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APPENDIX
A q u a s a v e p r o j e c t .
ENEA : e n v i r o n m e n t d e p a r t m e n t . L i f e 9 7 En v / I t 0 0 0 1 0 6
Pr e s e n t a t i o n
TREATMENT
RA
INW
ATE
R
GR
AYW
ATE
R
TREATMENT
CONSUMPTION REDUCTION
AQUASAVE
A QUA SAV E PROJECT
W a te r sa v i ng i n c i t i e s i n h o u seh o ld s
APPENDIX
The pictures contained in this appendix are below listed.A.1.1 IntroductionRainwater precipitation: decrease. Figure A.1.Consumption percentage for drinking and food preparation. Figure A.2.A.1.2 ModelWater management model. Figure A.3.Rainwater use system. Figure A.4.Grey water use system. Figure A.5.A.1.3 SiteSite of the experimentation. Photo A.1.A.1.4 Realization phasesComponent installation. Photo A.2.Final phase. Photo A.3.Building. Photo A.4.A.1.5 Treatment and dataRainfall. Figure A.6.Collection tank. Photo A.5.Filter. Photo A.6.Pumps for disinfection. Photo A.7.Washing machines: double feeding. Figure A.7.Washing machines: washing phases. Figure A.8.A.1.6 Components at low water consumptionToilet. Photo A.8.Flushing cistern. Photo A.9.Water tap. Photo A.10.Water tap: detail. Photo A.11.Taps: water saving. Figure A.9.Washing machine. Photo A.12.Dish washer. Photo A.13.A.1.7 Monitoring and control Monitoring system in the flats. Figure A.10.Water volume meter. Photo A.14.Sampling points list. Figure A.11. Sampling points. Photo A.15. Plant operation mode. Photo A.16. Filtration control. Photo A.17. Disinfection control. Photo A.18. Pressure setting. Photo A.19. Data acquisition and elaboration. Photo A.20. View from flats. Photo A.21.A.1.8 Results and conclusion Eutrophication. Figure A.12.Dirt removal degree. Figure A.13.Disinfectant dose. Table A.1.Parameters after treatment. Table A.2.Consumption percentage. Figure A.14.Daily per capita consumptions. Figure A.15.Consumption comparison and water saving. Figure A.16.Contribution on the water saving. Figure A.17.Wide scale realization. Figure A.18.A.1.9 OrganizationFinancial support. Note A.1.Working group organization chart. Figure A.19.Partners list. Figure A.20.
CONTENTS
A q u a s a v e p r o j e c t .
ENEA : e n v i r o n m e n t d e p a r t m e n t . L i f e 9 7 En v / I t 0 0 0 1 0 6
Pr e s e n t a t i o n
INTRODUCTION
INTRODUCTION
Figure A.1
Aquasave project.
ENEA: environment department. Life 97 Env / It 000106 - 17.07.97
Presentation
RAI NW ATE R P RE CI P I T AT I O ND E C R E A S E
6 7 0
6 8 0
6 9 0
7 0 0
7 1 0
7 2 0
7 3 0
1 9 2 1 ÷ 1 9 5 0 1 9 9 0 ÷ 1 9 9 4
72 0
6 92
t i m e
m m of w at e r
P re c ip i t a t i o n i n B o l o gn a .
Figure A.1.
Figure A.2
A q u a sa v e p ro j ec t .
E NE A : e n v i r on me n t d e pa r t me n t . L i f e 9 7 E n v / I t 00 0 1 06
P r e s en t a t i o n
C O N S UM P TI O N P E R C E N T AG E
FOR
D RI N K I N G AN D F O OD P R E P AR AT IO N
D r i n k i n g a n d f o o d p re p a ra t i o n
O t h e r u s e s
4 %
9 6 %
Figure A.2.
MODEL
A qu a s av e p r o j e c t .
E N E A : e n v i r on me n t d e p ar tm en t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n t a t i o n
MODEL
Figure A.3
A qu a s av e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
Shower Bathroomw. basin
Bidet Toiletf lushing
Kitchensink
F r o m:d r i n k a b l e wa t e r s u p p l y .
To : s e w e r n e t w o r k .
To : ga r d e n wa t e r i ng .To : c a r wa s h i n g .
F r o m : r o o f .
Washingmachine
Dishwasher
Rainwatertreatment
Grey watert reatment
S im p l i f i e d f l o w s h e e t .
WAT E R MANAGE M E NT MO D E L
Figure A.3.
Figure A.4
A q ua s a v e pr o je c t .
E NE A : en v i r o n men t d epar tm en t . L i f e 9 7 E nv / I t 00 0 10 6
P r e s en ta t i o n
D is i n f e c t i o nF i l t r a t i o n S t o ra ge L oa d i n gC o l le c t i on
F ro m : r o o f
To : wa s h in g m a ch i ne s , a nd d is h w as h e rs
R AI N WAT E R U S E S Y S T E M
S i m p l i f i ed p r o c e ss f l o w d i a g r am
Figure A.4.
