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Integriertes Wasserressourcenmanagement in Zentralasien , Modelregion Mongolei Prof. Dr. Buren Sharaw

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Vortrag Prof. Dr. Buren Sharaw Ilmenau, Frauenhofer Institut
Thema: Integriertes Wasserressourcenmanagement in Zentralasien , Modelregion
Mongolei (MoMo)

Published in: Engineering
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Integriertes Wasserressourcenmanagement in Zentralasien , Modelregion Mongolei Prof. Dr. Buren Sharaw

  1. 1. Berlin 06. März 2015 Integriertes Wasserressourcen- Management (IWRM) in Zentralasien: Modellregion Mongolei (MoMo) - Phase III Wassertechnologien Dr. Buren Scharaw Fraunhofer IOSB-AST Am Vogelherd 50, 98693 Ilmenau, Germany Telefon: +49 (0) 3677 / 461-121, mailto: buren.scharaw@iosb-ast.fraunhofer.de
  2. 2. Berlin 06. März 2015 Model Region: River Basin Kharaa, City of Darkhan Kharaa River Basin  Kharaa Catchment area ~15.015 km2 Kharaa flow at Darkhan: MQ ca. 10,5 m3/s Catchment Orkhon (~132.835 km2),  Catchment Selenge (~280.000 km2),  Baikalsee, Russland Population of Darkhan ca. 90.000  Darkhan
  3. 3. Berlin 06. März 2015 The IWRM-MoMo Project : Past, Present & Future Kharaa River basin, Urban and rural water management analysis, city of Darkhan and Orkhon Sum Identification of Testing of measures • Evaluation of proposed measures from MoMo 1 pilot measures • Methods for multi-disciplinary planning of effective and efficient measures toolbox model Implementation of measures • application and optimisation of measures, • evaluation of the IWRM approach. • existing problems • impacts on population & environment • effective programs of measure. 1 2006 2009 2017 2010 2014 2 3 PastPresentFuture
  4. 4. Berlin 06. März 2015Page 4 IWRM systems approach… Ground Water Agriculture Nat. Land-use Wastewater Drinking Water Atmosphere / Climate Stagnant Waters Implementation Running Waters CapacityDevelopment System Analysis and ScenariosInstitutiontionalConditions
  5. 5. Berlin 06. März 2015 Air Temperature Change Mongolia -2 -1 0 1 2 3 4 5 Temperature[°C] A2 CNCM3 A2 ECHAM5 A2 IPSL B1 CNCM3 B1 ECHAM5 B1 IPSL WFD
  6. 6. Berlin 06. März 2015 Air Temperature Change Mongolia 1971-2000 2071-2100 (B1-CNCM3) 2071-2100 (A2-ECHAM5)
  7. 7. Berlin 06. März 2015 Water Availability Change Mongolia Water availability [mm]
  8. 8. Berlin 06. März 2015 Water Availability Change Mongolia 2071‐2100
  9. 9. Berlin 06. März 2015 Overview and Objectives Implementation of pilot measures based on results of MoMo phase 1 area urban area (city of Darkhan) suburban area (ger settlements) rural area (rural settlements) Problem identification Phase I • Data collection, online measures, • Problem identification, • Analyses, • Proposals of optimal solutions Methods Approaches Phase II • Ground water simulation by MODFLOW • central water supply with optimal management by HydroDyn, • central wastewater treatment (reuse of water and nutrients) • water kiosks & wells for water supply • decentralized collection of faeces and transport to central wastewater treatment plant • participative development of measures • drinking water supply • Decentralized / semi centralized treatment • WSB-Technology for decentralized waste water treatment Pilot measures Phase II • location of leakages of the water supply system in Darkhan, • central wwtp (SBR), pilot plant scale central anaerobic treatment of faeces of ger camps (biogas plant) • collect and bring system for water supply and faeces („small business“) • possibly additional pilot measures • location analysis ecotechnical wastewater treatment (PPA) • Small sewage works / small wwtp (WSB® Technology at Kindergarten in Orkhon Sum
  10. 10. Berlin 06. März 2015 Drinking water extraction in Darkhan city: Ground water monitoring 18 wells of USAG (depth: 60-70m) 8 km south of Darkhan bank filtrate ~ 9.700 m³/day 8 wells of Thermal Power Plant (depth: 70-80m) ~ 8.300 m³/day 13 wells of other industries (brick manufacture, tannery) USAG wells TPP wells Darkhan (~ 80 000)
  11. 11. Berlin 06. März 2015 Drinking water extraction: Monitoring Ground water situation 10 pressure transducers measure ground water level continuously
