Decomposition of ozone in water in the presence of organic solutes acting as promoters and inhibitors of radical chain reactions

doi:10.1021/ES00142A012

Home
/
Papers
/
Decomposition of ozone in water in the presence of organic solutes acting as promoters and inhibitors of radical chain reactions

Journal Article•DOI•

Decomposition of ozone in water in the presence of organic solutes acting as promoters and inhibitors of radical chain reactions

01 Dec 1985-Environmental Science & Technology (American Chemical Society)-Vol. 19, Iss: 12, pp 1206-1213

TL;DR: The derived reaction kinetics allows one to qualitatively interpret the variation of the lifetime of O/sub 3/ found in model solutions and even in natural waters and during drinking water treatment.

read less

Abstract: The decomposition of aqueous ozone is generally due to a chain reaction involving .OH radicals. Many organic solutes (impurities) can react with .OH to yield .O/sub 2//sup -/ upon addition of O/sub 2/. .O/sub 2//sup -/ transfers its electron to a further ozone molecule in a rather selective reaction. The ozonide anion (.O/sub 3//sup -/) formed immediately decomposes into a further .OH radical. Compounds that convert .OH radicals into ozone-selective .O/sub 2//sup -/, therefore, act as promoters of the chain reaction. The efficiencies of different .OH to .O/sub 2//sup -/ converters (e.g., formic acid, primary and secondary alcohols (including sugars), glyoxylic acid, and humic acids) are tested in the presence of other .OH radical scavengers that do not primarily produce .O/sub 2//sup -/ (carbonate, aliphatic alkyl compounds, and tert-butyl alcohol). The derived reaction kinetics allows one to qualitatively interpret the variation of the lifetime of O/sub 3/ found in model solutions and even in natural waters and during drinking water treatment.

...read moreread less

Citations

PDF

Open Access

More filters

Journal Article•DOI•

Ozonation of drinking water: part I. Oxidation kinetics and product formation.

[...]

Urs von Gunten¹•Institutions (1)

Swiss Federal Institute of Aquatic Science and Technology¹

01 Apr 2003-Water Research

TL;DR: The second-order rate constants for oxidation by ozone vary over 10 orders of magnitude, between o 0.1 M 1 s 1 s -1 and about 7 − 10 9 M 1 S -1 s - 1 s − 1 as discussed by the authors.

...read moreread less

2,078 citations

Cites background from "Decomposition of ozone in water in ..."

...Ozone reacts mainly with double bonds, activated aromatic systems and non-protonated amines....
[...]

Journal Article•DOI•

Degradation of chlorophenols by means of advanced oxidation processes: a general review

[...]

Marc Pera-Titus¹, Verónica García-Molina¹, Miguel Ángel Baños¹, Jaime Giménez¹, Santiago Esplugas¹ - Show less +1 more•Institutions (1)

University of Barcelona¹

20 Feb 2004-Applied Catalysis B-environmental

TL;DR: In this paper, the degradation of chlorophenols (CPs) by means of advanced oxidation processes (AOPs) was evaluated during the period 1995-2002 and different mechanistic degradation pathways were taken into account.

...read moreread less

Abstract: Advanced oxidation processes (AOPs) constitute a promising technology for the treatment of wastewaters containing non-easily removable organic compounds. Chlorophenols (CPs) are a group of special interest due to their high toxicity and low biodegradability. Data concerning the degradation of CPs by means of AOPs reported during the period 1995–2002 are evaluated in this work. Among the AOPs, the following techniques are studied: processes based on hydrogen peroxide (H2O2+UV, Fenton, photo-Fenton and Fenton-like processes), photolysis, photocatalysis and processes based on ozone (O3, O3+UV and O3+catalyst). Half-life times and kinetic constants for CP degradation are reviewed and the different mechanistic degradation pathways are taken into account.

...read moreread less

2,024 citations

Cites background from "Decomposition of ozone in water in ..."

...tion of dissolved compounds in water can constitute an AOP by itself, as hydroxyl radicals can be generated from the decomposition of ozone, which might be catalyzed by hydroxyl ions or initiated by the presence of traces of other substances, like transition metal cations [224]....
[...]

Journal Article•DOI•

The Chemistry of Water Treatment Processes Involving Ozone, Hydrogen Peroxide and Ultraviolet Radiation

[...]

William H. Glaze¹, Joon Wun Kang, Douglas H. Chapin¹•Institutions (1)

University of California, Los Angeles¹

01 Sep 1987-Ozone-science & Engineering

TL;DR: In this article, the theoretical and practical yield of OH from O3 at high pH, 03/H202, O3/UV and H2O2/UV systems are reviewed.

...read moreread less

Abstract: Advanced oxidation processes are defined as those which involve the generation of hydroxyl radicals in sufficient quantity to affect water purification. The theoretical and (practical yield of OH from O3 at high pH, 03/H202, O3/UV and H2O2/UV systems is reviewed. New data is presented which illustrates the importance of direct photolysis in the O3/UV process, the effect of the H202:03 ratio in the O3/H2O2 process, and the impact of the low extinction coefficient of H2O2 in the H202/UV process.

...read moreread less

1,663 citations

Journal Article•DOI•

Advanced Oxidation Processes for Wastewater Treatment: Formation of Hydroxyl Radical and Application

[...]

Jianlong Wang¹, Le Jin Xu¹•Institutions (1)

Tsinghua University¹

01 Feb 2012-Critical Reviews in Environmental Science and Technology

TL;DR: In this paper, the authors summarize the formation reactions of the hydroxyl radical (·OH) and the mechanisms of pollutants degradation in six types of advanced oxidation processes, including radiation, photolysis and photocatalysis, sonolysis, electrochemical oxidation technologies, Fenton based reactions, and ozone-based processes.

