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

... steps: (10. 79) (10. 80) (10. 81) Charge carrier trapping: (10. 82) (10. 83) (10. 84) (10. 85) (10. 86) Hydroxyl radical reactions: (10. 87) (10. 88) (10. 89) (10. 90) (10. 91) Other charge carrier and free ... decomposition: (10. 39) (10. 40) (10. 41) (10. 42) Heterogeneous decomposition surface reaction: For pH 2 to 6: (10. 43) (10. 44) (10. 45) In addition, for p...

Ngày tải lên: 11/08/2014, 17:22

... 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...

Ngày tải lên: 11/08/2014, 17:22

... 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 ... homogeneous and heterogeneous ozone reactions. Chapter 4 and Chapter 5 continue with studies on direct ozone reaction kinetics, but they exclusively deal with...

Ngày tải lên: 11/08/2014, 17:22

... 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 ... consumed 1 10 100 ∆M O 3 × 10 5 , ozone mole consumed Actual stoichiometric ratio, 1/z Slope = 1 1 10 100 ©2004 CRC Press LLC 27. Dowideit, P. and von Sonntag, C., Reaction of oz...

Ngày tải lên: 11/08/2014, 17:22

... reaction. E 10 2 10 2 10 1 10 –1 10 –2 10 –3 10 –4 10 –5 10 –5 10 –4 10 –3 10 –2 10 –1 10 1 10 2 10 –6 10 –7 10 –8 10 –9 10 10 1 1 Hatta number β/aδ L =10 6 β/aδ L =10 3 β/aδ L =1 E = Ha Fast reaction zone Slow reaction zone rkCC AAB =− 2 D C x kCC A A AB ∂ ∂ = 2 2 2 D C x zk ... found for C Br : (4.37) FIGURE 4.3 Variation of the reacti...

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

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 ... cycle b = basic cycle b (Simple 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 absorp...

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... permission.) k HO /zk D pH 10 pH 7 pH 4 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 10 10 r R /r D 10 5 10 4 10 3 10 2 10 1 1 10 –1 10 –2 10 –3 10 –4 10 –5 10 –6 10 –7 10 –8 10 –9 10 10 10 –11 −= ... International Ozone Associ- ation. With permission.) k D , M –1 s –1 (or k, s –1 ) 10 –6 10 –5 10 –4 10 –3 10 –2 10 –1...

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... 10 8 10 9 10 10 10 11 10 12 10 13 r R /r UV 10 12 10 11 10 10 10 9 10 8 10 7 10 6 10 5 10 4 10 3 10 2 10 1 10 0 10 –1 I o = 10 –8 I o = 10 –6 I o = 10 –4 ©2004 CRC Press LLC Equation ... International Ozone Association. With permission.) 10 –8 10 –7 10 –6 10 –5 10 –4 r 1R /r 2D 10 6 10 5 10 4 10 3 10 2 10 1 1...

Ngày tải lên: 11/08/2014, 17:22

... balance 7, 2002 Ozone/ natural water and ozone/ wastewater (Theoretical studies) Ozone bubble columns Slow and fast regimes, comparison of axial dispersion and back flow cell models for the ozonation ... started from the Staeheling and Hoigné mechanism 68 where wastewater and gas phases were considered perfectly mixed. Reaction (11.83), for the ozone direct reac...

Ngày tải lên: 11/08/2014, 17:22