Faculty of Engineering Department of Process Engineering & Mass Transfer Operation and Balance Sludge in wastewater treatment plants Dr. Hasan Hamouda.

Faculty of EngineeringFaculty of Engineering

Department of Department of Process Engineering & Mass Process Engineering & Mass Transfer Transfer

Operation and Balance Sludge in wastewater treatment plants

Dr. Hasan Hamouda

Institut für Thermische Verfahrenstechnik

Institut für Thermische Verfahrenstechnik

3 / 32

municipal wastewater treatment plantsmunicipal wastewater treatment plants

Institut für Thermische Verfahrenstechnik

4 / 32

Industrial wastewater treatment plantsIndustrial wastewater treatment plants

7 / 32

Institut für Thermische Verfahrenstechnik

DumpingProductionExcretion

Wastewater housewaste

WWT Landfill

thermal recycling

preflooder

Soil

Groundwater

Drinkwater

Sludge

Seepage Water

Influence in the Environment & in HumanhealthInfluence in the Environment & in Humanhealth

Institut für Thermische Verfahrenstechnik

5 / 32

Separation Sand trap Primary Sedimentation

Bio-reactor

Sedimentation Tank

CO2

Primary Sludge

excessive Sludge

influence

effluence

wastewater treatment plantswastewater treatment plants

preflooder

O2

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants-Staffwastewater treatment plants-Staff

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants Influentwastewater treatment plants Influent

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants Influent pumpwastewater treatment plants Influent pump

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants-Samplerwastewater treatment plants-Sampler

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment – Bar screen Grit removalwastewater treatment – Bar screen Grit removal

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants – Sand trapwastewater treatment plants – Sand trap

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants–phosphate eliminationwastewater treatment plants–phosphate elimination

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants-Iron tank FeClwastewater treatment plants-Iron tank FeCl

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants-Combination Tankwastewater treatment plants-Combination Tank

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants- Aeration tankwastewater treatment plants- Aeration tank

Institut für Thermische Verfahrenstechnik

5 / 32

wastewater treatment plants- Aeratorwastewater treatment plants- Aerator

Institut für Thermische Verfahrenstechnik

6 / 32

Sludge treatmentSludge treatment

Dewatering

Anaerobic

Stabilization

Landfill

agricultural recycling

thermal recycling

Sludge

Sludge Tank

220 m3

Pressing

TSS~4% agriculture

LimingTSS~15%TS~4%

Silo

800 m3

TSS~32%

Polymer Dosage

Institut für Thermische Verfahrenstechnik

5 / 32

Dewaterd

Sludge

Excess-

Sludge

Lime

20%

H2O

62%

Sludge

18%

Sludge

4%

H2O

96%

wastewater treatment plants-excessive Sludgewastewater treatment plants-excessive Sludge

5 / 32

wastewater treatment plants-treated sludgewastewater treatment plants-treated sludge

0

1

2

3

4

5

6

7

Näh

rsto

ffm

eng

e in

kg

/t

Klä

rsch

lam

m

Närstoffe im Klärschlamm

Naßschlamm

Entwässerter Schlamm

900

10

900800

200

8

2500

25 215

170

150,8

700

0

500

1000

1500

2000

2500S

chw

erm

etal

lmen

ge

in m

g/k

g

TS

Schwermetalle im Klärschlamm

Schwermetalle

Grenzwerte

Data Base (Idea)Data Base (Idea)

exist?

Yes No

Operating data after

data- handling system

Evaluation

Documentation

Data base

Controlle

data- handling system

Operating data

Data InputData Input

ParametersParameters

31 / 32

ReportReport