KONYA METROPOLITAN MUNICIPALITY KONYA WATER&SEWERAGE ADMINISTRATION GENERAL DIRECTORATE RESTRICTED URBAN REUSE OF KONYA (TURKEY) MUNICIPAL WASTEWATER TREATMENT PLANT EFFLUENTS VIA RECLAIMED WATER DISTRIBUTION SYSTEM Prof. Dr. Mehmet Emin AYDIN Konya N. Erbakan Ünv. Assoc. Rector Dr. Serdar KOYUNCU, Ph.D KOSKİ Wastewater Treatment Plants Manager Urban Water Management and Water Demand Management Mai. 16 h -20 th 2014 Antalya, Turkey
KONYA WASTEWATER TREATMENT PLANT PILOT PLANT OPERATING DATA FIRST PHASE ADVANCED TREATMENT PLANT RESULTS
KONYA WASTEWATER TREATMENT PLANT The reclaimed water samples were collected from effluents of municipal wastewater treatment plant (WWTP) in Konya, Turkey. Konya WWTP has a capacity of 200,000 m 3 /day in 2015. I. Stage (2015) II. Stage (2030) Population 1.000.000 1.600.000 Flow, m 3 /day 200.000 300.000 Konya WWTP design influents and effluents quality. Parameters Influents Effluents BOD 5 (mg/lt) 320 < 20 TSS (mg/lt) 295 < 20 COD (mg/lt) 775 < 90 ph 6-9 6-9 TN (mg/lt) 50 - TP (mg/lt) 15 -
Administrative Building
KONYA MUNICIPAL WASTEWATER TREATMENT PLANT Konya WWTP is designed for 1 million person equivalent and 200.000 m 3 /day. 5
Konya WWTP has been designed for carbon and partial nitrogen removal. After biological treatment, the treated water will be disinfected by ultraviolet disinfection unit before it is disharged. Phosphorus removal is taken into. consideration in addition to carbon and nitrogen removal for further extension in order to fulfill EU disharge standarts. 6
Konya wastewater treatment plant flow diagram 7
Primary treatment units Konya urban WWTP was put into operation in 2009. 4 3 2 1 1 Coarse screen (40 mm) 3 Coarse (15 mm) and fine screens (6 mm) 2 Pumping station 4 Aerated grit and grease removal unit 9
Primary treatment units 2 1 1 Primary sedimentation tanks 2 Sludge pumping station 10
Biological treatment units 2 1 3 1 Aeration tanks/activated sludge reactors (Bardenpho process) 2 Blower building 3 Secondary sedimantation tanks 11
Tertiary treatment unit 2 1 1 UV disinfection channel 2 Final effluent channel 12
Tertiary treatment unit UV disinfection channel 13
Sludge treatment, biogas production and energy recovery units 2 3 4 1 1 Sludge thickeners 3 Biogas storage tanks 2 Mesophilic anaerobic sludge digesters 4 Sludge dewatering 14
Sludge treatment, biogas production and energy recovery units 1 2 1 Main transformator building 2 Cogeneration system 15
Konya WWTP Inlet and Outlet water value Parameter Unit Inlet Outlet Limit Value BOI 5 mg/l 485 24 < 40 KOI mg/l 1.075 72 < 120 AKM mg/l 553 22 < 40 TN mg/l 76 51 - TP mg/l 14 4,5 - ph - 7,8 7,9 6-9
On-Line Control Unit Flow-pH-Oxygen Temperature- Conductivity
Production of biogas values and energy recovery Parameter Unit Process Specific gas production rate m 3 /kg VSSgid. 1.12 The total amount of biogas production m 3 /gün 21.400 The property, electricity consumption kwh/gün 47.150 The electrical energy generated kwh/gün 33.875 Electric Conversion Rate % 72
Biogas Treatment Desulphurization Gas Tanks 19
PURPLE NETWORK PROJECT
Reuse of Konya WWTP effluents was intended for irrigation of urban green areas (parks, landscaping area, refuge, etc.) after the advanced (tertiary) treatment.
PILOT PLANT (2 m 3 /h)
1) Multimedia Filter, MMF (Pressure sand filter) 2) Microfiltration (MF) 3) Ultrafiltration (UF) 4) UF chemical washing tank 5) Dosing systems
1a) MMF Automation system 4a) UF washing pumps 6a) UV control
Classification of treated wastewater for irrigation in Turkey Types of Reuse Types of Treatment Reclaimed water quality All types of landscape irrigation, (e.g., golf courses, parks) Class A Urban Reuse -Secondary -Filtration -Disinfection ph =6-9 BOD 5 20 mg/l Turbidity 2 NTU No detectable fecal coli/100 ml 0.5 mg/l Cl 2 residual Restricted Access Area Irrigation Class B Restricted Access Area Irrigation -Secondary -Disinfection ph =6-9 BOD 5 30 mg/l TSS 30 mg/l 200 fecal coli/100 ml 0.5 mg/l Cl 2 residual
FIRST PHASE ADVANCED TREATMENT PLANT RESULTS (150 m 3 /h) Reuse of Konya WWTP effluents was intended for irrigation of urban green areas (parks, landscaping area, refuge, etc.) after the advanced (tertiary) treatment. Using the pilot plant operating data, first phase advanced treatment plant was constructed in 2012 with a capacity of 3.600 m 3 /day by KOSKI for reuse of wastewater. Advanced treatment plant consists of coagulation-pressure sand filtration, pre-chlorination, final-chlorination and UV disinfection units. Fecal coliform, turbidity, SS, BOD 5 and residual chlorine were monitored in full scale plant.
Reclaimed water storage tank Advanced Treatment Plant Secondary Treatment Effluent storage tank
Multimedia sand filtration UV disinfection post cholorination Pre cholorination Coagulant
Purple pipe network irrigation area The results of the SS, turbidity, BOD, fecal coliforms and residual chlorine removal efficiency in advanced treatment plant Parameter Advanced treatment plant influent Effluents after pre&post chlorination, MMF and UV disinfection Reclaimed water quality, All types of landscape irrigation, Class A Reclaimed water quality, Restricted access area irrigation Class B ph 7.7 7.6 6-9 6-9 Turbidity (NTU) 11 3.2 2 - SS (mg/lt) 22 10-30 BOD (mg/lt) 24 8 20 30 Fecal Coliforms (CFU/100 ml) Residual Chlorine (mg/l Cl 2 ) 1.7x10 6 0 0 200-0.7 0.5 0.5
Purple Pipe Network The advanced treatment plant constructed at the end of the WWT plant of Konya city, and the network of the distribution of the treated water to the irrigation area is called as Purple Pipe Network. In the part of the project, a reuse of treated water plant and its related extension was build with the capacity of 3600 m 3 /day, together with 1500 m 3 storage tank and about 24 km pipe length (ø90- ø200- ø315). So that, approximately 3.2 million m 2 land was irrigated with the reclaimed water in the summer months of the year of 2012, 2013 and 2014.
Purple Pipe Network of Konya City
(ø90- ø200- ø315) Purple Pipe Network Application Project (1. PHASE)
Before Purple Pipe Network
Application of Purple Pipe Network Drip Irrigation
Thanks for your listening. www.koski.gov.tr Prof. Dr. Mehmet Emin AYDIN Konya N. Erbakan Ünv. Assoc. Rector Dr. Serdar KOYUNCU, Ph.D KOSKİ Wastewater Treatment Plants Manager Jan. 20 th 2012 Konya, Turkey 35