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, Proceedings of 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, k OHS and k i3 are system dependent and have to be determined...

Ngày tải lên: 11/08/2014, 17:22

... Coefficient Corresponded to Ozone- Buffered Water and Ozone- Tomato Wastewater Systems a Ozone System System Characteristics He ؋ 10 –6 k L a ؋ 10 2 Reference Ozone- buffered water pH 7, 12ºC, I = 0.01 M, ... × 10 –2 92 Ozone wastewater Tomato wastewater, COD = 500 mgL –1 , pH = 6.5 7. 8, 17 18ºC, 35 Lh –1 9.95 c 92 Ozone wastewater Domestic wastewater, COD = 300 mgL...

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... 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 Absorption 6.6.2 Determination of Ozone Properties for the Ozonation Kinetics of Wastewater 6.6.3 Determination of Rate Coefficients for...

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... 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 some inorganic) matter present in water. 2 For this reason, ozone reactions in water can be classified as direct and indirect reactions. The direc...

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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...

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... 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) 25 Roth and Sullivan, 1981 Buffered water (phosphates), NaOH or H 2 SO 4 to keep...

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... 10 –3 k HOB = 0.022 (1,1,1-TCE) k HOB = 0.1 07 (1,1,2-TCE) k HOB = 0. 077 (1,1,2,2-TCE) 10, 1994 1,2-dibromo- 3- chloropropane, DBCP 1 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 aqueous solution, Water Res.,...

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... 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 systems (see Chapter 8 or Chapter ... H., and Ahn, K.H., The reaction mechanism of catalytic oxidation with hydrogen peroxide and ozone in aqueous solution, Water Sci Technol., 47, 179 –184, 2002....

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... 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 mechanism 68 where wastewater and gas phases were considered perfectly mixed. Reaction (11.83), for the ozone direct re...

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