A review of imperative technologies for wastewater treatment II: hybrid methods

doi:10.1016/S1093-0191(03)00031-5

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A review of imperative technologies for wastewater treatment II: hybrid methods

Journal Article•DOI•

A review of imperative technologies for wastewater treatment II: hybrid methods

01 Mar 2004-Advances in Environmental Research (Pergamon)-Vol. 8, Iss: 3, pp 553-597

TL;DR: In the first part of this two article series on the imperative technologies for wastewater treatment, a review of oxidation processes operating at ambient conditions was presented It has been observed that none of the methods can be used individually in wastewater treatment applications with good economics and high degree of energy efficiency Moreover, the knowledge required for the large-scale design and application is perhaps lacking as mentioned in this paper.

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About: This article is published in Advances in Environmental Research.The article was published on 2004-03-01. It has received 898 citations till now. The article focuses on the topics: Wet oxidation.

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Journal Article•DOI•

Recent Developments in Photocatalytic Water Treatment Technology: A Review

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Meng Nan Chong¹, Bo Jin², Bo Jin¹, Christopher W.K. Chow², Christopher P. Saint² - Show less +1 more•Institutions (2)

University of Adelaide¹, South Australian Water Corporation²

01 May 2010-Water Research

TL;DR: For the first time, a multi-variables optimization approach is described to determine the optimum operation parameters so as to enhance process performance and photooxidation efficiency in the photocatalytic water treatment process.

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4,293 citations

Cites background from "A review of imperative technologies..."

...A number of literatures (Neyens and Baeyens, 2003; Pignatello et al., 2006; Gogate and Pandit, 2004) have provided a comprehensive reviewof the basic understanding and clarity of the principles underlying the Fenton reaction....
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Journal Article•DOI•

Advanced Oxidation Processes for Organic Contaminant Destruction Based on the Fenton Reaction and Related Chemistry

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Joseph J. Pignatello¹, Esther Oliveros, Allison A. MacKay²•Institutions (2)

Connecticut Agricultural Experiment Station¹, University of Connecticut²

01 Jan 2006-Critical Reviews in Environmental Science and Technology

TL;DR: In this paper, the complex mechanisms of Fenton and Fenton-like reactions and the important factors influencing these reactions, from both a fundamental and practical perspective, in applications to water and soil treatment, are discussed.

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Abstract: Fenton chemistry encompasses reactions of hydrogen peroxide in the presence of iron to generate highly reactive species such as the hydroxyl radical and possibly others. In this review, the complex mechanisms of Fenton and Fenton-like reactions and the important factors influencing these reactions, from both a fundamental and practical perspective, in applications to water and soil treatment, are discussed. The review covers modified versions including the photoassisted Fenton reaction, use of chelated iron, electro-Fenton reactions, and Fenton reactions using heterogeneous catalysts. Sections are devoted to nonclassical pathways, by-products, kinetics and process modeling, experimental design methodology, soil and aquifer treatment, use of Fenton in combination with other advanced oxidation processes or biodegradation, economic comparison with other advanced oxidation processes, and case studies.

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3,218 citations

Cites background from "A review of imperative technologies..."

...This chemistry is not specific to the Fenton reaction, but occurs in all AOPs based on hydroxyl radical processes in aqueous media....
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...Previous recent reviews on the use of Fenton AOPs have focussed on more specific aspects (Tarr, 2003; Burkitt, 2003; Neyens and Baeyens, 2003; Safarzadeh-Amiri et al., 1996) or discuss Fenton more briefly among a list of AOPs (Gogate and Pandit, 2004a, 2004b)....
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...Economic comparisons among AOPs and between AOPs and conventional treatments have been attempted....
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...Since different AOPs require different reagents and conditions, it is difficult to generalize without an economic analysis....
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...Some contaminants or their by-products are capable of chelating iron, and thus the formation of ferryl complexes originating from such chelates in Fenton AOPs is plausible, and more effort in this area is warranted....
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Journal Article•DOI•

Decontamination and disinfection of water by solar photocatalysis: Recent overview and trends

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Sixto Malato, Pilar Fernández-Ibáñez, M. I. Maldonado, Julián Blanco, Wolfgang Gernjak¹ - Show less +1 more•Institutions (1)

University of Queensland¹

15 Sep 2009-Catalysis Today

TL;DR: In this article, the authors reviewed the use of sunlight to produce the OH radicals by TiO2 photocatalysis and photo-Fenton process and summarized most of the research carried out related to solar photocatalytic degradation of water contaminants and how it could significantly contribute to the treatment of persistent toxic compounds.

