生物炭去除土壤重金属的研究进展

熊静; 王蓓丽; 刘渊文; 郭丽莉; 李书鹏; 林启美; 陈有鑑

doi:10.13205/j.hjgc.201909033

生物炭去除土壤重金属的研究进展

doi: 10.13205/j.hjgc.201909033

1. 污染场地安全修复技术国家工程实验室;
2. 北京建工集团有限责任公司;
3. 中国农业大学资源与环境学院

基金项目:

国家重点研发计划(2017YFD0800900)

详细信息

作者简介:
熊静(1987-),女,博士,主要研究方向为修复材料研制及应用研究。xiongjing@bceer.com

通讯作者:
陈有鑑(1969-),男,博士,教授级高工,主要研究方向为污染场地土壤与地下水环境修复。chenyoujian@bceer.com

中图分类号: TQ127.11;X53
计量
- 文章访问数: 168
- HTML全文浏览量: 13
- PDF下载量: 1
- 被引次数: 0
出版历程
- 收稿日期: 2018-10-23
- 网络出版日期: 2023-11-24
- 刊出日期: 2019-09-30

摘要

摘要: 生物炭作为一种新型的吸附材料,具有比表面积大、官能团丰富、稳定性高等特点,施入土壤后可影响重金属在土壤中的迁移性和生物有效性。从生物炭对重金属的吸附机制、生物炭还田应用效果进行了概述,在此基础上分析了生物炭推广应用的限制因素,并从生物炭与土壤的相互作用、生物炭的制备工艺完善等方面进行了展望。生物炭施入土壤后可通过阳离子-π作用、离子交换、络合、共沉淀、氧化还原和静电吸附作用降低重金属有效态含量,减少作物对重金属的累积。但生物炭在实际应用中仍存在作用效果不稳定、价格高昂难以大面积推广应用等问题,未来有必要进一步探明生物炭与土壤互作关系、完善生物炭制备工艺,为生物炭的广泛高效利用提供支撑。
- 生物炭 /
- 土壤 /
- 重金属 /
- 吸附机制

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参考文献(50)

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