Impact of humic/fulvic acid on the removal of heavy metals from aqueous solutions using nanomaterials: A review

被引：621
作者：
Tang, Wang-Wang
Zeng, Guang-Ming [1 ]
Gong, Ji-Lai
Liang, Jie
Xu, Piao
Zhang, Chang
Huang, Bin-Bin
机构：
[1] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 2014年 / 468卷
基金：
中国国家自然科学基金;
关键词：
Nanomaterials; Humic/fulvic acid; Heavy metals; Interaction mechanism; ZERO-VALENT IRON; NATURAL ORGANIC-MATTER; WALLED CARBON NANOTUBES; POLYCYCLIC AROMATIC-HYDROCARBONS; GRAPHENE OXIDE NANOSHEETS; WASTE-WATER TREATMENT; HUMIC-ACID; FULVIC-ACID; EFFICIENT REMOVAL; ARSENIC REMOVAL;
D O I：
10.1016/j.scitotenv.2013.09.044
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Nowadays nanomaterials have been widely used to remove heavy metals from water/wastewater due to their large surface area and high reactivity. Humic acid (HA) and fulvic acid (FA) exist ubiquitously in aquatic environments and have a variety of functional groups which allow them to complex with metal ions and interact with nanomaterials. These interactions can not only alter the environmental behavior of nanomaterials, but also influence the removal and transportation of heavy metals by nanomaterials. Thus, the interactions and the underlying mechanisms involved warrant specific investigations. This review outlined the effects of HA/FA on the removal of heavy metals from aqueous solutions by various nanomaterials, mainly including carbon-based nanomaterials, iron-based nanomaterials and photocatalytic nanomaterials. Moreover, mechanisms involved in the interactions were discussed and potential environmental implications of HA/FA to nanomaterials and heavy metals were evaluated. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：1014 / 1027
页数：14
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