Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) GmbH ecological sanitation: project examples for wastewater and excreta management Christine Werner Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) GmbH ecological sanitation program, Division 44 – environment and infrastructure CeTAmb - International Conference The role of Appropriate Technologies in Cooperation Projects Desenzano del Garda (Brescia - Italia), 16-17 December Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

ecosan project examples content ecosan principles ecosan technologies ecosan project examples Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

basic types of ecosan-projects Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

experimental on-site sanitation in Koulikoro, Mali (supported by GTZ) ecosan projects experimental on-site sanitation in Koulikoro, Mali (supported by GTZ) experimental on-site sanitation module consisting of a urine diverting dehydrating latrine, shower and greywater garden Greywater garden Source: GTZ Urine diverting concrete slab Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

ecosan-study and reuse experiments in Havana, Cuba (supported by GTZ) ecosan projects ecosan-study and reuse experiments in Havana, Cuba (supported by GTZ) Study of options for reuse of urine and faeces in existing urban agriculture in Havana improved soil quality through reuse of organics Source: GTZ Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

constructed wetland Haran-Al-Awamied, Syria (supported by GTZ) ecosan projects constructed wetland Haran-Al-Awamied, Syria (supported by GTZ) Wastewater treatment with constructed wetland system: Wastewater treatment through reed beds Sludge treatment through reed beds Treated wastewater used for irrigation purpose High efficiency for hygienization Small surface required: 0.5m2 per capital Low cost: 13.7 euro/person (construction), 1 euro per person every year (running cost) Source: Mohamed Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

ecosan projects ecosan public toilet centre Bangalore, India (supported by ACTS, SDC, Uni Oslo and GTZ) Public toilet: separate collection of urine, faeces and anal cleaning water Separately collected and stored urine used as fertilizer for banana plantation Faeces transported by truck and treated in a biogas plant Source: Johannes Heeb Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

Biogas used for cooking ecosan projects ecosan public toilet centre Bangalore, India (supported by ACTS, SDC, Uni Oslo and GTZ) Biogas plant Source: GTZ Biogas used for cooking Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

biogas program Dhapasi, Nepal ecosan projects biogas program Dhapasi, Nepal Source: GTZ toilet wastewater and manure is used in a household biogas plant biogas is used for cooking, organic sludge is used to fertilise the garden Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

Egypt (supported by GTZ) ecosan projects Egypt (supported by GTZ) large scale field test on soilisation of sewage sludge using vegetation (IPP Consult) Source: IPP Consult Soilisation bed with grass Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

China-Sweden Erdos Eco-Town Project, China (supported by SIDA) ecosan projects China-Sweden Erdos Eco-Town Project, China (supported by SIDA) Ecosan practises in an entire functionging modern town: Urine-diverting dry toilets and collection systems for multi-storey buildings Greywater collection and treated in decentrialised system Composted faeces and urine reused in agriculture Source: EcosanRes, SEI Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

China-Sweden Erdos Eco-Town Project, China (supported by SIDA) ecosan projects China-Sweden Erdos Eco-Town Project, China (supported by SIDA) Source: EcosanRes, SEI Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

Four-in-one model, China ecosan projects Four-in-one model, China pig – toilet – biogas – vegetable combined with Greenhouse Production more than 1,000,000 times in peri-urban areas of Megacities in Northern China Use of nutrients, organics, energy and carbon dioxyde Source: Yao Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

ecosan projects Urine diverting dry toilet in Guangxi-Province, China (supported by SIDA and Unicef) Large ecosan project in the phase of up-scaling 1997, pilot project funded by SIDA/Unicef, 70 ecosan (urine diverting dehydration toilets) built in pilot village, Dalu Village 1998, 10.000 urine-diverting toilets were built in 200 ecosan villages in Guangxi 2002, 100.000 ecosan toilets in Guangxi 2003, 685.000 ecosan toilets in 17 provinces (Ministry of Public Health) Factors of success: cultural acceptance, political commitment, technical flexibility, low cost, income generation, pressure from water pollution and water scarcity, promotion and marketing source: Sandec Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

decentralized treatment for municipal sewerage, China ecosan projects decentralized treatment for municipal sewerage, China DEWATS /LOMWATS Decentralized wastewater treatment systems Low maintenance wastewater treatment systems Baffled septic tank Biogas Digestors By 2002: 115.176 plants Data: Ministry of Agriculture source: BORDA Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

Eco-settlement Lübeck – Flintenbreite, Germany ecosan projects Eco-settlement Lübeck – Flintenbreite, Germany eco-settlement for 350 people Greywater treatment in constructed wetlands Storm water infiltration in swales Vacuum pipe Vacuum toilet Biowaste shredder Transport of blackwater and biowaste Central technical building source: Otterwasser GmbH, Germany Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

greywater recycling in Hotel Arabella, Germany ecosan projects greywater recycling in Hotel Arabella, Germany Greywater from baths and showers in guest rooms treated with rotating biological contactors and reused for toilet flushing Rainwater collection for irrigation of hotel garden RBC Source: Rolde & Partner, DHV, GTZ Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

main building of GTZ headquarter, Germany ecosan projects main building of GTZ headquarter, Germany ecosan concept: separation, processing and agricultural reuse of urine (implementation 2004/2005) Source: GTZ urine diversion toilets and waterless urinals Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

Key activities of the GTZ-ecosan programme ecosan projects Key activities of the GTZ-ecosan programme GTZ – ecosan programme knowledge management and networking e-newsletter ecosan website www.gtz.de/ecosan ecosan source book (in progress) ecosan-project data sheets (in progress) ecosan-technologies data sheets (in progress) brochures, posters, professional articles, films, etc. conferences & workshops cooperation in the field national & international working groups ecosan pilot research and demonstration projects baseline and feasibility studies for sanitation systems, treatment and reuse systems advocacy and decision making workshops training workshops technical and operational advice for implementation accompanying research upscaling of projects and dissemination of experiences more than 40 pilot projects worldwide Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

ecosan project data sheet example General data Objectives Location and general conditions Technologies applied Type of reuse Project history Costs O+M Design information Lessons learned Available documents Involved institutions and experts Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

technical data sheets for ecosan components Basic principles of the technology, overview on available technology types, main field of application and limitations Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia

Thank you! www.gtz.de/ecosan ecosan@gtz.de subscribe the ecosan-newsletter by sending an e-mail with the text “subscribe ecosan” to: majordomo@mailserv.gtz.de Appropriate Technologies in Ccooperation Projects,16-17.12.05, Brescia