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

doi:10.1016/S1093-0191(03)00032-7

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

Journal Article•DOI•

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

01 Mar 2004-Advances in Environmental Research (Pergamon)-Vol. 8, Iss: 3, pp 501-551

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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About: This article is published in Advances in Environmental Research.The article was published on 2004-03-01. It has received 1852 citations till now.

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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..."

...The photolysis of Fe(II) species is unimportant at wavelengths employed in Fenton AOPs....
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...Even including iron oxide sludge disposal, the Fenton AOPs were less expensive than UV/H2O2 or UV alone....
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...Perez et al. (2002) compared various AOPs for removing TOC in a bleaching Kraft mill effluent....
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...Bolton et al. (2001) proposed “Figures-of-Merit” for AOPs based on electrical energy consumption, since electrical energy represents a major fraction of operating costs of many AOPs....
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...Goi and Trapido (2002) compared the energy costs of various AOPs for 90% reduction of 0.4 mM nitrophenols....
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Journal Article•DOI•

Electro-Fenton process and related electrochemical technologies based on Fenton's reaction chemistry

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Enric Brillas¹, Ignasi Sirés¹, Mehmet A. Oturan¹•Institutions (1)

University of Barcelona¹

19 Oct 2009-Chemical Reviews

TL;DR: Electro-Fenton (EF) Process 6585 4.2.1.

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Abstract: 2.2. Fenton’s Chemistry 6575 2.2.1. Origins 6575 2.2.2. Fenton Process 6575 2.3. Photo-Fenton Process 6577 3. H2O2 Electrogeneration for Water Treatment 6577 3.1. Fundamentals 6578 3.2. Cathode Materials 6579 3.3. Divided Cells 6580 3.4. Undivided Cells 6583 4. Electro-Fenton (EF) Process 6585 4.1. Origins 6585 4.2. Fundamentals of EF for Water Remediation 6586 4.2.1. Cell Configuration 6586 4.2.2. Cathodic Fe2+ Regeneration 6586 4.2.3. Anodic Generation of Heterogeneous Hydroxyl Radical 6587

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2,652 citations

Journal Article•DOI•

Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide : A review of fundamentals, progress and problems

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Umar Ibrahim Gaya¹, Abdul Halim Abdullah¹•Institutions (1)

Universiti Putra Malaysia¹

01 Mar 2008-Journal of Photochemistry and Photobiology C-photochemistry Reviews

TL;DR: A review of the use of the TiO 2 photocatalyst for remediation and decontamination of wastewater, report the recent work done, important achievements and problems is presented in this paper, however, a lot more is needed from engineering design and modelling for successful application of the laboratory scale techniques to large scale operation.

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Abstract: Even though heterogeneous photocatalysis appeared in many forms, photodegradation of organic pollutants has recently been the most widely investigated. By far, titania has played a much larger role in this scenario compared to other semiconductor photocatalysts due to its cost effectiveness, inert nature and photostability. Extensive literature analysis has shown many possibilities of improving the efficiency of photodecomposition over titania by combining the photoprocess with either physical or chemical operations. The resulting combined processes revealed a flexible line of action for wastewater treatment technologies. The choice of treatment method usually depends upon the composition of the wastewater. However, a lot more is needed from engineering design and modelling for successful application of the laboratory scale techniques to large-scale operation. The present review paper seeks to offer an overview of the dramatic trend in the use of the TiO 2 photocatalyst for remediation and decontamination of wastewater, report the recent work done, important achievements and problems.

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2,573 citations

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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References

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Journal Article•DOI•

Environmental Applications of Semiconductor Photocatalysis

[...]

Michael R. Hoffmann, Scot T. Martin, Wonyong Choi, Detlef W. Bahnemann

01 Jan 1995-Chemical Reviews

TL;DR: The slow pace of hazardous waste remediation at military installations around the world is causing a serious delay in conversion of many of these facilities to civilian uses as discussed by the authors, which is a serious problem.

