CONTINENTAL MARICULTURE SYSTEMS · Fish basin 0,7 mg/L 1 m³ Biofilter 0,3 m³ 4 m³ / h TAN 0,7...
Transcript of CONTINENTAL MARICULTURE SYSTEMS · Fish basin 0,7 mg/L 1 m³ Biofilter 0,3 m³ 4 m³ / h TAN 0,7...
CONTINENTAL MARICULTURE SYSTEMS
Bert Wecker
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0 1 2 3 4 5 6
Wat
er e
xch
ange
rat
e [%
/ h
ou
r]
Water circulation rate [fish basin volume / hour]
Standard
Trend RAS
0,0
0,5
1,0
1,5
2,0
0 2 4 6 8 10 12 14 16 18 20 22 24
Am
mo
nia
co
nce
ntr
atio
n [
mg
TAN
/ L
]
Time [hours]
Water flow rate [Flow through] [fish basin volume / hour]
0,0
0,5
1,0
2,0
3,0
0.5 kg feed / m³ fish basin volume
TAN 0,0 mg/L
Flow through TAN
1,0 mg/L
1 m³ / h
Fish basin 1 m³
TAN ?? mg/L
Recirculation TAN
?? mg/L Fish basin 1 m³
Biofilter ?? m³
1 m³ / h
0.5 kg feed / m³ fish basin volume
TAN 0,0 mg/L
Flow through TAN 1,0 mg/L
1 m³ / h
TAN 0,6 mg/L
Recirculation TAN
2,4 mg/L
Fish basin 1 m³
Fish basin 1 m³
Biofilter 3,0 m³
1 m³ / h
0.5 kg feed / m³ fish basin volume
0
1
2
3
4
5
6
0 1 2 3 4 5
TAN
co
nce
ntr
atio
n f
ish
bas
in [
mg
/ L]
Biofilter volume [m³]
Water flow rate 1,0 [fish basin volume / hour]
0.5 kg feed / m³ fish basin volume
TAN 0,5 mg/L
Recirculation TAN
0,7 mg/L Fish basin 1 m³
Biofilter 0,3 m³
4 m³ / h
TAN 0,7 mg/L
Recirculation TAN 1,3 mg/L Fish basin
1 m³ Biofilter 1,0 m³
2 m³ / h
0.5 kg feed / m³ fish basin volume
1000 100 1 10 0.1 0.01 Particle size (µm)
Coarse screen
Sedimentation
Micro screen
Granular filtration
Foam fractionation
Cartridge filter
Swirl separator
Particle
Colloides
Dissolved substances
Membrane filtration
Process water Sludge Foam
Drum filtration Skimmer
Two step solid separation
0
1
10
100
1.000
10.000
1101001.00010.000
Nit
roge
n c
on
cen
trat
ion
[m
g/L
]
Water exchange rate [% / day]
0.5 kg feed / m³ fish basin volume
Fish ► NH3
Nitrification
NH3 ► NO2 ► NO3
Denitrification
NO3 ► N2
Thank‘s for your attention.
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