Modeliranje uređaja za

pročišćavanje otpadnih voda –

znanstvena fantastika ili skora

realnost?

Prof. Dr. Damir Brdjanovic UNESCO-IHE Institute for Water Education

The Netherlands

• Što je to model?

•Kratka povijest modeliranja

•Uporaba modela

MATRICA

MATRIČNI PRIKAZ JEDNOG SLOŽENOG ASM MODELA

Primjer 1: Sarajevo, Bosna i Herzegovina

Publication:

B. Meijer and D. Brdjanovic,

USE OF MODELLING IN A

DECISION=MAKING

PROCESS FOR UPGRADE

OF A WWTPs

IWA Conference Wastewater

Treatment Plants of the XXI

Century, Moscow 2010

Područje studije

Wastewater collection system of Sarajevo (main collectors) - System 1

LegendCollectors Sarajevo

Diameter (mm)

1000

1100

1200

1300

1400

1600

1800

300

400

500

60/110

600

700

750

800

900

Sewage network – Mike Urban

• 5 year return period 2 hour duration rain • wastewater loads has diurnal flow variation pattern • locations of 24 CSO’s

Scenarios

Scenariji

Rivers – HEC-RAS ID River Reach River

Station Boundary conditions

R1 Bosna Bosna spring

11322.93 Flow Hydrograph

R2 Željeznica Željeznica 1437.072 Flow Hydrograph

R3 Dobrinja Dobrinja 2925.568 Flow Hydrograph

R4 Miljacka Miljacka 3774.269 Flow Hydrograph

R5 Bosna Reljevo 0 Rating curve

Rivers – HEC-RAS Results

B. New design scenario

A. Original design scenario

C. Treatment plant out of operation

Primjer 2: Hrvatska

Belišće Bjelovar Čakovec Daruvar Koprivnica Varaždin Velika Gorica Vinkovci Zagreb

Industrial Sewage EffluentClarifier B-stage

Dewatered Sludge

Primary Settling

Sludge Thickener

Dewatering Cyclone

Bioreactor A Bioreactor B

Communal Sewage

Equalization Clarifier A-stage

Aerobic Stabilization

Belišće

Daruvar

Čakovec

Bjelovar

Koprivnica

WWTP Varazdin

Proces Flow Diagram (PFD)

Varaždin

Velika Gorica

Vinkovci

WWTP Zagreb

BioWin model set-up

12

4

53

67

Zagreb

Advantages of use of models

• Getting insight in plant performance • Evaluating possible scenarios for upgrading • Evaluating new plant design • Supporting decision making • Developing new control schemes • Shortening of decision time • Cost-saving • Teaching • Communication