AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 3 ppt

... Mid-widthTABLE 3. 3Clean Water Oxygen Transfer Efficiency — Aspirators and JetsType and PlacementAirflow Rate(m 3 N/h/unit)Submergence(m)SOTE (% ) SAE(kg/kWh) ReferenceJets Dir 21.1 119 ... calculationTABLE 3. 2Clean Water Oxygen Transfer Efficiency — Nonporous DiffusersType and PlacementAirflow Rate(m 3 N/h/unit)Submergence(m)SOTE (% ) SAE(kg/kWh) ReferenceFixed orifice S 9 .3 32 .8 7 .3 21–25 ... 4.1–6.124-cm grid 1.1–4.7 4.4–5.5Ceramic dome18-cm grid 0.8 3. 9 3. 4–6.0Perforated membrane discb51-cm 24–172 2.7–4.6 30 -cm 13 237 2.7–6.1 2 3- cm 13 280 2.4–7.1Panelb4–74 3. 1–6.91.0 mN 3 /h...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 4 ppt

... hs21 1 () = () + () ⋅∆SOTE hSOTE h SOTE hhs () = () − () 21∆SOTE hd SOTE hdhSOTE SOTE hzH hHhSOTE SOTE h hssoSSso () = () []=⋅− () []⋅+⋅ − () []+⋅− () []=⋅− () []⋅ () () 110 ... hHhSOTE SOTE h hssoSSso () =⋅− () []⋅+⋅ − () []+⋅− () []=⋅− () []⋅ () () 110 00 13 1 13 exp .ΦΦ hzH hHhSS () =+⋅ − () []+⋅− () [] () 10 00 13 13 exp . © 2002 by CRC Press LLC ... − () []⋅− () [] 11 SOTE hkacVGHSOTE hzH hHhsLo o sosSS () =⋅⋅ ⋅⋅⋅⋅− () []⋅+⋅ − () []+⋅− () [] () 30 0110 00 13 13 exp .SOTE h SOTE SOTE hzH hHhSOTE SOTE h hssoSSso () =⋅− () []⋅+⋅...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 1 ppsx

... RiverManhattan,NY7.5 (1 7 0) Diffused,fine pore968 (1 98 6) 5.57 7.12 (1 99 8) 7. 43 (1 99 9) 15.716.8(Conklin, 2001;Leonforte, 199 8) Red Hook Brooklyn,NY2.6 (6 0) Diffused 232 (1 98 8) 16.8 2.49 (1 99 8) 2.29 (1 99 9) 2524(Conklin, 2001;Leonforte, ... 2001;Leonforte, 199 8) Owls HeadBrooklyn,NY5 .3 (1 2 0) Diffused 38 0 (1 99 5) 27 7.15 (2 00 0) 17 (Clarke, 200 1) West PointSeattle,WA5.8 (1 3 3) High purity O 2 •surface•4 stage229 (1 99 5) 19 .3 (Hildreth,1999;Hildreth, ... Coney IslandBrooklyn, NY4.4 (1 0 0) Diffused,fine pore650 (1 99 0) 20 4. 43 (1 99 8) 4.05 (1 99 9) 20.1–25.5 * 20 .3 25.2 * (Conklin, 200 1) North RiverManhattan,NY7.5 (1 7 0) Diffused,fine...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 2 docx

... 14.62 20 .3 10 11. 29 25.120 9.09 29.8 30 7.56 34 .040 6.41 37 .6FIGURE 2.10 Effect of temperature on oxygen saturation.Cs*Hmg Lmg Lairwater,* () () () *.* () =− () () ° () Hp psiaCT ... 30 10000 28028 0 3 ...%.%SOTElbhscfmSOTE=×==1851 04 637 0 27 93 27 9..%.%wkgh G Gm hwlbh GhG scfmossNoss () =× = () () =× × = () 0 231 5 1 2 93 0 30 0 23 0 075 60 1 04 3 ... hSOTESOTR lb hG scfmsNs= () () = () ()  030 104 3 ..OTR VdCdtKa C C VfLPROCESSLffL==− () ∞*OTRSOTRKa C CKa CfLffLL=− () ∞∞**20 20 © 2002...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 5 doc

