土壤中铬(VI)的传统与创新处理方法

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 1997-11-01 DOI:10.1080/15320389709383597

T. Higgins, A. Halloran, J. C. Petura

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引用次数: 43

摘要

有几种处理技术可用于铬含量升高的土壤。适用于特定铬场地的技术取决于清理目标、存在的铬的形式以及含铬土壤的体积和物理化学性质。在许多情况下，清理目标是基于土壤中的铬(VI)浓度。因此，大多数可用的处理技术包括(1)从现场去除含Cr(VI)的土壤，(2)固定铬，使其在现场条件下处理后不会浸出，或(3)将土壤中的Cr(VI)降低到Cr(III)状态。本文讨论了每种修复策略可用的处理技术，它们的优点和缺点，以及它们的相对处理成本。评估的技术包括挖掘和场外处理，土壤洗涤，土壤冲洗，电动，固化/稳定，玻璃化，化学和生物…

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Traditional and innovative treatment methods for Cr(VI) in soil

There are several treatment technologies available for soils that have elevated levels of chromium. The technologies applicable to a particular chromium site depend on the clean‐up goals, the form of the chromium present, and the volume and physical chemical properties of the chromium‐containing soils. In many cases the clean‐up goals are based on the Cr(VI) concentration in the soils. Therefore, most of the available treatment technologies consist of (1) removing the Cr(VI)‐containing soils from the site, (2) immobilizing the chromium so that it will not leach after treatment under field conditions, or (3) reducing the Cr(VI) in the soils to the Cr(III) state. This article discusses the treatment technologies available for each of these remediation strategies, their advantages and disadvantages, and their relative treatment costs. Technologies evaluated include excavation and off‐site disposal, soil washing, soil flushing, electrokinetics, solidification/stabilization, vitrification, and chemical and bio...

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.