Figure A.5
A qu a s av e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
D i s i n f e c t i o nF i l t r a t i o n L o a d i n gC o l l ec t i o n S t o r a ge
F r o m: b a t h - t u b s , s h ow e r s , an d ba th ro om wa s h b a s in s
To : t o i l e t f l u s h i n g
G RE Y WAT E R US E S Y S TE M
S im p l i f i ed p ro c es s f l o w d i ag r a m .
Figure A.5.
SITE
A qu a s av e p r o j e c t .
E N E A : e n v i r on me n t d e p ar tm en t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n t a t i o n
SITE
Photo A.1
Bologna ( Italy )
SITE OF THE EXPERIMENTATIONSITE OF THE EXPERIMENTATION
Photo A.1.
REALIZATION PHASES
A qu a s av e p r o j e c t .
E N E A : e n v i r on me n t d e p ar tm en t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n t a t i o n
REALIZATION PHASES
Photo A.2
Photo A.2.
Plant room: before tank installation
Plant room: after tank installation
REALIZATION PHASE
Photo A.3
Fase finale
Photo A.3.
REALIZATION PHASE
Final phase
Photo A.4
Building with the implemented model.There are: 8 flats, 22 persons.The roof surface is 200 m2.
Photo A.4.
TREATMENT AND DATA
A qu a sav e p r o j e c t .
E N E A : e n v i r on me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n ta t io n
TREATMENT AND DATA
Figure A.6
A q u a s a v e p r o j e c t .
E N EA : e n v i r o n m e n t d e pa r t m e n t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
0
50
100
150
200Ja
nu
ary
Fe
bru
ary
Ma
rch
Ap
ril
Ma
y
Jun
e
July
Au
gu
st
Se
pte
mb
er
Oct
ob
er
No
vem
be
r
De
cem
be
r m o n th s
r a in f a l l ( m m )
M o n t h l y r a i n f a l l i n 1 9 9 9 .
Ave r a g e m o n t h l y ra i n f a l l : 5 7 . 2 m m .
To ta l r a i n f a l l i n 1 9 9 9 : 6 8 6 . 8 m m .
RAINFALL
Figure A.6.
Photo A.5
COLLECTION TANK
Photo A.5.
Photo A.6
FILTER
Photo A.6.
Photo A.7
PUMPS FOR DISINFECTION
Photo A.7.
Figure A.7
A q u a sa v e p ro j ec t .
E NE A : e n v i r o n me n t d e pa r t me n t . L i f e 9 7 E n v / I t 00 0 1 06
P r e s en t a t i o n
Dirty Cloths
T R
P W
W AS H I NG MACH I NE SW I T H
D O U B L E F E E D I N G
L e ge n d :TR = Tr e a te d r a i n wa t e rP W = P o t a b le wa t e r
Figure A.7.
Figure A.8
A q u a s ave p r o j e c t .
E N E A : e n v i r o nme n t de pa r tme n t . L i f e 97 E n v / I t 0 0 01 0 6
P r ese n ta t i o n
T im epre wash main wash rinse rinse last rinse
Wa t e r l e ve l
U s eo f
r a i n wa t e r
U seo f
p o ta b le wa t e r
0
WAS H I NG P HAS E S
W a s h in g m a c h i n e c yc le w i t h d o u b le f e e e d in g .
Figure A.8.
COMPONENTS AT LOW CONSUMPTION
A qu a sav e p r o j e c t .
E N E A : e n v i r on me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n ta t io n
COMPONENTSAT
LOW WATER CONSUMPTION
Photo A.8
TOILET
Photo A.8.
Photo A.9
FLUSHING CISTERN
WITH
DUAL DISCHARGE
Photo A.9.
Photo A.10
WATER TAP
Photo A.10.
Photo A.11
WATER TAP DETAIL
Figure A.9
Aquasave project.
ENEA: environment department. Life 97 Env / It 000106 - 17.07.97
Presentation
RISPARMIO
ATTRAVERSO LA RUBINETTERIA
I l volume de l l 'ar ia nel l 'acquarappresenta il risparmio
SAV INGBY
WAT ER TA PS
T h e vo l u m e o f t he a i r i n t he wa te r
r e p r es en t s t h e sa v i n g .
Figure A.9.
Photo A.12
WASHING MASCHINE
Photo A.12.
Photo A.13
DISH WASHER
Photo A.13.
MONITORING AND CONTROL
A qu a sav e p r o j e c t .
E N E A : e n v i r on me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n ta t io n
MONITORING AND CONTROL
Figure A.10
A q u a s a v e p r o je c t .
