2014
DOI: 10.4028/www.scientific.net/amr.955-959.569
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Immobilisation of Iron-Containing Materials onto Supporting Materials in Heterogeneous Fenton System: A Review

Abstract: The purpose of this review is to aim a summary of the development in the use of different supports for the immobilisation of a heterogeneous Fenton catalyst, which areiron-containing materials. Various anchors and immobilisation methods that are universally employed to the remediation of wastewater are considered. Commonly, the immobilisation of a heterogeneous Fenton catalyst onto supportive material has chiefly been approved through one of two major routes; chemical route physical route or physical route. Th… Show more

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Cited by 3 publications
(2 citation statements)
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“…More recent approaches have aimed to overcome some of the major drawbacks of the Fenton system (e.g., separation/recuperation of the homogeneous catalyst, ineffective consumption of the H 2 O 2 , acid-range pH adjustment requirements) by immobilizing transition cations (mostly Fe but not exclusively) on solid supports in the so-called heterogeneous Fenton processes. A variety of materials have been investigated [1][2][3][4]; however, up to the present only a relatively limited number of these studies have explored the advantages of using alumina-based catalysts [5][6][7][8][9][10]. Table 1 reviews main results on the abatement of organic pollutants by means of Catalytic Wet Hydrogen Peroxide Oxidation (CWHPO) under mild operating conditions, in presence of Fe-Al solid catalysts; for comparative purposes Cu-alumina and Fe-silica materials were also included.…”
Section: Introductionmentioning
confidence: 99%
“…More recent approaches have aimed to overcome some of the major drawbacks of the Fenton system (e.g., separation/recuperation of the homogeneous catalyst, ineffective consumption of the H 2 O 2 , acid-range pH adjustment requirements) by immobilizing transition cations (mostly Fe but not exclusively) on solid supports in the so-called heterogeneous Fenton processes. A variety of materials have been investigated [1][2][3][4]; however, up to the present only a relatively limited number of these studies have explored the advantages of using alumina-based catalysts [5][6][7][8][9][10]. Table 1 reviews main results on the abatement of organic pollutants by means of Catalytic Wet Hydrogen Peroxide Oxidation (CWHPO) under mild operating conditions, in presence of Fe-Al solid catalysts; for comparative purposes Cu-alumina and Fe-silica materials were also included.…”
Section: Introductionmentioning
confidence: 99%
“…The impossible recuperation of the catalyst, a narrow active range of pH (3–5), and the need of removing the iron compounds from the purified effluent are disadvantages that strongly restrict the possible application of this process [ 9 ]. A solution to the problem could be the use of heterogeneous solid Fenton catalysts, such as clays, silicas, and zeolites whose recovery from water and regeneration are easy to perform [ 10 12 ]. These materials have demonstrated being effective catalysts for the oxidative breakdown of phenol [ 13 ] and some textile dyes in water [ 14 ] among others.…”
Section: Introductionmentioning
confidence: 99%