 农业工程学报,2007,23(3):80-84 |
| [10] | 王军,张亚男,郭义强. 矿区土地复垦与生态重建[J]. 地域研究与开发,2014,33(6):113-116 |
| [11] | 环境保护部.土壤环境质量标准 (修订意见稿)： GB 15618-2008[S]. 北京: 中国环境科学出版社,2008 |
| [12] | 环境保护部.土壤环境污染状况评价技术规定：环发[2008]39号[S]. 北京: 中国环境科学出版社,2008 |
| [13] | 周静,崔红标. 规模化治理土壤重金属污染技术工程应用与展望：以江铜贵冶周边区域九牛岗土壤修复示范工程为例[J]. 中国科学院院刊,2014,29(3):336-343 |
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韶关市翁源县铁龙林场土壤重金属修复
谢武双1,2,,李贵杰3,
陈卫平1
1.中国科学院生态环境研究中心，城市与区域国家重点实验室，北京 100085
2.中国科学院大学，北京 100049
3.广州草木蕃环境科技有限公司，广州 510520
基金项目:
关键词: 重金属/
污染土壤/
种植结构调整/
钝化修复
摘要:农田土壤重金属污染已成为影响我国社会经济全面发展的突出问题之一。以韶关市翁源县铁龙林场土壤修复示范工程为案例，分析了矿区重金属污染农田工程修复的设计流程、工程实施中的重点与难点、修复技术的筛选以及修复效果评估。其中重度污染区通过种植桑树降低土壤中重金属含量，并开展养桑产业链阻止重金属进入人体的研究，每年可收益9.0万～10.2万元·hm-2；而中轻度污染区通过采用钝化修复技术及低吸收作物品种筛选，有效降低农作物对重金属的吸收，保障农产品安全。为我国矿区重金属污染农田修复工程技术和管理提供参考。
English Abstract
Remediation of heavy metal contaminated soil in Tielong town of Wengyuan county, Shaoguan city, China
XIE Wushuang1,2,,LI Guijie3,
CHEN Weiping1
1.State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Guangzhou Ecological Research Co.Ltd.，Beijing 510520, China
Keywords: heavy metal/
contaminated soil/
planting structure adjustment/
immobilization remediation
Abstract:The heavy metal contamination of agricultural soils has become increasingly serious social and environmental problems in China. In this study, the demonstration project of soil remediation in Tielong town of Wengyuan county, Shaoguan city was collected as a case to analyze the design process of the restoration in the heavy metal contaminated mining farmland, the emphases and difficulties during implementing the project. Moreover, the screening of the remediation technology and the evaluation of the remediation effect were also discussed. The heavy metal in soil can be effectively absorbed by planting mulberry and prevented from entering the human body by breeding silkworms in severely polluted area, which can earn 90 000 to 102 000 yuan·hm-2 for one year. The heavy metal contents in crops are effectively reduced in moderate/mild polluted area by the selection of different remediation technology and low-absorbing crop varieties. This paper can provide references to ecological remediation of the heavy metal contaminated mining farmland in China.