E N E A : e n v i ro n me n t d e pa r tm e n t . L i f e 9 7 E n v / I t 0 0 0 1 06
P re s e n ta t i o n
V M
E
V M
F
V M
A
V M
B
V M
C
V M
D
V M
A
V M
B
V M
C
V M
D
V M
E
V M
F
HOT WATER COLD WATERTREATEDRAIN WATER
V M
G
TREATEDGREY WATER
DRINKABLE WATER TREATED WATER
MONITORING SYSTEMWATER VOLUME METERS
(Flats)
A = Ta p o f k i t ch e n s in kB = Ta p o f b i d e tC = Ta p o f b a t h r o o m wa sh b a s i nD = Ta p o f sh o we r / b a t h t u b
E = W a s h i n g m a c h i n eF = D i s h - wa s h e rG = To i l e t f l u sh i n g
Figure A.10.
Photo A.14
WATER VOLUME METERFOR
CONSUMPTION MONITORING
Photo A.14.
Figure A.11
A q u a s a v e p r o j e c t .
ENEA : e n v i r o n m en t d e p a r t m e n t . L i f e 9 7 En v / I t 0 0 0 1 0 6
Pr e s e n t a t i o n
GREY WATERG1 = arrival f rom f lat sG2 = aft er disinfect ion and preliminary gridG3 = out let f rom collect ion t ankG4 = before f ilt rat ionG5 = before disinfect ionG6 = inlet of t he st orage t ankG7 = out let of t he st orage t ankG8 = sending t o f lat s
RAINWATERP1 = arrival f rom roofP2 = f irst rainwat er discardP3 = aft er disinfect ion and preliminary gridP4 = out let f rom collect ion t ankP5 = before f ilt rat ionP6 = before disinfect ionP7 = inlet of t he st orage t ankP8 = out let of t he st orage t ank of 10 m3
P9 = out let of t he st orage t ank of 12 m3P10 = sending t o f lat sDISCHARGES
S1 = bat h-t ubS2 = showerS3 = bat hroom washbasinS4 = bidetS5 = kit chen sinkS6 = washing machineS7 = dishwasher
SAMPLING POINTS LIST
Figure A.11.
Photo A.15
SAMPLING POINTSFOR
WATER CHARACTERIZATION
Photo A.15.
Photo A.16
Photo A.16.
CONTROL
PLANT OPERATION MODE
Photo A.17
Photo A.17.
CONTROL
FILTRATION CONTROL
Photo A.18
Photo A.18.
CONTROL
DISINFECTION CONTROL
Photo A.19
MISURA DI PRESSIONE
Photo A.19.
CONTROL
PRESSURE SETTING
Photo A.20
Photo A.20.
CONTROL
DATA ACQUISITION AND ELABORATION
Photo A.21
Photo A.21.
VIEW FROM FLATS
RESULTS AND CONCLUSION
A qu as a v e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 97 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
W A T E R S A V I N G
Figure A.12
C M L 1 9 9 2 - E u t r o p h i c a t i o n ( w a t e r )
E UT R O P HI C AT I O N
( w a s t e w a t e r t r e a t m e n t )
0100200300400500600700800900
g eq PO4
Exper imental Tradit ional S ys t e m s
A q u a s a v e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 97 E n v / I t 0 00 1 0 6
P r e s e n ta t i o n
Figure A.12.
Figure A.13
A qu a s a v e p r o j e c t .
E N E A : e n v i r o n me n t de pa r t men t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
Ca r b o n b l a ck /m in e r a l o i l
B l o o d C h o c o l a t e /m i l k
R e d w i n e0
1 02 03 04 05 06 07 08 09 0
1 0 0
RE F LE C TAN CE D r i n ka b le wa t e rR a in wa t e r
K I N DS OF DI R T
D I R T R E M O V A L D E G R E E C O M P A R I S O NB E T W E E N
D R I N K A B L E W A T E R A N D R A I N W A T E R
D i r t r e m o va l i n w a sh i n g m a c h i n e
D i r t r e m o v a l d e g r e e
Figure A.13.
Table A.1
A q u a s a v e p r o j e c t .
E NE A : e n v i r on m e n t d e pa r t m e n t . L i f e 9 7 E n v / I t 0 0 0 1 06
P r e s e n ta t i o n
DI S I NF E CTANT DOS E
F L U I D S P E R A C E T I C A C I D D O S E S
[ p p m ]
G r e y wa t e r
R a i n wa t e r
3 9
5 . 5
Table A.1.
Table A.2
A qu a s av e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
PARAMETERS AFTER TREATMENT
PAR AM E TE R S F LU I DS
Grey water Rainwater
Total coliforms [UFC 10-2 ml-1]
Faecal coliforms [UFC 10-2 ml-1]
Turbidity [NTU]
1 6 5 < 1
< 1 < 1
22 . 5 2 . 2
Table A.2.