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Abstract: The civilian, commercial, and defense sectors of most advanced industrialized nations are faced with a tremendous set of environmental problems related to the remediation of hazardous wastes, contaminated groundwaters, and the control of toxic air contaminants. For example, the slow pace of hazardous waste remediation at military installations around the world is causing a serious delay in conversion of many of these facilities to civilian uses. Over the last 10 years problems related to hazardous waste remediation have emerged as a high national and international priority.

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17,188 citations

"A review of imperative technologies..." refers methods in this paper

...There are good reviews available on this subject by Fox and Duley(1993), Legrini et al. (1993), Kamat (1993) and Hoffmann et al.(1995) covering the analysis of the studies prior to 1995 and depicting basics of the processes including the mechanism of oxidation of pollutants in detail....
[...]

Journal Article•DOI•

Photochemical processes for water treatment

[...]

O. Legrini, E. Oliveros, André M. Braun

01 Mar 1993-Chemical Reviews

3,257 citations

"A review of imperative technologies..." refers methods in this paper

...There are good reviews available on this subject by Fox and Duley(1993), Legrini et al. (1993), Kamat (1993) and Hoffmann et al.(1995) covering the analysis of the studies prior to 1995 and depicting basics of the processes including the mechanism of oxidation of pollutants in detail....
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Journal Article•DOI•

Heterogeneous photocatalysis: fundamentals and applications to the removal of various types of aqueous pollutants

[...]

Jean-Marie Herrmann¹•Institutions (1)

École centrale de Lyon¹

15 Oct 1999-Catalysis Today

TL;DR: In this article, the basic fundamental principles are described as well as the influence of the main parameters governing the kinetics (mass of catalyst, wavelength, initial concentration, temperature and radiant flux).

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2,424 citations

"A review of imperative technologies..." refers background in this paper

...Thus, photocatalytic oxidation appears to be much more developed and well understood as compared to cavitation and also some illustrations are available for large-scale operation(Herrmann, 1999) using naturally occurring resources, i.e. sunlight....
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...At temperatures above 808C, the exothermic adsorption of pollutant becomes unfavorable and tends to be the rate limiting step, leading to a decreased activity and hence reduction in the reaction rates(Herrmann, 1999)....
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...It should also be noted here that the Langmuir–Hinshelwood type of models (Topalov et al., 1999; Herrmann, 1999) can be used to relate the observed rates with the initial concentration of the pollutant, but the model parameters will be strongly dependent on the composition of the effluent as well…...
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...Wavelength of the irradiation: The threshold wavelength corresponds to the band gap energy for the semiconductor catalyst, e.g. for the TiO catalyst2 having a band gap energy of 3.02 eV, the ideal wavelength is at 400 nm(Herrmann, 1999)....
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...Herrmann(1999) has studied the application of photocatalytic oxidation (in a laboratory photoreactor irradiated with near-UV light with power dissipation of 125 W, catalyst used was Degussa P-25 TiO , 50 m yg surface area and mainly anatase) to the22 treatment of highly loaded real industrial…...
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Journal Article•DOI•

Photochemistry on nonreactive and reactive (semiconductor) surfaces

[...]

Prashant V. Kamat

01 Jan 1993-Chemical Reviews

1,633 citations

"A review of imperative technologies..." refers methods in this paper

...There are good reviews available on this subject by Fox and Duley(1993), Legrini et al. (1993), Kamat (1993) and Hoffmann et al.(1995) covering the analysis of the studies prior to 1995 and depicting basics of the processes including the mechanism of oxidation of pollutants in detail....
[...]

Journal Article•DOI•

Decomposition of ozone in water: rate of initiation by hydroxide ions and hydrogen peroxide

[...]

Johannes Staehelin, Juerg. Hoigne

01 Oct 1982-Environmental Science & Technology

1,264 citations

"A review of imperative technologies..." refers background in this paper

...Staehelin and Hoigne(1982) have reported that at high pH values, ozone reacts almost indiscriminately with all organic and inorganic compounds present in the reacting medium....
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