Flaws in the design of Fe(0)-based filtration systems?

被引：32

作者：

Noubactep, Chicgoua ^{[1
,2
,3
]}

机构：

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

[2] Kultur & Nachhaltige Entwicklung CDD eV, D-37005 Gottingen, Germany

[3] Com Afroeuropeen, B-5000 Namur, Belgium

来源：

CHEMOSPHERE | 2014年 / 117卷

关键词：

Packed-bed filtration; Paradigm shift; Permeability loss; Removal process; Zero-valent iron; ZERO-VALENT IRON; PERMEABLE REACTIVE BARRIERS; AQUEOUS CONTAMINANT REMOVAL; METALLIC IRON; CARBON-TETRACHLORIDE; WATER-TREATMENT; REMEDIATION; CORROSION;

D O I：

10.1016/j.chemosphere.2014.06.014

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Use of metallic iron (Fe(0)) for water treatment has attracted much attention over the passed two decades. Achieved results have recalled that the formation of voluminous, low-soluble iron oxides and hydroxides within the system is ubiquitous at pH > 4.0. These properties imply that efficiency and porosity of Fe(0)-based filtration systems will decrease in the long-term. Some methods have been suggested to solve the identified problems. However, they could be collectively regarded as weak because they are based on a false description of the system. This note reveals two major inherent flaws in the design of Fe(0)-based filters and shows ways to fix them. O 2014 Elsevier Ltd. All rights reserved.

引用

页码：104 / 107

页数：4

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