期刊
MATERIALS TODAY-PROCEEDINGS
卷 19, 期 -, 页码 15-23出版社
ELSEVIER
DOI: 10.1016/j.matpr.2019.07.651
关键词
Nanoremediation; groundwater remediation; nanoparticle synthesis; bimetallic nanoparticles; zero-valent iron
One of critical aspects still limiting a wider use of zero-valent iron in large-scale application is the use of borohydride for the material synthesis, which is expensive and leads to the production of large quantities of hydrogen gas and toxic borates. A new bimetallic material was devised, whose synthesis employs eco-benign sulfur-based reducing agent and is of easy implementation and scalability. Our material consists of a core of zero-valent iron covered by a thin film of iron oxide, while silver is homogeneously distributed, and proved able to efficiently decolorize bromophenol blue outperforming zero-valent silver (ZVS) and nZVI obtained with the same method. (C) 2019 Elsevier Ltd. All rights reserved.
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