Ozonation and PAC addition schemes, results - EU Project Neptune

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Short-circuiting in ozonation reactor 14 Three-dimensional CFD-simulation for Q = 0.15 m 3 sec -1 , <strong>and</strong> O 3 -dosage = 5 g m -3 Markus Gresch, Process Engineering, Eawag
Behavior during stormwater 2007-12-06 08:00:00 bis 2007-12-07 08:00:00 Q [l/s] 300 250 200 150 100 Q Zulauf Reaktor (14079m^3) DOC Zulauf Reakor (4.7mg/L) O3 gelöst Ablauf K2 (0.1mg/l) O3 gelöst Ablauf K6 (0mg/l) 7h 8 7 6 5 4 DOC [mg/l] 2 1.8 1.6 1.4 1.2 1 0.8 0.6 O3 gelöst K2+6[mg/l] 50 3 0 2 0.4 0.2 0 Dosis DOC [gO3/kgDOC] 1000 800 600 400 200 Solldosis DOC (600 gO3/kgDOC) Solldosis minus Eintragseinbusse (588 gO3/kgDOC) Aus Daten berechnete effektive Dosis DOC (357 gO3/kgDOC) Resultierende effektive Dosis Rohw asser (1.59 mg/L) 10 8 6 4 2 Dosis Rohw. [mgO3/l] 0 0 2007-12-06 08:00:00 2007-12-07 08:00:00 15 8:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 24:00 2:00 4:00 6:00 8:00
Page 1 and 2: Ozonation and PAC addition schemes,
Page 3 and 4: Ozonation 7 1.7m3 effluent FS 0 1.3
Page 5 and 6: Effect of ozone concentration on el
Page 7 and 8: Elimination efficiency of toxic eff
Page 9 and 10: Cancerogenic nitrosamines - byprodu
Page 11 and 12: AOC formation in the ozonation reac
Page 13: Electrical energy for ozon from air
Page 17 and 18: PAC addition - Overview • Introdu
Page 19 and 20: Effect of background DOC Iopamidol
Page 21 and 22: PAC addition to secondary effluent
Page 23 and 24: Impossible d'afficher l'image. Votr
Page 25 and 26: Full-scale experiments at WWTP Opfi
Page 27 and 28: Elimination of background DOC Dosag
Page 29 and 30: In-vivo Tests in a flow-through sys
Page 31 and 32: Conclusions for PAC addition Sorpt

Ozonation and PAC addition schemes, results - EU Project Neptune

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