Ultraviolet Light in Water and Wastewater Sanitation - Chapter 1 pptx

... in early publica-tions of Walden and Powell [19 11] , von Recklinghausen [19 14], Spencer [19 17],Fair [19 20], and Perkins and Welch [19 30]. All these applications were abandoned in the late 19 30s. ... Contents Chapter 1 Introduction 1. 1 Historical: Use of Ultraviolet Light in Drinking Water Treatment 1. 2 Present State of Standards and Regulations 1. 3 Deﬁnition of Ultraviolet Light: Range and ... according to the black body theory. 1 200 300 400 500 600 700 800 900 10 00 11 002345678 910 111 213 1 415 16 10 3 10 1 0 10 1 234563500°K3200°K3000°K2800°K2500°K% of total from 200 at 400...

Ultraviolet Light in Water and Wastewater Sanitation - Chapter 2 ppt

... elements and compounds of interest in the generationof UV light. 300 10 −8 10 −7 10 −6 10 −5 10 −4 10 −3 10 −2 10 1 1 10 10 2 10 3400 500 600 700 800 900 10 00 11 00 12 00 13 00 14 00 15 00Vapor ... Hg)300 10 −8 10 −7 10 −6 10 −5 10 −4 10 −3 10 −2 10 1 1 10 10 2 10 3400 500 600 700 800 900 10 00 11 00 12 00 13 00 14 00 15 00Vapor pressure (mm Hg)Temperature (K)Temperature (K)0 200 400 600 800 10 00 ... according the Grothius diagram.aSetting 10 0% at the 313 -nm line (typical lamp Philips HTQ -1 4 ); 10 0% corresponds to200 W (UV) output in a 5-nm range 310 to 315 nm.bSetting 10 0% at the 365-nm line...

Ultraviolet Light in Water and Wastewater Sanitation - Chapter 3 doc

... (cm3)E (cm 1 ) (water) m k 1 (s 1 )E (cm 1 ) (water + PHBA) m k 1 (s 1 )4.54 12 5 0.046 0. 712 −0.0429 1. 84 0.340 −0.02556.49 300 0.046 0.546 −0.0370 1. 84 0 .15 5 −0. 010 78.42 560 0.046 ... Hewitt [19 01] and the drinking water ofthe city of Marseille in France was disinfected with UV light as early as 19 10. The reliable operation and functioning of 5000 plants cannot be ignored in ... Masschelein et al., 19 89]. See alsoMaier et al. [19 95] and ISO-DIS 10 705 [19 93] Part 1. A safety factor of 1. 3 has been suggested for 4-D 10 inactivation of viruses vs.the observed value for 4-D 10 ...

Ultraviolet Light in Water and Wastewater Sanitation - Chapter 4 pdf

... and reactor design. Typical values for k are, for example, 0. 016 /min for a low-pressure8-W(e) lamp (without the 18 5 nm-line), and 0.033/min for a 15 -W(e) lamp transmit-ting also the 18 5 nm-line. ... Ku and Ho [19 90]; Lipczynska-Kochany and Bolton [19 92]; Sundstrom et al. [19 89]; Yue and Legrini [19 89, 19 92]; and more related to waste treatment, Yost [19 89].Organochlorine pesticides—Bandemer ... [19 90];Bernardin [19 91] ; Beyerle-Pfnür et al. [19 89]; Cater et al. [19 91] ; Glaze and Kang [19 90]; Guittonneau et al. [19 88a,b, 19 90]; Ho [19 86]; Peterson et al. [19 90]; Sundstrom et al. [19 89]; Symons...

Ultraviolet Light in Water and Wastewater Sanitation - Chapter 5 pps

... propanols— 2-( 2-hydroxypropoxy ) -1 -propanol, 1- ( 2-ethoxypropoxy )-2 -propanol, 1- ( 2-methoxypropoxy ) -1 -propanol—atparts per billion levels appear unchanged at the preceding UV irradiationdoses.Toxicity to ﬁsh of UV-treated ... on the number ofEuropean applications in wastewater treatment. 5 .1 REGULATIONS AND GUIDELINES FOR DISINFECTION OF TREATED WASTEWATER Concerning wastewater reuse for the purpose of irrigation ... layer of 1 cm of wastewater. The exposurewas estimated at the exposure of 1 h sunlight at 12 noon (in the Californian sky).The present conclusions on photorepair include:• In wastewater disinfection...