Figure A.14
A qu a s av e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
3 3 % A
23 % B
1 2 % C4 % D
2 8 % E
A=Body Washing B=Toilet FlushingC=Dish & Cloth Washing machines D=Drinking & Food preparationE=Other Uses (Bidet, kitchen sink)
CONSUMPTION PERCENTAGEOF THE
WATER CONSUMPTION POINTS
Water consumption (drinkable + reuse water) in the flats: 854 m3 year-1; person number:22.
Figure A.14.
Figure A.15
A q u as a v e p ro je c t .
E N E A : e n v i ro n me n t d e p a r t me n t . L i f e 9 7 E nv / I t 0 0 0 1 0 6
P r e s e n ta t i o n
Drinkable water consumption in the flats: ~ 592 m3 / year-1 ; person number: 22.
D AI LY P E RC AP I TA CO NS UMP T I O N S
020406080
1 0 01 2 0
1 2 3 4 5 6 7 8
Flats
[L / ( d, p )]
106 Max
74 Average
36 Min
Consumptions
Figure A.15.
Figure A.16
A q u a s a v e p r o je c t .
E N E A : e n v i r o n me n t d e pa r tme n t . L i f e 9 7 E n v / I t 0 00 1 06
P re s e n ta t i o n
CONSUMPTION COMPARISON AND WATER SAVING
74
Experimental
Water saving
[L(d,p)]167
Traditional SYSTEMS
Daily percapita consumptions of water.
Consumptions
0 -
20 -
40 -
60 -
80 -
100 -
120 -
140 -
160 -
180 -
Figure A.16.
Figure A.17
A qu a s av e p r o j e c t .
E N E A : e n v i r o n me n t d e pa r t me n t . L i f e 9 7 E n v / I t 0 0 0 1 0 6
P r e s e n ta t i o n
[L / ( d ,p ) ]
16 7
10 6
74
TRADITIONAL
ONLY COMPONENTS
Da i l y p e r c a p i t a c o n s u m p t i o n s o f wa t e r : d e t a i l .
C O N T R I B U T I O N O N T H E W AT E R S AV I N GO F T H E
I M P L E M E N T E D S Y S T E M S
EXPERIMENTAL SYSTEMS
Co ns um pt io n s
COMPONENTS+GREY-RAIN WATER USE
20,040,060,080,0
100,0120,0140,0160,0180,0
Figure A.17.
Figure A.18
A qu a s av e p r o j e c t .
E N E A : e n v i r on me n t d e p ar tm en t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n t a t i o n
G R E Y W A T E RT RE A T M E N T
ILU N U M K L
IL UN U M K L
ILU N U M KL
IL U N U M K L
IL U NU M K L
ILU N U M K L
IL U N U MK L
IL U N UM K L
ILU N U M K L
IL U N U M K L
IL U N U M K L
ILU N U M K L
IL U N U M K L
IL U N U M K L
TR E ATM E N T S YS T E M( For many bu i l d i ngs )
G R E Y W A T E RT R E A T M E N T
ILUNUMKL
TR E ATME NT S YS TE M(F or s i n g le bu i l d i ng )
Figure A.18.
WIDE SCALE REALIZATION
A qu a s av e p r o j e c t .
E N E A : e n v i r on me n t d e p ar tm en t . L i f e 9 7 E n v / I t 0 0 01 0 6
P r es e n t a t i o n
ORGANIZATION
Note A.1
A q u a s a v e p r o j e c t .
ENEA : e n v i r o n m e n t d e p a r t m e n t . L i f e 9 7 En v / I t 0 0 0 1 0 6
Pr e s e n t a t i o n
The European Commission, with the decision
“Life 97 Environment /IT/000106” in the
framework of the life-environment actions, has
financed the 50% of the total project cost.
FINANCIAL SUPPORT
Note A.1.
Figure A.19
Aquasave project.
ENEA: environment department. Life 97 Env / It 000106 - 17.07.97
Presentation
Az. USLARPA HERASTUDIO
ARCHITETTOSCAGLIARINI
COOPERATIVADOZZA
COMUNEDI
BOLOGNA
EUROPEANCOMMISSION
MONITORINGTEAM
ENEA
WORKING GROUP ORGANIZATION CHART
Figure A.19.
Figure A.20
Aquasave project.
ENEA: environment department. Life 97 Env / It 000106 - 17.07.97
Presentation
ENEA
CORRADOSCAGLIARINIARCHITETTO
COMUNEDI
BOLOGNA
ARPA
COOPERATIVA
G. DOZZA
HERA
Arch. SCAGLIARINI
Azienda USL
PARTNERS LIST
Figure A.20.
Towards the new management
TOWARDS THE NEW MANAGEMENT