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2,541 citations

Journal Article•DOI•

Combination of Advanced Oxidation Processes and biological treatments for wastewater decontamination—A review

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Isabel Oller, Sixto Malato, J.A. Sánchez-Pérez¹•Institutions (1)

University of Almería¹

15 Sep 2011-Science of The Total Environment

TL;DR: The main conclusions arrived at from the overall assessment of the literature are that more work needs to be done on degradation kinetics and reactor modeling of the combined process, and also dynamics of the initial attack on primary contaminants and intermediate species generation.

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2,046 citations

Cites background from "A review of imperative technologies..."

...In recent years, research in combinedAOPs/biological technologies for the treatmentof certain industrialwastewatersdifficult (or impossible) to treat by conventional physical–chemical/biological processes has greatly increased (Gogate and Pandit, 2004b; Mantzavinos and Psillakis, 2004)....
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...…et al., 2003; Sarria et al., 2004; García-Montaño et al., 2006a), which are highly reactive and non-selective as stated in some key revisionworks (Gogate and Pandit, 2004a,b; Pera-Titus et al., 2004; Devipriyas and Yesodharan, 2005; Pignatello et al., 2006; Comninellis et al., 2008; Shannon et…...
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Journal Article•DOI•

Review of iron-free Fenton-like systems for activating H2O2 in advanced oxidation processes

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Alok Diwakar Bokare¹, Wonyong Choi¹•Institutions (1)

Pohang University of Science and Technology¹

30 Jun 2014-Journal of Hazardous Materials

TL;DR: A thorough review of alternative non-iron Fenton catalysts and their reactivity towards hydrogen peroxide activation is presented, describing in detail the complex mechanisms and emphasizes on practical limitations influencing their environmental applications.

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1,618 citations

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References

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Critical Review of rate constants for reactions of hydrated electrons, hydrogen atoms and hydroxyl radicals (⋅OH/⋅O− in Aqueous Solution

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George V. Buxton, Clive L. Greenstock, W. Phillips Helman, Alberta B. Ross

01 Apr 1988-Journal of Physical and Chemical Reference Data

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Abstract: Kinetic data for the radicals H⋅ and ⋅OH in aqueous solution,and the corresponding radical anions, ⋅O− and eaq−, have been critically pulse radiolysis, flash photolysis and other methods. Rate constants for over 3500 reaction are tabulated, including reaction with molecules, ions and other radicals derived from inorganic and organic solutes.

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Critical review of rate condtants for reaction of hydrated electrons, hydrogen atoms and hydroxyl radicals in aqueous solution

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G V Buxton, C Greenstock, W P Helman, Alberta B. Ross

01 Jan 1988-Journal of Physical and Chemical Reference Data

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Pedatsur Neta, Robert E. Huie, Alberta B. Ross

01 Jan 1979-Journal of Physical and Chemical Reference Data

TL;DR: In this article, rate constants have been compiled for reactions of various inorganic radicals produced by radiolysis or photolysis, as well as by other chemical means in aqueous solutions.

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Abstract: Rate constants have been compiled for reactions of various inorganic radicals produced by radiolysis or photolysis, as well as by other chemical means in aqueous solutions. Data are included for the reactions of ⋅CO2 −, ⋅CO3⋅−, O3, ⋅N3, ⋅NH2, ⋅NO2, NO3⋅, ⋅PO32−, PO4⋅2−, SO2⋅ −, ⋅SO3 −, SO4⋅−, ⋅SO5⋅−, ⋅SeO3⋅ −, ⋅(SCN)2⋅ −, ⋅CL2⋅−, ⋅Br2⋅ −, ⋅I2⋅ −, ⋅ClO2⋅, ⋅BrO2⋅, and miscellaneous related radicals, with inorganic and organic compounds.

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2,958 citations

Journal Article•DOI•

A review of imperative technologies for wastewater treatment I: oxidation technologies at ambient conditions

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Parag R. Gogate, Aniruddha B. Pandit

01 Mar 2004-Advances in Environmental Research

TL;DR: In this article, the authors highlight five different oxidation processes operating at ambient conditions viz. cavitation, photocatalytic oxidation, Fenton's chemistry, ozonation, and use of hydrogen peroxide.

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1,852 citations