Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 7 pps

... Ozonation of US drinking water sources: HO concentration and oxidation-competition values, in Ozone in Water and Wastewater, Proceedingsof 11th Ozone World Congress, Vol 2, S-1 7- 1 19–125, San Francisco, ... corresponding to Reaction (7. 10) and Reaction (7. 11) below are unknown. (7. 10) (7. 11)Thus, kOHS and ki3 are system dependent and have to be determined for each case.In fact, reactions of ozone with ... (O3/H2O2), Ozone Sci. Eng., 17, 97 1 17, 1995.26. Hoigné, J. and Bader, H., Ozonation of water: Oxidation–competition values ofdifferent types of waters used in Switzerland, Ozone Sci. Eng., 1, 3 57 372 ,...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 6 ppsx

... Coefﬁcient Corresponded to Ozone- Buffered Water and Ozone- Tomato Wastewater Systems a Ozone System System Characteristics He ؋ 10–6kLa ؋ 102Reference Ozone- buffered water pH 7, 12ºC, I = 0.01 M, ... × 10–292 Ozone wastewater Tomato wastewater, COD = 500 mgL–1, pH = 6.5 7. 8, 17 18ºC, 35 Lh–19.95c92 Ozone wastewater Domestic wastewater, COD = 300 mgL–1, pH 7. 5, 20ºC 7. 60c90a ... Tomato wastewater, COD = 300 mgL–1, pH = 6.5 7. 8, 17 18ºC, 20 Lh–1 7. 66 × 106 b5.91 × 10692 Ozone wastewater Tomato wastewater, COD = 500 mgL–1, pH = 6.5 7. 8, 17 18ºC, 35 Lh–1 7. 05b6.99...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 1 pptx

... Chapter 7 Kinetics of Indirect Reactions of Ozone in Water 7. 1 Relative Importance of the Direct Ozone B Reaction and the Ozone Decomposition Reaction 7. 1.1 Application of Diffusion and Reaction ... Regime of the Ozone Absorption6.6.2 Determination of Ozone Properties for the Ozonation Kinetics of Wastewater 6.6.3 Determination of Rate Coefﬁcients for the Ozonation Kinetics of Wastewater 6.6.3.1 ... OH-B Reaction 7. 3.2.1 The Absolute Method 7. 3.2.2 The Competitive Method 7. 4 Characterization of Natural Waters Regarding Ozone Reactivity 7. 4.1 Dissolved Organic Carbon, pH, and Alkalinity 7. 4.2...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 2 potx

... organic and inorganic matrix of the wastewater. In Chapter 6 aspects related to the treatment of ozone kinetics of wastewater are presented.2.5.1 THE OZONE DECOMPOSITION REACTION The fact that ozone ... organic (and someinorganic) matter present in water. 2 For this reason, ozone reactions in water can beclassiﬁed as direct and indirect reactions. The direct reactions are the true ozone reactions, ... of aqueous ozone, Environ. Sci.Technol., 22, 76 1 76 7, 1988. 27. Jans, U. and Hoigné, J., Activated carbon and carbon black catalyzed transformationof aqueous ozone into OH-radicals, Ozone Sci....

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 3 docx

... 20ºC: 1,5-naphthalene-disulphonic acid: 41. 1-naphthalene-sulphonic acid: 252. 3-nitrobenzene-sulphonic acid: 2239 (2002)Methyl-t-butyl-ether 2-L Batch reactor for determination of reaction ... industrial wastewater containing 3-methyl-piperidine, Ozone Sci. Eng., 23, 189–198,2001.34. Shawwa, A.R. and Smith, D.W., Kinetics of microcystin-LR oxidation by ozone, Ozone Sci. Eng., 23, 161– 170 , ... (2001)MTBE and ozone- byproducts Batch rector, AKC, pH 2, 5–20ºC, kMTBE = 0.14, k = 0 .78 (t-butylformate) and other 35 (2001)Metal-diethylenetrimine-pentaacetate (DTPA)SF, AKC, 25ºC, pH :7. 66,...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 4 ppt

... following approx-imate solution of the reaction factor for second order reactions (4.49) and (4.50): (4 .75 ) (4 .76 )with (4 .77 )Finally, a trial -and- error procedure allows the reaction factor ... ananalytical solution for the case of fast reactions (CAb = 0) and Ha1 > 1: (4.58)4.2.2.2 Irreversible Second-Order Reactions For the kinetics of the second-order gas–liquid reaction (4.32), ... accompanied bycomplex chemical reaction- II Consecutive chemical reactions, Chem. Eng. Sci., 25, 76 1 76 8, 1 970 .11. Danckwerts, P.V., Gas Liquid Reactions, McGraw-Hill, New York, 1 970 . 12. DeCoursey, W.J.,...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 5 docx

... of ozone decomposition in water carried out at pH 2 and 7, the rate constant of the ozone decomposition reaction FIGURE 5.3 Variation of the Henry constant for the ozone water system with pH and temperature. ... 24 Li, 1 977 pH 2.2, 4.1, 6.15, and 7. 1, 25ºC, He = 177 46 .7 (pH 7. 1) 25Roth and Sullivan, 1981Buffered water (phosphates), NaOH or H2SO4 to keep pH, 3.5–60ºC, pH 0.65–10.2, and He = 10035.1 ... preceding papers 77 ,78 this comparisonwas made for the case of the reaction between ozone and resorcinol, phloroglucinol, and 1,3-cyclohexanedione, compounds that dissociate in water when pH is...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 9 pptx

... 10–3kHOB = 0.022 (1,1,1-TCE)kHOB = 0.1 07 (1,1,2-TCE)kHOB = 0. 077 (1,1,2,2-TCE)10, 1994 1,2-dibromo- 3- chloropropane, DBCP1 to 4 low pressure Hg lamp, 254-nm, 8.4 W/lamp φ = 0.49, ... of ozone in water by the indigo method, Water Res., 15, 449–456, 1981.45. Schechter, H., Spectrophotometric method for determination of ozone in aqueoussolution, Water Res., 7, 72 9 73 9, 1 973 .46. ... possibleinitiation reactions for the generation of hydroxyl radicals. These reactions are thosepossibly due to the initiating species present in the water [see Reaction (7. 4) and Reaction (7. 10)], the...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 10 pot

... be formed from the reaction between photogenerated and adsorbed hydrogenperoxide and ozone in a similar way that occurs in the ozone/ hydrogen peroxide and ozone/ UV systems (see Chapter 8 or Chapter ... H., and Ahn, K.H., The reaction mechanism of catalytic oxidationwith hydrogen peroxide and ozone in aqueous solution, Water Sci Technol., 47, 179 –184, 2002. 76 . Sánchez-Polo, M. and Rivera-Utrilla, ... inﬂuences the kinetics. For a given ﬁrst-ordercatalytic ozone reaction and zero-order for B (usual case in heterogeneous catalyticozonation66), and according to Equation (10.28) and Equation...

Ozone Reaction Kinetics for Water and Wastewater Systems - Chapter 11 (end) ppt

... entrance and outlet concentrations, total mass balance of ozone instead of ozone gas balance 7, 2002 Ozone/ natural water and ozone/ wastewater (Theoretical studies) Ozone bubble columns Slow and ... started from the Staeheling and Hoigné mechanism68 where wastewater and gas phases were considered perfectlymixed. Reaction (11.83), for the ozone direct reactions, and Reaction (11.84) werealso ... simpliﬁed depend-ing on the time regime type. For example, in semibatch systems, for the water phase,there is no mass ﬂow rates at the inlet and outlet of the reaction volume, and Fi0 and Fi are...

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