Terra Preta Sanitation Blue Innovations for future cities

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Presentation transcript:

Terra Preta Sanitation Blue Innovations for future cities Case Study: „NEGA – Resources-Approach“ Minimum of Resources for Maximum of Utility Kick-Off-Meeting Terra Preta Sanitation Blue Innovations for future cities May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Blue Economy: Imagination, Vision, Reality sustainability: new business model May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Blue Economy May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Vision May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

zero emissions cities blue economy May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Reality Challenge 1: economic efficiency of waste water system of St. Petersburg May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg € € waste of resources, power and money May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

€ € € ~ 3 % ~ 87 % ~ 10 % ~ 34 % ~ 12 % ~50 % ~ 40 % ~ 41 % ~ 47 % Volume l/(P*year) Urine ~ 500 Feaces ~ 50 (option: add biowaste) Greywater 25.000 -100.000 N ~ 4-5 ~ 3 % ~ 87 % ~ 10 % ~ 34 % K ~ 1,8 ~ 54 % ~ 12 % P ~ 0,75 ~50 % ~ 40 % COD ~ 30 ~ 41 % ~ 47 % Reuse / Water Cycle Treatment Fertiliser Terra Preta Composting Yearly Loads kg/(P*year) fertile Soils Flushwater can be saved 6.000 - 25.000 € € € May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg If there is one problem, look for other problems and solve them together: Problem: Lack of efficient low cost sanitation Other Problems: Water scarcity Weak soils, erosion, Missing food security Lack of income Too few jobs Soil production Waterless (Urban) gardening Jobs with the systems, greywater in gardening, black soil makes water, food, happiness and health May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg 10

Video Conference Berlin/St. Petersburg Anthropogenic dark earth Terra Preta: result of an 2000 years old successful sustainable soil and waste management Ferralsol Terra Preta de Indio May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Secret of Terra Preta de Indio: 2000 – 500 years old - 16. century millions of people, today 350.000 layers up to 2 meters fertile without adding artificial fertiliser multiple high yields Composition: - around 10 % charcoal (biochar), - kitchen-, biowaste and excrements, - bones and - broken earthware, (lactofermentation and vermicomposting) May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Soil Freshwater demand: 10 to 20 litres /person/d Tap water Irrigation Flushing water Bath, kitchen, washing, Toilets, kitchen waste Greywater Challenge 2: development of profitable business models Blackwater Evapo-ration losses, cooling by plants food, energy Tap water processing BlueLoop plant Separator, Treatment plant Pumping station Infiltration, irrigation Terra Preta, fertilizer INTAQUATMAG Extraction May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg Soil groundwater (natural or artifical)

Video Conference Berlin/St. Petersburg Desiccation toilet ++ Desiccation for hot climates May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Sorting-Toilet (Gustavsberg, Sweden) Waterless Urinal (Keramag) May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg waterless toilets May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Hamburg Central Station Terra Preta Sanitation Challenge 3: Design of a black water separator V & B GreenGrain May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Challenge 3: Design of a innovative black water separator system: hotel 400 p/d reality: 200 – 400 l/p/d drinking water output: waste water vision: 20 l/p/d reducing, reuse, recycling: carbon, nutrients (N,P, K), water production of power (heating, electricity, mobility) May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

€ Terra Preta Sanitation profitable business models? 3,5 l (gravity, storm/greywater) faeces: 300 g/p urine: 200 ml/p paper profitable business models? black water separator: technical design? € liquid 3 l solid matter 1 l Greenhouse black soils, profitable plants lactic acid Biochar food power 50 % charshit, 50 % kitchen waste terra preta substrate subsurface irrigation May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg

Video Conference Berlin/St. Petersburg Thank you May 13th, 2011, Berlin Video Conference Berlin/St. Petersburg