Alexander Szabo and Oscar Engle - Svenskt Vatten

Waste
water
production
in
the
catchment
area ....................................................................................42
Water
velocity
measurements.................................................................. Error!
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not
defined.
Influent
water
flow ...................................................................................................................................45
Total
influent
water
flow..........................................................................................................................46
Infiltration..................................................................................................................................................46
Conclusions
concerning
infiltration .......................................................... Error!
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defined.
Sampling
procedure
for
influent
water...................................................................................................48
BOD 5 
and
COD
in
influent
water..............................................................................................................48
Total
Suspended
Solids
in
influent
water................................................................................................50
Dimensioning
values.................................................................................................................................51
Degradation
rate
of
BOD ..........................................................................................................................53
9. Proposals for upgrading of the treatment system........................................................................................56
Alternative 1: Upgrading of existing WSP......................................................................................................56
Alternative 2: Upgrading of existing WSP – Partly aerated pond ............... Error! Bookmark not defined.
Alternative 3: Conventional activated-sludge treatment plant ..................... Error! Bookmark not defined.
Screening
device ........................................................................................ Error!
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defined.
Grit
chamber .............................................................................................. Error!
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not
defined.
Equalization
tank........................................................................................ Error!
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not
defined.
Primary
settling
tank.................................................................................. Error!
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not
defined.
Activated
sludge
tank ................................................................................ Error!
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not
defined.
Secondary
settling
tank ............................................................................. Error!
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not
defined.
Sludge
handling.......................................................................................... Error!
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not
defined.
Sludge
to
energy ........................................................................................ Error!
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not
defined.
Disinfection................................................................................................. Error!
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not
defined.
10. Discussion on the upgrading alternatives ................................................ Error! Bookmark not defined.
11. Conclusion................................................................................................. Error! Bookmark not defined.
12. Future work ............................................................................................... Error! Bookmark not defined.
13. References ................................................................................................. Error! Bookmark not defined.
14. Appendix ................................................................................................... Error! Bookmark not defined.
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