Ultraviolet Light in Water and Wastewater Sanitation - Chapter 6 (END) ppsx

... 1977. Masschelein, W.J., Coordinated Proceedings of IOA Conferences, Amsterdam, International Ozone Association, Paris, France, 19 86 and 19 96. Masschelein, W.J., Unit Processes in Drinking Water Treatment, ... Environ. Technol., 12, 21, 1991. NWRI, Ultraviolet Disinfection Guidelines for Drinking Water and Water Reuse, National Water Research Institute, Founta...

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... and Photorepair after Exposure to Ultraviolet Disinfection of Wastewater 5.4 Applied Ultraviolet Doses in Wastewater Disinfection 5.5 Choice of Lamp Technology in Wastewater Disinfection 5 .6 ... published Ultraviolet Disin- fection Guidelines for Drinking Water and Water Reuse [NWRI, 2000]. In June 2001, the International Ultraviolet Association (IUVA) held...

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... 24 18 2 96. 7 8.847 20 30 23 302.3 9. 560 –9. 565 40 48 36 313 8.847–8.854 100 75 56 365 8.847–8.859 71–90 100 75 404.7 7.733 39 36 27 407.8 7.928 6 8 6 435.8 7.733 68 71 53 5 46. 1 7.733 80 88 65 577 ... according the Grothius diagram. a Setting 100% at the 313-nm line (typical lamp Philips HTQ-14); 100% corresponds to 200 W (UV) output in a 5-nm range 310 to 315 nm. b Setting 10...

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... toward the inside wall of the reactor [Leuker and Hingst, 1992]. The effect is illustrated sche- matically in Figure 66 . FIGURE 66 Schematic of irradiation profile in a single lamp cylindrical-type ... micropollutants in drinking water remains of marginal importance in the disinfecting process with UV light. In pho- tochemical oxidations the conclusion can be different (see...

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... because the combination UV-H 2 O 2 promotes less formation of bromate ion in bromide-containing water [Kruithof and Kamp, 2000]. 4.3 SYNERGISM OF OZONE AND ULTRAVIOLET LIGHT IN WATER SANITATION 4.3.1 ... and reactor design. Typical values for k are, for example, 0.0 16/ min for a low-pressure 8-W(e) lamp (without the 185 nm-line), and 0.033/min for a 15-W(e) lamp transmi...

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... propanols— 2-( 2-hydroxypropoxy )-1 -propanol, 1-( 2-ethoxypropoxy )-2 -propanol, 1-( 2-methoxypropoxy )-1 -propanol—at parts per billion levels appear unchanged at the preceding UV irradiation doses. Toxicity to fish of UV-treated ... Mixing conditions and intensity distribution patterns are illustrated in Chapter 3 (Figures 80, 81, 82). 5.5 CHOICE OF LAMP TECHNOLOGY IN...

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... 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) ... purposes. Rice and Browning 11 classified these industries in 21 categories as listed in Table 6. 1. Also, other wastewater such as those produced in the pesticide manufacturin...

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... 11 .6. 2.1.). In Section 11.8, an example of the kinetic model for the ozonation of industrial wastewater in the fast kinetic regime is presented. In Section 6. 6.3.1, a kinetic study to determine ... 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...

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... 1.3 0.01 0.01 Cu 100 480 1 860 2.4 16 Cd 100 69 0 267 0 2.4 23 Pb 100 19000 73300 2 .6 633 Cr III 100 167 00 64 400 2 .6 5 56 Note : Based on a soil depth of 25 cm, a rain in ltration rate of 3000 ... − dM dt EADADAD T 5 522 566 555 =++− dM dt EAD AD T 6 65 566 6 =+ − DDDDD TAR113 1 112 =+++ DDDDD TRA22125 2 2 =++ + DDDDD TR3313234 3 =+++ DDDDD TRA44342 4 4 =+++ D DDD TR5 56 52 5...

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... Regime 11 .6. 1.1 Both Gas and Water Phases in Perfect Mixing Flow 11 .6. 1.2 Both Gas and Water Phases in Plug Flow 11 .6. 1.3 The Water Phase in Perfect Mixing Flow and the Gas Phase in Plug Flow 11 .6. 1.4 ... and Engineering and International Water Quality . He has collaborated in the peer reviewing process of many scientific and engineering jour- na...

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