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

... ozonation) b-a-b a-b-a b-a-b-a-b a-b-a-b ©2004 CRC Press LLC experimental conditions applied. For this kinetic regime the ozone absorption rate is [see also Equation (5.54)]: (6. 20) Equation (6. 20) ... Lh –1 7 .66 × 10 6 b 5.91 × 10 6 92 Ozone wastewater Tomato wastewater, COD = 500 mgL –1 , pH = 6. 5–7.8, 17–18ºC, 35 Lh –1 7.05 b 6. 99 × 10 –2 92 Ozone wastewater Tomato...

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... 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 Reactions 5.5 Comparison Between Absorption Theories in Ozonation Reactions References Chapter 6 Kinetics of the Ozonation of Wastewaters 6. 1 Reactivity of...

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... Soc., 31, 66 8 68 1, 1935. 20. Staehelin, S. and Hoigné, J., Decomposition of ozone in water: Rate of initiation by hydroxyde 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 DECOMPO...

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... 20ºC: 1,5-naphthalene-disulphonic acid: 41. 1-naphthalene- sulphonic acid: 252. 3-nitrobenzene-sulphonic acid: 22 39 (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....

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... 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 ... an analytical solution for the case of fast reactions (C Ab = 0) and Ha 1 > 1: (4.58) 4.2.2.2 Irreversible Second-Order Reactions For the kinetics of the second-order gas...

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... 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 REACTIONS Once the ozone decomposition reaction has been suppressed, the next step before accomplishing the kinetic study of any ozone- B direct reaction is to c...

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... Ozonation of US drinking water sources: HO concentration and oxidation-competition values, in Ozone in Water and Wastewater, Proceedings of 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...

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... 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 sulfonate removal from water and wastewater, 1. Kinetics of ... Corning 0.52 and 7.37 filters for 366 nm and 10 –3 M K 2 CrO 4 in 3% K 2 CO 3 for 313 nm, AK φ = 2.9 × 10 –5 (Nitrobenzene, φ = 0.0022 (2-nitrotoluene, 366 ) etc. AK...

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... influences the kinetics. For a given first-order catalytic ozone reaction and zero-order for B (usual case in heterogeneous catalytic ozonation 66 ), and according to Equation (10.28) and Equation ... be formed from the reaction between photogenerated and adsorbed hydrogen peroxide and ozone in a similar way that occurs in the ozone/ hydrogen peroxide and ozone/ UV...

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... dm –3 56 58 60 62 64 P O3s , P a 0 20 40 60 80 100 Ha DCOD k OO L 2 33 = ε ©2004 CRC Press LLC 2. 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 perfectly mixed. Reaction (11.83), for the ozone direct react...

Ngày tải lên: 11/08/2014, 17:22