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C A S E S T U D YSOLUMSTRAND WWTP | DRAMMEN COUNCiL
” Norway’s most beautiful wastewater treatment plant in Norway’s coolest city”
C A S E S T U D YSOLUMSTRAND WWTP | DRAMMEN COUNCiL
Solumstrand Wastewater Treatment Plant was built
in 1991 with a capacity of 3.000 m3/h using primary
calcium precipitation and seawater. A subsequent
requirement for secondary treatment plus the need to
increase the capacity to compensate for the closing of
the Muusøya Treatment Plant, led to a major renewal
and expansion of the plant in 2011. The new design
capacity is 4.000 m3/h which includes both chemical
precipitation and biological treatment.
Solution Four of the existing 6 sedimentation basins were
converted to Kaldnes™ MBBR reactors while the
remaining two were rebuilt as dual-flow Actiflo®’s,
each with a capacity of 2.750 m3/h. This released more
space in the basins that could be used for storing
chemicals and dosage equipment. This combination of
processes increased the capacity and transformed the
treatment process without having to extend the plant
area.
Greater capacity - same floor footprint!
Creating water solutions in practice!
Existing sludge storage retained
Previously: Lines 1-4 chemical treatment stage
Now: Biological treatment
stage 1-4
Existing gravity densifiers retained
Previously: Lines 5-6 Chemical treatment stage
Now:- Chemical treatment stage 1-2
-Storage of precipitation chemicals- Polymer storage and pretreatment for
water treatment and densifying.
The whole chemical handling system was housed in the existing basin hall.
Actiflo® - from 0-100 in 10 minutes!
Kaldnes™ MBBR Actiflo®Four parallel lines with
2 Kaldnes™ MBBR in series followed by two Actiflo® units built on site
Reactor volume/line 2 x 390 m3 -
Reactor Lamella surface/line - 2 x 26 m2
Fill-level biomedia 59 % -
SALR (10°C) 11,5 g BOF5/m2*d -
Kaldnes™ biomedia Kaldnes™ K3 -
Air capacity 18.400 Nm3/t -
DESIGN
FACTS
Plexiglas inspection hatches
Polymer preparation
Alfa Laval sludge densifiers.
Solumstrand WWTP
Start-up 2011
Client: Drammen CouncilConsultant: Norconsult, Sandvika
Task:To design a treatment plant with expansion possibilities that can cater for large, seasonal variations in waste-water and organic loads.
Solution:Combine two well-proven technologies - the compact Kaldnes™ MBBR process for removing organic waste and Actiflo® for chemical precipitation and solids separation.
Design capacity:Qdim: 2000 m3/tQmaksdim: 4000 m3/t
Organic loading: 7755 kg BOF5/d 20350 kg KOF/d
Discharge requirementsBOF5: < 25 mg/l or > 70 % of purification effectKOFCr: < 125 mg/l or >75 % of purification effect
Tot-P: > 90% purification
KaldnesTM MBBR - completely sealed biological process
Kaldnes™ MBBR Actiflo®Four parallel lines with
2 Kaldnes™ MBBR in series followed by two Actiflo® units built on site
Reactor volume/line 2 x 390 m3 -
Reactor Lamella surface/line - 2 x 26 m2
Fill-level biomedia 59 % -
SALR (10°C) 11,5 g BOF5/m2*d -
Kaldnes™ biomedia Kaldnes™ K3 -
Air capacity 18.400 Nm3/t -
www.krugerkaldnes.nopost@krugerkaldnes.nophone: +47 91 60 80 00
C A S E S T U D YSOLUMSTRAND WWTP | DRAMMEN COUNCiL
JHR Produksjon - june, 2011
Solumstrand renseanlegg
Oppstart 2011
KundeDrammen kommune Konsulent: Norconsult
UtfordringÅ designe et renseanlegg med planlagt fremtidig utvidelse og store sesongvariasjoner i vannmengde og organisk belastning.
Løsning Kombinere to vel prøvede teknologier. Den kompakte Kaldnes™ MBBR prosessen for fjerning av organisk stoff og Actiflo® for kjemisk felling og partikkel separasjon.
Design kapasitet Qdim: 2000 m3/t Qdim maks: 4000 m3/t
Organisk belastning: 7755 kg BOF5/d 20350 kg KOF/d
Utslippskrav BOF5: < 25 mg/l eller > 70 % renseeffekt KOFCr: < 125 mg/l eller >75 % renseeffekt Tot-P: > 90% renseeffekt
Renseresultater
0
25
50
75100
125
150
175
200
225
250
275300
325
350
375
17.01.2011 06.02.2011 26.02.2011 18.03.2011 07.04.2011 27.04.2011 17.05.2011
BOF in BOF utmg
Resultater fra feb - apr 2011 Parameter Gjenomsnittlig
renseresultat Gjenomsnittlig
utløpsverdi BOF5 82 % 23 mg/L
KOF 82 % 80 mg/L
Tot-P 93 % 0,25 mg/L
Verdier basert på døgnblandprøver fra den inledande periode som till stor del varit en periode med intrimning og optimalisering.
®
0
200
400
600
800
1000
17.01.2011 06.02.2011 26.02.2011 18.03.2011 07.04.2011 27.04.2011 17.05.2011
KOF inn KOF utmg/l
0
1
2
3
4
5
6
7
8
9
10
17.01.2011 06.02.2011 26.02.2011 18.03.2011 07.04.2011 27.04.2011 17.05.2011
Tot-P inn Tot-P utmg/l
Resultater fra feb - apr 2011 Parameter Gjenomsnittlig
renseresultat Gjenomsnittlig
utløpsverdi BOF5 82 % 23 mg/L
KOF 82 % 80 mg/L
Tot-P 93 % 0,25 mg/L
Verdier basert på døgnblandprøver fra den inledande periode som till stor del varit en periode med intrimning og optimalisering.
®
0
200
400
600
800
1000
17.01.2011 06.02.2011 26.02.2011 18.03.2011 07.04.2011 27.04.2011 17.05.2011
KOF inn KOF utmg/l
0
1
2
3
4
5
6
7
8
9
10
17.01.2011 06.02.2011 26.02.2011 18.03.2011 07.04.2011 27.04.2011 17.05.2011
Tot-P inn Tot-P utmg/l
Parameter Mean purification result Mean discharge
BOF5 82 % 23 mg/L
KOF 82 % 80 mg/L
Tot-P 93 % 0,25 mg/L
Values based on daily mixed samples from the start-up period which included considerable adjustment and optimization..
Results from February - April, 2011
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