Ozonation and PAC addition schemes, results - EU Project Neptune

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Ozone dosage Full-scale ozonation Online measurement of ozone <strong>and</strong> DOC (as UV absorption) Control of ozone concentration by DOC measurements Ozone concentration: 0 – 1200 g /kg DOC ≈ 0 – 6 mg/L Ozone Sampling 10 sampling compaigns 24h- or 48h-volume proportional composite samples Fitration on-site (0.7 µm glassfiber filters) Analysis Micropollutants Ecotoxicity Pathogens
Effect of ozone concentration on elimination efficiency Calculation: 100 – 100 *c after ozonation / c secondary effluent Diclofenac Trimethoprim Sulfapyridin Carbamazepin Ozone in g/kg DOC 966 +/- 271 617 +/- 47 396 +/- 63 Clarithromycin H 3 C O Sulfamethoxazol CH 3 CH 3 HO H 3 C O O OH CH 3 O O O O HO O OH N CH 3 O Metoprolol Methylbenzotriazol Benzotriazol Atenolol O Mecoprop H 2 N S O N H N O Atrazin 0 20 40 60 80 100 Eliminiation (%)
Page 1 and 2: Ozonation and PAC addition schemes,
Page 3: Ozonation 7 1.7m3 effluent FS 0 1.3
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 and 14: Electrical energy for ozon from air
Page 15 and 16: Behavior during stormwater 2007-12-
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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