roof water-farm
TRANSCRIPT
INIS – Verbundprojekt ROOF WATER-FARM
ROOF WATER-FARMBuilding-integrated wastewater recycling:
from toilet water to salads
Victor Takazi Katayama
Fraunhofer UMSICHT
Ilka Gehrke
Fraunhofer UMSICHT
Erwin Nolde
Nolde & Partner
WatefCon 2018Aveiro, Portugal5-7 September 2018
INIS – Verbundprojekt ROOF WATER-FARM
INIS – Verbundprojekt ROOF WATER-FARM
Block 6
INIS – Verbundprojekt ROOF WATER-FARM
13
INIS – Verbundprojekt ROOF WATER-FARM
14
INIS – Verbundprojekt ROOF WATER-FARM
Q = 50 personsMBR
MBBR
Block 6
Q = 250 persons
Rainwater
Blackwater
Graywater
evaporationinfiltration
Flushwater(7 – 8,5 m³/d)
Goldwater
Betriebswasser
Gardens
INIS – Verbundprojekt ROOF WATER-FARM
INIS – Verbundprojekt ROOF WATER-FARM
Aquaponic
INIS – Verbundprojekt ROOF WATER-FARM
Blackwater treatment
Settling MBR Storage
INIS – Verbundprojekt ROOF WATER-FARM
Blackwater treatment
INIS – Verbundprojekt ROOF WATER-FARM
2. EXPERIMENTS
INIS – Verbundprojekt ROOF WATER-FARM
Lettuce Cucumber
goldwater tank350 Lexchange every 2 weekspoint of sampling for micropollutant analysis
08.06 05.0919.04 23.05
03 Goldwater batches 06 Goldwater batches
100 plants 33 plants
INIS – Verbundprojekt ROOF WATER-FARM
Lettuce Cucumber
synthetic fertilizerCANNA Aqua VegaNPK: 2-1-3 (5-1-6)
08.06 05.0919.04 23.05
03 Goldwater batches 06 Goldwater batches
100 plants 33 plants
INIS – Verbundprojekt ROOF WATER-FARM
switching based on filtered
volume
SEWER
Qfiltrate ~ 800-1000 L/d
V = 1 m³point of sampling for nutrient analysis
SRT ~ 30 daysMLSS ~ 5 g/L
2. RESULTS
INIS – Verbundprojekt ROOF WATER-FARM
83
536
14 22
212
18
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
600
700
800
Ca K Mg SO4 TN TP
Co
nce
ntr
atio
n (
mg/
L)
82 68
13 26
200
26
0
100
200
300
400
500
600
700
800
Ca K Mg SO4 TN TP
0
100
200
300
400
500
600
700
800
Co
nce
ntr
atio
n (
mg/
L)
median recommended
0
50
100
150
200
250
0
50
100
150
200
250
Nitrogen
0
50
100
150
200
250
0
50
100
150
200
250
Nitrogen
NH4-N NO2-N
NO3-N TN
7.5
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
pH
3.2
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Conductivity
7.3
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
pH
median
recommended
2.4
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Conductivity
median
recommended
Cu
cu
mb
er
Le
ttu
ce
Effluent characterization
INIS – Verbundprojekt ROOF WATER-FARM
0
50
100
150
200
250
300
1
Head
weig
ht
(g)
Goldwasser aus Schwarzwasseraufbereitung
konventioneller NPK-Flüssigdünger
Go
ldw
ate
rS
yn
the
tic
fe
rtilit
er
Crop YieldLettuce
INIS – Verbundprojekt ROOF WATER-FARM
Crop YieldCucumber
INIS – Verbundprojekt ROOF WATER-FARM
Early fruiting period
11.07.2017
Late fruiting period
21.08.2017
Crop YieldCucumber
INIS – Verbundprojekt ROOF WATER-FARM
Micronutrient deficiency symptoms
Thank you!