Utilization of nanomaterials for in-situ remediation of heavy metal(loid) contaminated sediments: A review

被引：144

作者：

Cai, Caiyuan ^{[1
]}

Zhao, Meihua ^{[1
]}

Yu, Zhen ^{[2
]}

Rong, Hongwei ^{[1
]}

Zhang, Chaosheng ^{[1
]}

机构：

[1] Guangzhou Univ, Sch Civil Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Guangdong Inst Ecoenvironm Sci & Technol, Guangdong Key Lab Integrated Agroenvironm Pollut, Guangzhou 510650, Guangdong, Peoples R China

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2019年 / 662卷

基金：

中国国家自然科学基金;

关键词：

Nanomaterials; Sediment remediation; Heavy metal(loid)s; Mechanisms; Environmental impacts; ZERO-VALENT IRON; TITANIUM-DIOXIDE NANOPARTICLES; STABILIZED NANO-CHLORAPATITE; WALLED CARBON NANOTUBES; WASTE-WATER TREATMENT; CORE-SHELL STRUCTURE; AQUEOUS-SOLUTIONS; TIO2; NANOPARTICLES; PB IMMOBILIZATION; HUMIC-ACID;

D O I：

10.1016/j.scitotenv.2019.01.180

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Heavy metal(loid) s are toxic and non-biodegradable environmental pollutants. The contamination of sediments with heavy metal(loid) s has attracted increasing attention due to the negative environmental effects of heavy metal(loid) s and the development of new remediation techniques for metal(loid) contaminated sediments. As a result of rapid nanotechnology development, nanomaterials are also being increasingly utilized for the remediation of contaminated sediments due to their excellent capacity of immobilizing/adsorbingmetal(loid) ions. This review summarizes recent studies that have used various nanomaterials such as nanoscale zero-valent iron (nZVI), stabilizer-modified nZVI, nano apatite based-materials including nano-hydroxyapatite particles (nHAp) and stabilized nano-chlorapatite (nCLAP), carbon nanotubes (CNTs), and titanium dioxide nanoparticles (TiO2 NPs) for the remediation of heavy metal(loid) contaminated sediments. We also review the analysis of potential mechanismsinvolved in the interaction of nanomaterialswithmetal(loid) ions. Subsequently, we discuss the factors affecting the nanoparticle-heavy metal(loid) s interaction, the environmental impacts resulting fromthe application of nanomaterials, the knowledge gaps, and potential future research. (c) 2019 Elsevier B.V. All rights reserved.

引用

页码：205 / 217

页数：13

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