Alexander Szabo and Oscar Engle - Svenskt Vatten

4. Activated sludge process technology......................................................... Error! Bookmark not defined.
Introduction
to
activated
sludge
process
technology............................. Error!
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defined.
Primary
treatment ..................................................................................... Error!
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defined.
Biological
treatment .................................................................................. Error!
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not
defined.
Nitrification
and
denitrification ................................................................ Error!
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not
defined.
Chemical
treatment ................................................................................... Error!
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not
defined.
Activated
sludge
system
–
arrangements ................................................ Error!
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not
defined.
Sludge
treatment ......................................................................................................................................21
5. Previous studies on WSP systems...............................................................................................................23
5.1 Example of computer simulation of WSP geometry ................................................................................23
5.2 Facultative and maturation ponds in Sri Pulai, Johor Bahru, Malaysia. .................................................25
5.3 Previous Study on the studied treatment pond at UTM............................................................................26
6. Study Area ....................................................................................................................................................27
6.1 Climate.........................................................................................................................................................27
6.2 The waste water treatment facilities at UTM ............................................................................................27
6.3 Recipient......................................................................................................................................................28
Introduction...............................................................................................................................................28
Sampling
procedure
for
lake
water .........................................................................................................29
Results
and
discussion ..............................................................................................................................30
7. Sampling and analysis methods ...................................................................................................................31
Sampling and flow measurements....................................................................................................................31
COD ...................................................................................................................................................................31
BOD 5 ..................................................................................................................................................................32
8. Water flow and quality .................................................................................................................................37
Sampling
procedure
for
effluent
water...................................................................................................37
De‐sludging
conditions .............................................................................................................................37
BOD 5 
and
COD
in
effluent.........................................................................................................................37
TSS
in
effluent ...........................................................................................................................................38
Average
effluent
values............................................................................................................................40
Algae
in
effluent........................................................................................................................................40
Reduction
in
pond
system........................................................................................................................40
Survey
of
waste
water
producers
at
UTM
campus ................................................................................41
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