The Suitability of Metallic Iron for Environmental Remediation

被引：51

作者：

Noubactep, Chicgoua ^{[1
]}

机构：

[1] Univ Gottingen, Angew Geol, D-37077 Gottingen, Germany

来源：

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY | 2010年 / 29卷 / 03期

关键词：

adsorption; co-precipitation; contaminant; removal; zerovalent iron; ZERO-VALENT IRON; PERMEABLE REACTIVE BARRIERS; LONG-TERM PERFORMANCE; GROUNDWATER REMEDIATION; CORROSION PRODUCTS; GRANULAR IRON; PASSIVITY; STEEL; ACID; REDUCTION;

D O I：

10.1002/ep.10406

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Aqueous contaminant removal in the presence of metallic iron is often regarded as a reductive transformation mediated by the Fe(0) surface. However, successful removal of theoretically nonreducible contaminants has been largely reported. This article presents a rebuttal of the concept of contaminant reductive transformation. It is argued through a careful examination of the evolution of the volume and adsorptive properties of iron and its corrosion products that contaminants are primarily adsorbed and coprecipitated with iron corrosion products. One may wonder how the Fe(0) technology will develop with the new concept. (C) 2009 American Institute of Chemical Engineers Environ Prog, 29: 286-291, 2010

引用

页码：286 / 291

页数：6

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