  12. 12. Berlin 06. März 2015 • 3-D finite-difference model • Open source, published by the U.S. Geological Survey • Used version: MODFLOW-2005 http://water.usgs.gov • The 3-D model domain (e.g. aquifer system) is discretized into a block of grids called cells • For each cell the hydraulic properties (e.g. conductivity, storativity) are defined • Layers correspond to horizontal hydrogeological units • In each cell there is a point called “node” at which hydraulic head is calculated Ground water flow modelling with MODFLOW Drinking water extraction: Ground water modellig
  13. 13. Berlin 06. März 2015 simulated steady-state water table (hydraulic head) for warm season (April-October) Drinking water extraction: Ground water simulation results • represents average flow conditions • Warm season => - river and soil water not frozen - groundwater recharge (10mm/year) • GW-flow in alluvial aquifer from South to North parallel to Kharaa River draw down in 8 TPP wells galary is larger than in 18 USAG wells galary TPP wells are further away from the Kharaa River
  14. 14. Berlin 06. März 2015 Water balance: Water flow into the model domain Kharaa River larges contribution Water flow out of model domain pumping wells larges contribution Kharaa River: important water source for Darkhan Drinking water extraction: Ground water simulation results
  15. 15. Berlin 06. März 2015 Drinking water extraction: Assessment of ground water quality
  16. 16. Berlin 06. März 2015 Drinking water supply in city of Darkhan • 18 groundwater wells near the river Kharaa (depth 70m) with ~70.000 m3/d capacity • 6 tanks • 225 km network pipes • ca. 18.000 m3/d demands • Old and often broken down network infrastructure (pumps, pipes, valves) • High water losses in the DWSN • 3 distribution zones (Old Darkhan, New Darkhan and Industry) • Rehabilitation of distribution network
  17. 17. Berlin 06. März 2015 Drinking Water Supply • Leak Detection - sensor test installation with GSM communication • Software Interfaces - data exchange between sensor SCADA and HydroDyn • Chemical Backtrace-Contamination source - new model for mixing in network nodes implemented (bulk-advective-model) • Sensor Installation – 10 multiparameter sensors for darkhan water network [April-May 2011] Drinking Water Supply
  18. 18. Berlin 06. März 2015 Water production and water losses in distribution network Drinking Water Supply: Concept
  19. 19. Berlin 06. März 2015 Water balance in city of Darkhan
  20. 20. Berlin 06. März 2015 300 350 400 450 500 550 9 12 15 18 21 0 3 6 9 [m³/h] Time Daily Demand Profiles Darkhan Sunday Monday Tuesday Wednesday Thursday Friday Saturday Indicator for high leak flow Largest Demand 525m³/h High nightly demand 340m³/h Drinking Water Supply: Leakage
  21. 21. Berlin 06. März 2015 Drinking Water Supply: Installation of sensors Pin-Pointing of Leakages by Field Measurements • Workshop with USAG employees in Summer 2012 in the Mangit area (Capacity Development) • Training of usage of SebaKMT noise loggers, correlators and ground microphones
  22. 22. Berlin 06. März 2015 small pressure drop Flow change Drinking Water Supply: results from leakage detection Comparing the results between • online measurement-data from sensors and • simulation by HydroDyn Proposal for rehabilitation of the pipe lines (2013 3 km and 18 km in 2013 by local company USAG Darkhan Reducing the leakages by 5%-7%
  23. 23. Berlin 06. März 2015 Zentrale Abwasserbehandlung (ZKA) • ZKA-Darkhan wurde 1964 gebaut (51 Jahre) • Ablaufwerte sind schlecht • Erfassung der online Messwerte seit 2006 zur Überwachung der Prozessabläufe • Entwicklung des Simulationstools der ZKA • Erd- und Bauarbeiten, Bauüberwachung, Installation und Erprobung einer SBR- Demonstrationsanlage auf der ZKA Darkhan/p2m • Inbetriebnahme am 10. Sep.2011 durch Staatsekretärin Frau Erdenezezeg / Bau und Infrastruktur Ministerium
  24. 24. Berlin 06. März 2015 Aufgabe in MoMo3 Zentrale Abwasserbehandlung Darkhan • Fortführung und Erweiterung des Online-Monitoring der Prozesse auf der zentralen Kläranlage Darkhan • Untersuchung der Abwässer aus Industrien -> Vorklärung von Industriewässern • Erstellung eines Konzeptes zur Instandsetzung der Abwasserkanalisation mit 3 Pumpstationen (223km) • Fachliche Begleitung der lokalen Behörden bei Vorbereitung der Ausschreibungsunterlagen für den Bau bzw. Rekonstruktion der Zentralkläranlage in den Städten Darkhan • Beteiligung bei der Ausschreibung mit der Fa. p2m • Initiativen für die Übertragung der im IWRM-MoMo Projekt getesteten Technologien
