presentazione - inglese · presentazione - inglese Author: ncostantini Created Date: 6/30/2014...
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Transcript of presentazione - inglese · presentazione - inglese Author: ncostantini Created Date: 6/30/2014...
Acque Veronesi
• 61,2 million m3/year (water supplied);
• 800,000 inhabitants;
3
Integrated Water CycleManagement
• 5,400 km of water supply network
• 2,700 km of sewerage network
• 64 sewage treatment plants
• 75 Imhoff tanks
• 32 drinkwater treatment plants
Fognatura
Depurazione
Acquedotto
WASTEWATER TREATMENT PLANT OF VERONA
WASTEWATER TREATMENT PLANT OF VERONA
Design capacity410,000 PE
Flowrate and mass loading
2013
27,265,789 m3
9,413,260 kgCOD
Main technical data
Design capacity: 410,000 PEAverage flowrate (dry time): 1,030 L/s Maximum load: 3,800 L/s
Primary Sedimentation: 3,700 m2
- 11,000 m3
Biological Reactor: 23,800 m3
Air Maximum Capacity: 40,000 Nm3/h
Secondary clarifiers: 8700 m2
- 26100 m3
Anaerobic digestion: 9,400 m3
Operating temperature: mesophilic 34-36 °C Gasometer Volume: 2,000 m
3
CHP: 625 kWe - 722 kWthHot water boliler: 2,000,000 kcal(each)
Sludge dewatering 2,000 kg DM/h
Air treatment system: 90,000-130,000 m3/h
HIGH EFFICIENCY COMPRESSOR
PANEL DIFFUSERS
YEAR 2006 replacement diffusers + new tank construction
237.035274.210
245.323258.287
249.218
180.187
246.325253.344
268.87612.745.431
11.927.896
10.044.547
9.055.379
8.770.5118.494.927
8.373.440 8.148.833
8.338.069
0
50.000
100.000
150.000
200.000
250.000
300.000
0
2.000.000
4.000.000
6.000.000
8.000.000
10.000.000
12.000.000
14.000.000
2005 2006* 2007 2008 2009 2010 2011 2012 2013
PE
kW
h
ELECTRIC ENERGY CONSUMPTION vs
INFLUENT PE
AE medi ossidazione (60 gr…EE totali (kWh/y)
2005 2006* 2007 2008 2009 2010 2011 2012 2013EE totali (kWh/y) 12.745.431 11.927.896 10.044.547 9.055.379 8.770.511 8.494.927 8.373.440 8.148.833 8.338.069AE medi ossidazione (60 gr BOD5) 237.035 274.210 245.323 258.287 249.218 180.187 246.325 253.344 268.876indice EE/AE (kWh/AE) 54 43 41 35 35 47 34 32 31costo EE (€/kWh) 0,13 0,13 0,13 0,13 0,13 0,13 0,13 0,15 0,16risparmio teorico rispetto 2008 (€) 363.321,28-€ 405.902,61-€ 623.428,22-€ 597.270,38-€ 153.994,75-€ 628.428,18-€ 821.033,06-€ 979.113,62-€ * 4 MESI di funzionamento del nuovo sistema
CHP SYSTEM
Production of gas and co-generation
BiogasProduced
and consumed
Total biogas produced
(mc)
Biogas consumed SMC Cogeneration
(mc)
Energy production
(kWh)
Biogas flarestack(mc)
Hot Water Boiler (mc)
January 210,478 194,924 418,320 1,3944 1610February 179,787 175,084 376,255 2,947 1756
March 202,203 198,523 429,833 3,680 0April 166,907 166,044 360,150 863 0May 154,117 151,325 327,635 2,697 95June 145,211 143,024 309,180 2,183 4July 130,359 127,542 277,270 2,815 2
August 101,239 100,919 221,160 318 2September 136,431 115,733 252,517 17,414 3,284
October 169,002 166,667 366,003 2,268 67November 197,837 185,058 407,540 12,702 77December 211,560 193,251 425,323 18,307 2Total Year 2,005,131 1,918,094 4,171,185 80,138 6,899
Energy Production and Consumption
SCRUBBER AND TANKS COVER
Thank you for your attention
