Renewable energy in water supply and wastewater disposal: management: disposal: . What is possible? What is appropriate? by Karl-Ulrich Rudolph Prof. Dr. mult. CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 1 1.1 Renewable Energy in WatSan Facilities external Electrical CO2 = Energy for indirect use Wind e-generator Water e-generator (hydropower) Solar photovoltaic Thermal Mechanical biogas Organics = Energy for direct use CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Muscles Biofuel internal combustibles Algae biogas UV Radiation Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 CEEM \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 2 1.2 State of Science and Technologies: Projects submitted under the BMBF Call ERWAS, Dec 2012 • • • • 64 proposals with ∑ m 96.02 € out of these 53 % Wastewater, 41 % Supply Water, 6 both about 90 % claiming an "integrated systems approach“ 3 % including applicable economics+finance component (many more with socio-economic, macro-economic content) Energy Storage Organics Sludge CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 3 2.1 Regenerative Mechanical Energy CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 4 2.2 Regenerative Hydro-Mechanical Energy CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 5 3.1 Wind – Mechanical Power CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 6 3.2 Wind – Electrical Power CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 7 4. Thermal Energy from WW and GW CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 8 5.1 Solar Energy - Photovoltaic CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 9 5.2 Solar Energy - Thermal CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 10 5.3 Solar Energy – Water Desalination and Disinfection CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 11 5.5 Solar Energy and CO2 Algae Ponds (here: Christchurch NZ, Bloemfontein ZA) CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 12 6.1 Biogas - Wastewater Digestion DE VN CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 13 6.2 Biogas from WW Sludge: HighTech vs. LeanTech Bitterfeld CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Managua Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 14 6.3 Biogas from anaerobic wastewater ponds CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 15 7.1 Incineration with energy production for internal use in STP Large CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Small Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 16 7.2 Incineration to reduce energy consumption and toxic emissions by 185 k p.e. CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 17 8. Fuel Cell et al. - available from Pioneer’s Workshops Pyolysis Fuel Cell HTC CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 18 9. Regenarative Energy Storage …………. CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 19 10.1 Much is possible with RerEnergy in WatSan RegEnergy from for Electrical wind (aeropower) water (hydropower) sun (solarpower) all kind of electricity consuming devices Mechanical wind water muscles motor (pumps, aerators) Thermal sun wastewater groundwater heating (buildings, digesters, sludge drying) UV-Radiation sun water disinfection algae growth Organics wastewater (+ external sources) Biogas, Biofuels, Combustibles Carbon Dioxide atmospheric air Algae growth CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 20 10.2 Much is possible. But what is appropriate ? The working conditions in DE are different from those in the US, F, JP, AUS… and MUCH different from those in DTC 1. Electrical Power tariffs, set and collected 2. Waster+Wastewater tariffs, set and collected 3. Public service reliability and performance 4. Awareness => Comittment => managerial, operational, fiinancial, Capacities 5. Governance, institutional framework, loan conditions CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 21 10.3 What is appropriate, where low tariffs set low incentives ? Average W+WW Tariffs ($/m³) 2012 [GWI, 2013] Country Combined Water tariff Wastwater tariff Germany $5.51 $2.91 $2.60 France $4.08 $2.24 $1.84 United Kingdom $4.33 $2.12 $2.21 Czech Republic $3.25 $1.67 $1.59 Poland $2.88 $1.31 $1.57 Turkey $1.63 $1.21 $0.42 Russia $0.89 $0.54 $0.34 Unlike water tariffs, power tariffs are linked to world market prices in many DTC (by the way: industrial power prices DE 2013 = 1.8 x TU, = 2 x USA, ) CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 22 10.4 What is appropriate, where ODA financed “luxury STP” are switched off, since power expenses are exceeding wastewater tariff revenues ? CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 23 10.5 What is appropriate with available of data and skills ? CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 24 10.6 What is appropriate, where pumps are failing > 85% ? Poor O&M cause surplus CAPEX (Africa, not SEE) CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 25 11. CONCLUSION Provided, 1. the overall functionability, reliability is sufficient (O&M of WatSan plants and network operations, conventional power supply) 2. the expenses resp. overall costs are justified, (in terms of money, resources efficiency, land availability …) the use of regenerative energy may well be appropriate not only in DE, but also in SEE&TU. CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 26 The End CEEM · Consultants for Environmental Engineering and Management Prof. Dr.-Ing. Dr. rer. pol. K.- U. Rudolph GmbH mail@professor-rudolph.de · www.professor-rudolph.de Energy in Water Supply and Wastewater Disposal 26th & 27th November 2013 \\I-drive\2.aussendarst\61 Vortragssammlung_Rudolph\Enwürfe\kfw20131112 27.11.2013 Slide 27
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