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

... 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 (5.54)]: (6. 20)Equation (6. 20) ... Lh–17 .66 × 10 6 b5.91 × 10 6 92 Ozone wastewater Tomato wastewater, COD = 500 mgL–1, pH = 6. 5–7.8, 17–18ºC, 35 Lh–17.05b 6. 99 × 10–292 Ozone wastewater Tomato wastewater, COD = 500 ... presented for comparative reasons. As can be seen, valuesTABLE 6. 5Data on Henry Constant and Volumetric Mass Transfer Coefﬁcient Corresponded to Ozone- Buffered Water and Ozone- Tomato Wastewater Systems aOzone...

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

... the Ozone Absorption 6. 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 ... Ozonation Reactions5.5 Comparison Between Absorption Theories in Ozonation ReactionsReferences Chapter 6 Kinetics of the Ozonation of Wastewaters 6. 1 Reactivity of Ozone in Wastewater 6. 2 Critical ... Concentration of Wastewater 6. 3 Characterization of Wastewater 6. 3.1 The Chemical Oxygen Demand 6. 3.2 The Biological Oxygen Demand 6. 3.3 Total Organic Carbon 6. 3.4 Absorptivity at 254 NM (A254) 6. 3.5...

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

... Soc., 31, 66 8 68 1, 1935.20. Staehelin, S. and Hoigné, J., Decomposition of ozone in water: Rate of initiation byhydroxyde ions and hydrogen peroxide, Environ. Sci. Technol., 16, 66 6 68 1, 1982.21. ... 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 ... treat wastewater? Try ozone, Chem. Eng., May,112–1 16, 1993. 6. Hoigné, J., Chemistry of Aqueous Ozone and Transformation of Pollutants by ozona-tion and Advanced Oxidation Processes, in The Handbook...

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, ... coefﬁcients of the ozone- B and ozone- Rreactions and krel the ratio of their corresponding reaction rate constants. Aftervariable separation and integration, equation (3. 16) leads to (3.17)which...

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), ... other hand, the reaction time,tR, is deﬁned as that required for the reaction to proceed at an appreciable rate. Theexpression for both is14: (4.84) and (4.85) or (4. 86) for ﬁrst and...

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

... equations and integrating between the limits: (5 .65 )Equation (5 .66 ) is obtained: (5 .66 )Although the reactions develop in a zone in the ﬁlm layer, the concentrations of B and R must be constant and ... SECONDARY REACTIONSOnce the ozone decomposition reaction has been suppressed, the next step beforeaccomplishing the kinetic study of any ozone- B direct reaction is to check theimportance of ozone reactions ... transformed to the sameunits for comparative reasons. 26, 32The ozone solubility and, consequently, the Henry constant of the ozone- water system is usually determined from experiments of ozone...

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, ... THE DIRECT OZONE B REACTION AND THE OZONE DECOMPOSITION REACTION * In Section 5.2 and Section 5.3, the kinetic regimes of the ozone decomposition reaction and any ozone B direct reaction were ... initiation reactions of ozone decomposition (i.e., reactions of ozone with hydrogen peroxide, direct ozone photolysis,or some catalytic-induced reaction) that constitute the so-called ozone- involvedadvanced...

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

... alachlor in water, Water Env. Res., 72, 68 9 69 7, 2000.35. Beltrán, F.J., García-Araya, J.F., and Álvarez, P.M., Sodium dodecylbenzene sulfonateremoval from water and wastewater, 1. Kinetics of ... Corning 0.52 and 7.37 ﬁlters for 366 nm and 10–3M K2CrO4 in 3% K2CO3 for 313 nm, AKφ = 2.9 × 10–5 (Nitrobenzene, φ = 0.0022 (2-nitrotoluene, 366 ) etc. AK 21, 19 86 Chloroaromatics ... H., Photochemical reactions of ozone in solution, Trans. Faraday Soc., 53, 65 6 66 5, 1957.20. Soley, J. et al., Kinetic study of 4-chloro-2-methylphenoxyacetic acid photodegrada-tion, Ind. Eng....

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

... inﬂuences the kinetics. For a given ﬁrst-ordercatalytic ozone reaction and zero-order for B (usual case in heterogeneous catalyticozonation 66 ), and according to Equation (10.28) and Equation ... 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 ... 2002. 67 . Fu, H., Karpel vel Leitner, N., and Legube, B., Catalytic ozonation of chlorinatedcarboxylic acids with Ru/CeO2-TiO2 catalyst in aqueous system, New J. Chem., 26, 166 2– 166 6, 2002. 68 ....

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

... dm–3 56 58 60 62 64 PO3s, Pa02040 60 80100HaDCODkOOL233=ε©2004 CRC Press LLC2. For ozone in the water phase: (11 .62 )3. For any nonvolatile species in water: (11 .63 )4. In ... started from the Staeheling and Hoigné mechanism 68 where wastewater and gas phases were considered perfectlymixed. Reaction (11.83), for the ozone direct reactions, and Reaction (11.84) werealso ... International Ozone Association.)COD, mg dm–35400 560 05800 60 00 62 00 64 00 66 00t, minA0 20 40 60 80 100 120 140 160 7.74×10–34.42×10–32.21×10–3Ug, ms–1t, minB0 20 40 60 80 100 120 140 160 050100150200250300PO3,...

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