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

... Band II, Kap.(Aug. 19 73).DIN (German Normalization Institute), Standard 503 1- 1 0, 19 96.Dodin, A. et al., Bull. Acad. Nat. Médecine (France), 15 5, 44, 19 71. Dohan, J.M. and Masschelein, ... Chelsea,MI, 19 87, chap. 73.Nicole, I. et al., Environ. Technol., 12 , 21, 19 91. NWRI, Ultraviolet Disinfection Guidelines for Drinking Water and Water Reuse, National Water Research Institute, ... (19 96); ÖNORM M 587 3 -1 , ed., 200 1- 0 3-0 1, 20 01. AWWA, Recommendations for raw water quality, J. Am. Water Works Assoc., 60, 13 17, 19 68.Bandemer, Th. and Thiemann, W., in Proc. IOA Symposium,...

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

... Regimes in Ozonation 11 .5 In uence of the Type of Water and Gas Flows 11 .6 Mathematical Models 11 .6 .1 Slow Kinetic Regime 11 .6 .1. 1 Both Gas and Water Phases in Perfect Mixing Flow 11 .6 .1. 2 Both ... of Wastewater Ozonation 11 .8 .1 Case of Slow Kinetic Regime: Wastewater with Low COD 11 .8 .1. 1 Kinetic Modeling of Wastewater Ozonation without Considering a Free Radical Mechanism 11 .8 .1. 2 Kinetic ... Gas and Water Phases with Axial Dispersion Flow 11 .6.2 Fast Kinetic Regime 11 .6.2 .1 Both the Water and Gas Phases in Perfect Mixing 11 .6.2.2 The Gas Phase in Plug Flow and the Water Phase in...

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

... ΦM ), Einstein.cm.mol 1 s 1 107 10 8 10 9 10 10 10 11 10 12 10 13 rR /rUV 10 12 10 11 10 10 10 9 10 8 10 7 10 6 10 5 10 4 10 3 10 2 10 1 100 10 1 Io = 10 –8Io = 10 –6Io ... ΦM ), Einstein.cm.mol 1 s 1 106 10 7 10 8 10 9 10 10 10 11 10 12 rR /rUV 10 6 10 5 10 4 10 3 10 2 10 1 100 10 1 10–2 10 –3 10 –4CH2O2t = 5 10 –3, MCH2O2t = 5 10 –5, MCH2O2t ... 10 –7 10 –6 10 –5 10 –4r 1 R /r2D 10 8 10 7 10 6 10 5 10 4 10 3 10 2 10 1 100 10 1 10–2 10 –3I0, Einstein.I 1 s 1 pH 10 pH 7pH 4rrkCILiiiOH2 1 230 10 19 240 10 2 303=+×()−−pH...

PESTICIDES IN AGRICULTURE AND THE ENVIRONMENT - CHAPTER 1 pptx

... Quality. Integrated Pest Management. Washington, DC:Supt Documents, US Govt Printing Office, Stock No. 411 1- 0 010 , 19 72. 11 . US Congress. National Environmental Policy Act. Pub. L. 9 1- 1 90, 42 U.S.C. ... Agricul-tural Research and General Legislation of the Committee on Agriculture and For-estry, Sept 30 and Oct 1, 19 71. US Senate, 92nd Congress; S. 17 94. Washington,DC: US Govt Printing Office, 19 71. 6. ... providing funds for the Huffaker Project, the USDA ex-panded the pilot pest management program in fiscal years 19 72 and 19 73 toinclude cotton in all major cotton-producing states and initiated...

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

... 10 10 M 1 sec 1 (2.45) 50 sec 1 (2.46) 10 5 M 1 sec 1 (2.47) 1. 1 × 10 10 M 1 sec 1 (2.48) 3.3 × 10 7 M 1 sec 1 (2.49) 4.2 × 10 6 M 1 sec 1 (2.50) 2 × 10 9 M 1 sec 1 (2. 51) ... × 10 8 M 1 sec 1 (2.58) 7 × 10 4 M 1 sec 1 (2.59) 2 × 10 5 M 1 sec 1 (2.60) 4 .1 × 10 9 M 1 sec 1 (2. 61) 4.9 × 10 9 M 1 sec 1 (2.62) 2 × 10 9 M 1 sec 1 (2.63) 1. 4 ... M 1 sec 1 (2. 51) 10 10 M 1 sec 1 (2.52) 2 × 10 9 M 1 sec 1 (2.53) 8.24 M 1 sec 1 (2.54) 8 × 10 7 M 1 sec 1 (2.55) 4.5 × 10 9 M 1 sec 1 (2.56) 2 × 10 9 M 1 sec 1 (2.57)...

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