  25. 25. Berlin 06. März 2015 Waste water treatment: the tested SBR Pilot Plant Task: Construction and operation of an SBR Pilot Plant • Pilot plant site selected at the WWTP Darkhan • Planning of the Pilot Plant completed • Drawings submitted to USAG • Machinery Parts ordered and packed for transportation to Darkhan • PLC programming in progress • Start-up planed in may 2011 • All action in scheduled time and costs as submitted with proposal
  26. 26. Berlin 06. März 2015 Preliminary Design of Large-scale WWTP by SBR-Technology
  27. 27. Berlin 06. März 2015 Small Waste Water Treatment Plant Decentralized Waste Water Management Pre-treatment - Biological stage - Final clarification Biological stage with Biofilm Carrier Working plan 04.2011 – 06.2011 - construction work 06.2011 - start-up 07.2011 – 01.2013 - operating time Modification • Location adaptation • plant size form 20 to 50 PE Treatment Plant • for a kindergarten • in Orkhon soum • Capacity 50 PE
  28. 28. Berlin 06. März 2015 Anpassung der Technologie Vorklärung Biologie – Wirbel- Schwebebettreaktor Nachklärung Zulauf Ablauf
  29. 29. Berlin 06. März 2015 Anpassung der Technik Nachklärung Biologie Vorklärung und Schlammspeicher
  30. 30. Berlin 06. März 2015 Dezentrale Abwasserbehandlung für ländliche Gebiete - Koordination der Umsetzungsmaßnahmen - Erd- und Bauarbeiten der Demonstrationsanlage am Kindergarten in Orkhon Sum für 50 EWG - Bauüberwachung, - Ferngesteuerte Prozessüberwachung, - Erfolgreiche Umsetzung und Anpassung der WSB-Technologie - Erfolgreiche Demonstration und Vermarktung
  31. 31. Berlin 06. März 2015 Implementation in Mongolia 1. Төв аймаг, 2. Булган аймаг, 3. Өвөрхангай аймаг, 4. Эрдэнэт, 5. Улаанбаатар
  32. 32. Berlin 06. März 2015 Waste Water Treatment Plant with Integrated Wood Production Objective A Identify an affordable waste water treatment approach that is compatible with the harsh climatic conditions of the Darkhan region. Objective B Utilise waste water components for local environmental and economic benefit. M A M J J A S O N D J F M A M J J A S O N D J F M A No. Task 1 Preliminary design 2 Design development 3 Detailed design 4 Tender documents 5 Construction documents 6 Preparation for additional trials 7 Construction phase 1 (Treatment beds) 8 Plant establishment 9 Bill of Quantities 10 University contract 11 Site selection 12 Tender meetings 13 Construction phase 2 (Irrigation supply) 14 Supporting trials 15 Reporting 16 Maintenance documentation 17 Sampling and monitoring 2011 2012 2013 Distribution system Willow and Poplar trees Sampling point Overflow to sewer Collection pipework Influent delivery Location: MUST University
  33. 33. Berlin 06. März 2015 Waste water treatment Ger area: iPiT intermediate storage biogas plant • iPiT installation in bag 7 in Darkhan • Installation of biogas plant on the CWWTP Darkhan
  34. 34. Berlin 06. März 2015 Capacity Development (2006-2013) Mongolian Scientists and Stakeholders in Germany • Project partners and key persons from Ministries, Kharaa River Basin Council, Water Administration and provincial Gouvernement Darkhan-Uul Aimag, local companies, like USAG and Universities (MUST, NUM) University and Schools • Lectures (MUST Darkhan and NUM) • Mongolian diploma student - cost analyses of a new WWTP, at FhAST-Ilmenau • Supervision of Ph.D. master/bachelor theses to Mongolian students • Master Program: Environmental Engineering & Management (EEM) • Water Fun Programm at schools (UBZ) • Technical training course for decentralized waste water systems (Fraunhofer and UFZ)
  35. 35. Berlin 06. März 2015 Aufgabe in MoMo3 Dezentrale Abwasserbehandlung • Fernübertragung der Daten und Fernüberwachung der Prozesse aus Deutschland • Erstellung eines Betreiber-Modells • Fachliche Begleitung der lokalen Entscheidungsträger bei der Ausschreibung und Umsetzung sowie Übertragung der getesteten WSB-Technologie in weiteren Regionen • Mitwirkung bei der Vorbereitung von Ausschreibungsunterlagen von 6 Anlagen in Tuv, Bulgan, Uvurkhangai Provinzen in 2015 • Weitere 20 Anlagen werden ausgeschrieben • Gute Chancen für die Gewinnung der Ausschreibungen Fraunhofer/Fa. Bergmann
  36. 36. Berlin 06. März 2015 Thank you very much – Баярлалаа

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