continental mariculture systems · fish basin 0,7 mg/l 1 m³ biofilter 0,3 m³ 4 m³ / h tan 0,7...
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![Page 1: CONTINENTAL MARICULTURE SYSTEMS · Fish basin 0,7 mg/L 1 m³ Biofilter 0,3 m³ 4 m³ / h TAN 0,7 mg/L Recirculation TAN Fish basin 1,3 mg/L 1 m³ Biofilter 1,0 m³ 2 m³ / h 0.5 kg](https://reader033.vdocuments.site/reader033/viewer/2022060418/5f15f7c03bbdb7750f2054df/html5/thumbnails/1.jpg)
CONTINENTAL MARICULTURE SYSTEMS
Bert Wecker
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0
10
20
30
40
50
60
70
80
90
100
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
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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
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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
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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
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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
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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
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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
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Process water Sludge Foam
Drum filtration Skimmer
Two step solid separation
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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
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