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ABBREVIATIONSWWTPRTDMRTCSTRDVCFDEDTAUVwaste water treatment plantresidence time distributionmean residence timecontinuously stirred tank reactordead volumecomputer fluid dynamicsethylenediamine tetraacetic acidultraviolet91
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Radiotracer Applications inWastewat
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The following States are Members of
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TRAINING COURSE SERIES No. 49RADIOT
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EDITORIAL NOTEThe use of particular
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PRACTICAL RECOMMENDATIONS .........
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The success of radiotracer applicat
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skimmed out. Flotation, as currentl
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1.3.3. Primary clarifiersA clarifie
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esidence times of phases, mixing ch
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FIG.8. Secondary clarifier: periphe
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processes that occur in natural env
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The RTD and MRT are parameters that
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(b) Perfect mixers in series modelA
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and practically it has better sense
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The experimental RTD curve gives ma
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FIG.18. Experimental and CFD calcul
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Optical tracers can be divided in t
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Table 1b. Liquid tracers.- Field of
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TABLE 2. SOME WATER RADIOTRACERSIso
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The detection efficiency (ϕ) is de
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Since on-line radiotracer technique
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source. The dose received is direct
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4. CASE STUDIESWastewater from indu
Page 48 and 49: FIG.26. Scheme of equalizer-clarifi
Page 50 and 51: FIG.29. Exp. RTD of S2 and S3 jet m
Page 52 and 53: FIG.33. Experimental RTD curves mea
Page 54 and 55: 1. Radiotracer testsRadiotracer Br-
Page 56 and 57: 4.00E-033.50E-03ExperimentalModel3.
Page 58 and 59: 3. Conclusions• The aeration tank
Page 60 and 61: FIG.50. Experimental response curve
Page 62 and 63: 4.8. DIAGNOSIS OF A CYLINDRICAL TWO
Page 64 and 65: FIG.56. RTD simulation for experime
Page 66 and 67: The radiotracer was chosen to trace
Page 68 and 69: (a) D1 - D3 (b) D1 - D4(c) D1 - D6
Page 70 and 71: (d) ConclusionsThe diagnosis of dig
Page 72 and 73: • average gamma energy of 400 keV
Page 74 and 75: To estimate the MRT of the mud insi
Page 76 and 77: FIG.71. Experimental RTD curve and
Page 78 and 79: FIG.75. Biological aeration tank.FI
Page 80 and 81: 4.12.2. Radiotracer experiment(a) L
Page 82 and 83: FIG.80. The experimental RTD curve
Page 84 and 85: FIG.84. Experimental RTD curve of l
Page 86 and 87: FIG.88. Characteristic curves of se
Page 88 and 89: tracer background level detection.
Page 90 and 91: As seen from Fig. 94, the tanks-in-
Page 92 and 93: FIG.99. Experimental RTD curves wit
Page 94: The experimental RTD curves obtaine
Page 98: BIBLIOGRAPHYBORROTO J.I., DOMINGUEZ
Page 105 and 106: 11-21121
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