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

... I–0.0 039 Xe 0.0 133 –0 .32 9 2 73 31 8NH4+0.0556 NO2–0.0795 Rn 0.0477 –0. 138 2 73 30 1Mg2+0.1694 NO 3 –0.0128 N2–0.0010 –0.605 278 34 5Ca2+0.1762 ClO 3 –0. 134 8 O20 –0 .33 4 2 73 35 3Sr2+0.1881 ... 2 73 34 8Al 3+ 0.2174 HSO 3 –0.0549 C 3 H80.0240 –0.702 286 34 5Cr 3+ 0.0648 CO 3 2–0.14 23 nC4H100.0297 –0.726 2 73 34 5Fe 3+ 0.1161 HPO42–0.1499 H2S –0. 033 3 Not available 298La 3+ 0.2297 ... –0. 035 3 +0.464 278 35 3Na+0.11 43 Fl–0.0920 Ne –0.0080 –0.9 13 288 30 3K+0.0922 Cl–0. 031 8 Ar 0.0057 –0.485 2 73 35 3Rb+0.0 839 Br–0.0269 Kr –0.0071 Not available 298Cs+0.0759 I–0.0 039 ...

... Ozonation ReactionsReferences Chapter 6 Kinetics of the Ozonation of Wastewaters6.1 Reactivity of Ozone in Wastewater 6.2 Critical Concentration of Wastewater 6 .3 Characterization of Wastewater 6 .3. 1 ... 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 ... Substitution Reactions2.4 Nucleophilic Reactions2.5 Indirect Reactions of Ozone 2.5.1 The Ozone Decomposition Reaction References Chapter 3 Kinetics of the Direct Ozone Reactions 3. 1 Homogeneous...

... NaOH Kinetics depends on pH:pH 3: –rO3 = kCO3 3/ 2, pH 7: –rO3 = kCO3 3/ 2 to 1pH 9: –rO3 = kCO3 Kinetics of O 3 -bromide studied58(1981) ©2004 CRC Press LLC 2 Reactions of Ozone ... correspondingpK and the indicated value for the protonation reaction. HCO HO HCO OHkC 33 1−−+•→•+CO HO CO OHkC 33 2=−−+•→•+HCO CO HkC 33 3 −=+→+HCO H COkC 33 3 −+′=+→HCO ... COkC 33 3 −+′=+→HCO HCO HkC 23 34→+−+HCO H H COkC 32 34−+′+→HCO CO HkC 33 5• →•+−+CO H HCOkC 33 5−+′•+  →•CO H O HCO HOkC 32 2 3 26−−•+  →+•CO HO CO HOkC 32 32 7−− =•+...

... 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 ), the ... of reactions with the following stoichiometry:1. First-order reaction: (4.14)with (4.15)2. Pseudo first-order reaction: (4.16)with (4.17)The ozone self-decomposition reaction in water ... Onda et al. 13 have reported the 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...

... cycleb = basic cycleb (Simple ozonation)b-a-ba-b-ab-a-b-a-ba-b-a-b©2004 CRC Press LLCexperimental conditions applied. For this kinetic regime the ozone absorption rateis [see also Equation ... 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 ... acidic-alkaline cycles, min: ∇=12 0-0 , ᭛= 0-1 20 ∆=1 0-1 10, ⅙=2 0-1 00, ▫ =3 0-9 0.From Beltrán, F.J., García-Araya, J.F., and Álvarez, P., pH Sequential ozonation of domestic and wine distillery wastewater, ...

... 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, CA, 19 93. 22. ... REACTION ZONEtR, stD =3. 2 stD=0 .32 s10510410 3 102101110–110–210 3 10–4OCP-O 3 DIRECT REACTION OZONE DECOMPOSITION REACTION ATZ-O 3 DIRECT REACTION pH2 4 6 8 10 12rrkCzk ... of the processes and bromate formation, Envi-ron.Sci. Technol., 35 , 4252–4259, 2001. 33 . Hoigné, J. and Bader, H., Ozonation of water: kinetics of oxidation of ammonia by ozone and hydroxyl radicals,...

... OOOO3 033 03 33 01 3 2 30 3φφεµ.−= =rLICkCOUV O O O O3 033 30 23 2 30 3. φεtkIROO==12 30 301 0 3 3µφε.tkLIROO==112 30 302 0 3 3. φεµεε=+()2 30 3 33 .OO BBCC−==rIkOUV O3 030 φ ... compoundsMerry-go-round photoreactor, 450 Hg Lamp, Corning 0.52 and 7 .37 filters for 36 6 nm and 10 3 M K2CrO4 in 3% K2CO 3 for 31 3 nm, AKφ = 2.9 × 10–5 (Nitrobenzene, φ = 0.0022 (2-nitrotoluene, ... first-order reactions of ozone in the O 3 /H2O2 and O 3 /UV oxidation processes, Ozone Sci.Eng., 19, 13 38 , 1997. Copyright 1997 International Ozone Association.NkCCkCODOBO 330 13 =+[]βNkCCkCODOB...

... 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 ... preparation and the mechanism and kinetics of the process.Ti IV O Ti IV H O Ti IV O Ti IV HO H() • () () • () •−+ −→←−+ − +−−+ 32 2 3 2−=−−dCdtkC CBOS BSexp 3 CKCKCOSOOOO 3 33 33 1−=+CKCKCBSBBBB−=+1©2004 ... 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...

... O=−()=−−()== 3 0 33 3 30 33 **GEFkaCCO filmLO O 3 33 =− −()()*GrO bulkO 3 3=©2004 CRC Press LLCTABLE 11.1 (continued)Works on Kinetic Modeling of Ozonation Systems Ozonation ... dispersion model, Ozone Sci. Eng., 23, 36 9 38 4, 2001.18. El-Din, M.G. and Smith, D.W., Development of transient back flow cell model(BFCM) for bubble columns, Ozone Sci. Eng., 23, 31 3 32 6, 2001.19. ... 100 120 140 16014 .37 ×10 3 11.05×10 3 7.74×10 3 4.42×10 3 Ug, ms–14.42×10 3 7.74×10 3 11.05×10 3 14 .37 ×10 3 Ug, ms–1COD × 10–2, mg dm 3 5658606264PO3s, Pa020406080100HaDCODkOOL2 33 =ε©2004...