... turbine/50hp1unit45 (6 0) 22 (3 0) 16 (8 0) 7 (4 0) 69 (8 . 6) 33 (4 . 3) — — 0.95 (1 .5 7) 1. 13 (1 .8 6) Field/ total barrierditch/d = 4.0 mBoyle et al., 1989AS Float/20hp 14 (1 9) 47.8 (2 4 2) — 2900 65 (2 6) 0.40 (0 .6 6) ... diffuser40hp/1unit45 (6 0) * 23 (1 1 6) 210 (2 6. 1) — — 1.55 (2 .5 5) Field/d = 9.2 mgas flow = 420 scfmStenstrom, 1989ST Draft tube turbine/75hp2 units1 23 (1 6 5) *60 (8 0) 106 (1 4 2) 182 (2 4 4) 24 (1 1 0) 11 (5 3) 20 (9 4) 35 ... nrpmSubmcm(in)(wire)SAEkg/kWh(lb/hp-h) Notes ReferenceHS Arch.screw/float 11. 3 (1 5. 3) 51 (2 5 7) 196 (2 4. 4) 1450 — 1.51 (2 .4 7) Shop/d = 3. 83 m GSEE, 1997aHS Arch.screw/float 18.9 (2 5. 3) 85 (4 3 1) 32 6 (4 0. 4) 1460...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 6 pdf

... efficiencies in aeration tanks(Okun and Lynn, 195 6). In 19 53, Budd and Lambeth (1 95 7), under the auspices of Dorr-Oliver, conductedstudies on a 55–160 m 3 /d (8 30 gpm) bio-precipitation pilot plant ... equilibrium constant for CO2 system, 6 .35 at 25°C Qm 3 /h liquid flow rateRm 3 -atm/gmole-K universal gas constant (8 .205∗10–5 m 3 -atm/gmole-K)rvmg/L-h reaction rateRQ mole CO2/mole O2respiratory ... DEVELOPMENT1990 - COVERED TANK- SURFACEAERATORS Lotepro - UNOX®; Kruger - Oases®OPEN TANK HPO SYSTEM DEVELOPMENT197 1-1 990PILOT & FULL SCALE Martin Marietta (1 97 1) - FMC(198 0) - ZimproMarox™...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 7 pot

... GCGGCCGGGG 030 3 0 3 300−==CpMRTg=OTECCCCpM pMpM pMppppfgGgG=− =− = 11 1 3 030 11 33 10 1 30 3 130 10 3 pppp 13 31101+==−.OTEppppf=−− () =−−10 79050 2095 11 3 7 73 11111...pmmR10 ... dispersion and velocity of flow in the tank.For Ridgewood, NJ, fine pore diffusers in tanks 35 .4 m (1 16 ft) long and 7 .3 m (2 4ft) wide, it varied from 0.1 to 0 .3/ h. In long, 91.4 m (3 00 ft), narrow, ... EPA-600/ 9-8 5-0 05, 37 5 39 9.Mueller, J. A. and Boyle, W. C. (1 98 8). “Oxygen Transfer Under Process Conditions.” WPCF,6 0 (3 ), 33 2 34 1.Mueller, J. A., Donahue, R., and Sullivan, R. (1 98 2). “Dual Nonsteady State...

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AERATION: Principles and Practice ( VOLUME 11 ) - Chapter 9 (end) ppt

... betweeninitial investment and long-term operation and maintenance (O and M) expenditures.Many long-term O and M expenditures are determined by the capabilities and con-straints initially designed ... willbe most effective. The manual of practice FD- 13 (WPCF, 198 8) and the EPA finepore aeration design manual (EPA, 198 9) provide an excellent data base and biblio-graphy on experiences with porous ... airflow rate and power. Assuminga 4 .3 m (1 4 ft) submergence, a diffuser airflow rate of 1.6 m 3 N /h (1 .0 scfm) for a2.0 mg/L residual DO, and a typical relationship for airflow rate and SOTE...

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SAMPLING AND SURVEYING RADIOLOGICAL ENVIRONMENTS - CHAPTER 3 ppt

... (alteringthe nuclear structure), and the new nucleus becomes radioactive. The four mostcommon cosmogenic radionuclides are H -3 (tritium), Be-7, C-14, and Na-22. Ofthese, H -3 , C-14, and Na-22 ... h0.9 83 1.0141 .115 1.171.742.0876.6 3. 4 32 1280 .33 80. 911 0.9691.588 11. 427.716.6 3. 5 (+ 33 more βs)Radiothorium 1.9 13 year 5 .34 5.4226.772.40.840. 132 0.1660.2161.190 .11 0.080.27↓Thorium ... 5.9786. 038 20.2 23. 324.40.0500. 236 0 .30 00 .30 40 .33 08.5 11. 22.01.12.7Actinium K 21.8 min 5.44 ~0.006 1.15 ~100 0.050 0.0798 34 9.2U 235 92Th 231 90Pa 231 91Ac22789Th 237 90Fr2 23 87©...

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Fibonacci applications and strategies for traders Chapter 3 ppt

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