...read moreread less

Abstract: Advanced oxidation processes (AOPs), defined as those technologies that utilize the hydroxyl radical (·OH) for oxidation, have received increasing attention in the research and development of wastewater treatment technologies in the last decades. These processes have been applied successfully for the removal or degradation of toxic pollutants or used as pretreatment to convert recalcitrant pollutants into biodegradable compounds that can then be treated by conventional biological methods. The efficacy of AOPs depends on the generation of reactive free radicals, the most important of which is the hydroxyl radical (·OH). The authors summarize the formation reactions of ·OH and the mechanisms of pollutants degradation. They cover six types of advanced oxidation processes, including radiation, photolysis and photocatalysis, sonolysis, electrochemical oxidation technologies, Fenton-based reactions, and ozone-based processes. Controversial issues in pollutants degradation mechanism were discussed. They review t...

...read moreread less

1,102 citations

Cites background or methods from "Decomposition of ozone in water in ..."

...In ozonation of water, ·OH is generated as seen in the SBH model (Bühler et al., 1984; Staehelin and Hoigné, 1982, 1985) for the neutral pH region or the TFG model (Nemes et al., 2000a, 2000b; Tomiyasu et al., 1985) for a higher pH range, and the rate constants were determined by Chelkowska et…...
[...]
...NHE) in basic solution, and has recently received much attention in water treatment and purification (Hoigné and Bader, 1979, 1983a, 1983b; Hoigné et al., 1985; Staehelin and Hoigné, 1985; Hoigné, 1998; Kishimoto et al., 2005; Pi et al., 2007)....
[...]
...At low pH, the direct ozonation dominates and is selective, whereas at basic conditions, the indirect pathway prevails (Agustina et al., 2005; Pera-Titus et al., 2004; Staehelin and Hoigné, 1985)....
[...]
...At low pH, the direct ozonation dominates and is selective, whereas at basic conditions, the indirect pathway prevails (Agustina et al., 2005; Pera-Titus et al., 2004; Staehelin and Hoigné, 1985)....
[...]
...There are two oxidation mechanisms, namely direct electrophilic attack by molecular ozone and indirect attack through the formation of hydroxyl radicals (Hoigné and Bader, 1975, 1979; Pera-Titus et al., 2004; Staehelin and Hoigné, 1982, 1985)....
[...]

Journal Article•DOI•

Plasma-liquid interactions: A review and roadmap

[...]

Peter Bruggeman¹, Mark J. Kushner², Bruce R. Locke³, Jge Gardeniers⁴, William Graham⁵, David B. Graves⁶, Rchm Hofman-Caris, D Marić⁷, Jonathan P. Reid⁸, E Ceriani⁹, D. Fernandez Rivas⁴, John E. Foster², Sean C. Garrick¹, Yury Gorbanev¹⁰, Satoshi Hamaguchi¹¹, Felipe Iza¹², Helena Jablonowski¹³, E. Klimova¹⁴, Juergen F. Kolb¹³, František Krčma¹⁴, Petr Lukes¹⁵, Zdenko Machala¹⁶, Ilya Marinov¹⁷, Davide Mariotti¹⁸, S. Mededovic Thagard¹⁹, Daisuke Minakata²⁰, Erik C. Neyts²¹, Joanna Pawłat²², Z. Lj. Petrović⁷, R Pflieger²³, Stephan Reuter¹³, DC Daan Schram²⁴, Sandra Schröter¹⁰, Manabu Shiraiwa²⁵, Barbora Tarabová¹⁶, Pa Tsai²⁶, Jrr Verlet²⁷, T. von Woedtke¹³, Kevin R. Wilson²⁸, Kyuichi Yasui²⁹, G. Zvereva³⁰ - Show less +37 more•Institutions (30)

University of Minnesota¹, University of Michigan², Florida State University³, University of Twente⁴, Queen's University Belfast⁵, University of California, Berkeley⁶, University of Belgrade⁷, University of Bristol⁸, University of Padua⁹, University of York¹⁰, Osaka University¹¹, Loughborough University¹², Leibniz Association¹³, Brno University of Technology¹⁴, Academy of Sciences of the Czech Republic¹⁵, Comenius University in Bratislava¹⁶, École Polytechnique¹⁷, Ulster University¹⁸, Clarkson University¹⁹, Michigan Technological University²⁰, University of Antwerp²¹, Lublin University of Technology²², University of Montpellier²³, Eindhoven University of Technology²⁴, Max Planck Society²⁵, University of Alberta²⁶, Durham University²⁷, Lawrence Berkeley National Laboratory²⁸, National Institute of Advanced Industrial Science and Technology²⁹, Saint Petersburg State University³⁰

30 Sep 2016-Plasma Sources Science and Technology

TL;DR: A review of the state-of-the-art of this multidisciplinary area and identifying the key research challenges is provided in this paper, where the developments in diagnostics, modeling and further extensions of cross section and reaction rate databases are discussed.

...read moreread less

Abstract: Plasma–liquid interactions represent a growing interdisciplinary area of research involving plasma science, fluid dynamics, heat and mass transfer, photolysis, multiphase chemistry and aerosol science. This review provides an assessment of the state-of-the-art of this multidisciplinary area and identifies the key research challenges. The developments in diagnostics, modeling and further extensions of cross section and reaction rate databases that are necessary to address these challenges are discussed. The review focusses on non-equilibrium plasmas.

...read moreread less

1,078 citations