Green Building Water Technology: Use of Renewable Water Resources in Multi-Storey Buildings Speaker: Erwin Nolde, Berlin email: mail@nolde-partner.de Wasserforum für f r die EMA-Region 11. und 12. März 2010 in der Handelskammer Hamburg
Conventionel water supply and wastewaster treatment + Chemicals Raw water pumping Drinking water treatment Distribution Drinking, cooking Kitchen sink Bath tub Shower Hand washbasin Laundry Toilet + Chemicals Wastewater treatment Water bodies Conventional water supply and wastewater treatment technologies are not resource-efficient efficient!
Conventional water supply and wastewater treatment in urban areas including greywater recycling + Chemikalien Raw water pumping Drinking water treatment Distribution Drinking, cooking Kitchen sink Bath tub Shower Hand washbasin Laundry Toilet Greywater recycling plant Kläranlage Wastewater treatment Fertiliser factory Water bodies + Chemicals Greywater recycling saves energy and chemicals and establishes suitable conditions for the recovery of nutrients from wastewater for use as fertilisers.
Bath tub Shower Hand washbasin Laundry Kitchen Toilets Wasser recycling = greywater treatment Wastewater treatment Fertiliser production Water Treatment Drinking water supply. Storage/ Pre-treatment Screen/Filter Sedimentation Biological treatment: planted soil filter multi-stage biol. contactor + Sedimentation/Sandfilter multi-stage fluidised bed + Sedimentation/Sandfilter membrane bioreaktor Disinfection Chlorination UV-light Emergency supply Storage + Distribution Toilet flushing Laundry Room cleaning Irrigation
Requirements for Greywater Recycling 1. Hygienic safety 2. No comfort loss 3. Environmental compatibility 4. Low-maintenance and affordable technology Literature: Innovative Water Concepts: : Service Water Utilisation in Buildings, Senate Department for Urban Development, Berlin (2003) http://www.stadtentwicklung.berlin.de/bauen/oekologisches oekologisches_bauen/ _bauen/download download/ modellvorhaben/betriebswasser betriebswasser_englisch2007.pdf fbr Information Sheet H 201: Greywater Recycling (2005) http://www.fbr.de/aktuell/information.htm
Euro / Jahr year 1.200 1.100 1.000 900 800 700 600 500 400 300 200 100 0 Development of water and fuel costs Anstieg der Wasserkosten im Vergleich zum Benzinpreis (Berlin 1988-2005) Wasserkosten 4-Personerhaushalt Water costs for a 4-person 4 household Trinkwasser, Abwasser und Niederschlagswasserentgelt (DW, WW & RW) Price Preisentwicklung development for für 1 L super 1 Liter petrol Superbenzin 240 220 200 180 160 140 120 100 80 60 40 20 0 Cent / Liter Water costs 2009: DW: 2.20 /m³ WW: 2.54 /m³ RW fee: 1.84 /m².a Jan 88 Jan 90 Jan 92 Jan 94 Jan 96 Jan 98 Jan 00 Jan 02 Jan 04 Water costs are rising much faster than energy-costs!
Multi-stage biological contactor for greywater recycling Arabella-Sheraton Hotel (400 bed), treatment capacity (15-20 m³/d) In Operation since 1995
Berlin-Potsdamer Platz: Greywater recycling for property upgrading
Berlin-Potsdamer Platz: Greywater recycling for property upgrading
Berlin-Potsdamer Platz: Greywater recycling for property upgrading Treatment capacity: 10 m³/d; (250 Persons) Reuse applications: Toilet flushing, gardening Greywater sources: kitchen, washing machines, bathrooms excluding toilets Space requirements: 1993: 800 m² (1987) planted soil filter + 100 m² maturation pond 2007: reduced to 50 100 m² using a fluidised bed reactor and UV-disinfection
Greywater Recycling und Heat Recovery Beispiel: Example: Eine A greywater Grauwasser recycling Recyclinganlage plant with mit a capacity einer of 2,000 L/d for Aufbereitungskapazität 50 persons requires a total von ca. of 42.000-6 kwh/d L/d (50 Personen) erfordert the treatment ca. 4-6 and kwh/d distribution für die Aufbereitung of greywater. des The Grauwassers potential und of heat Verteilung recovery des from Betriebswassers. warm greywater is: Das 10 C: Wärmerückgewinnungspotenzial ca. 20 kwh/d beträgt: 20 C: 10 C: ca. ca. 20 40 kwh/d, kwh/d bei 20 C: ca. 40 kwh/d
Water balance for a 6-storey multi-family house with greywater recycling, Berlin 140 120 100 127 Water Balance Marienburger Str. 31A 82,9% Savings 48% Liter/Person/day 80 60 40 20 66,2 24,4 29,8 25 adults 25 children 19,4 0 German Average DW Marie WW NPW GW-Recycled
Greywater Recycling in Jordan
Dead Sea Spa Hotel - Jordan Daily water balance 20.02.2010 (during renovation of the building) 5,0 4,5 4,0 greywater-input service water drinking water GW: 12,6 m³/d; SW: 6 m³/d; DW: 21,6 m³/d 3,5 3,0 m³/h 2,5 2,0 1,5 1,0 0,5 0,0 0:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 0:00 Space requirements dependent on greywater load: reservoir volume ca. 1-2 days Investment costs for a recycling plant of 10 m³/d : ca. 60,000 Payback time at water costs of 5 /m /m³ ca. 5-6 years
Greywater recycling in a restaurant in Johannesburg, South Africa Greywater is a resource, greywater recycling an efficient and safe technology. Wasserforum für f r die EMA-Region 11. und 12. März 2010 in der Handelskammer Hamburg
Thank you for your attention. Es ist nicht genug, zu wissen, man muss auch anwenden; es ist nicht genug, zu wollen, man muss auch tun. Johann Wolfgang von Goethe (Werk: Wilhelm Meisters Wanderjahre) Greywater is a resource, greywater recycling an efficient and safe technology. Wasserforum für f r die EMA-Region 11. und 12. März 2010 in der Handelskammer Hamburg