FAECES TO FERTILIZER YOUR URINE AND FAECES? DO YOU EVER THINK - PowerPoint PPT Presentation

FAECES TO FERTILIZER

YOUR URINE AND FAECES? DO YOU EVER THINK ABOUT THE FATE Abdul Alifuddin | Public domain | https://www.pexels.com/photo/gender-88808/

HUMAN WASTE AS FERTILIZER SuSanA Secretariat | CC-BY-2.0 | https://flic.kr/p/5JSSG4 Farmyard, Phoenix, AZ | Rosanne Wielemaker | CC BY-NC-ND-4.0

NUTRIENT LOSSES IN THE CURRENT CHAIN Linear nutrient metabolism | Rosanne Wielemaker | CC BY-NC-ND-4.0 INPUTS OUTPUTS CITY NUTRIENT-RICH NUTRITIOUS WASTEWATER: NUTRIENT LOSS FERTILIZERS FOOD NUTRIENTS FROM TO AIR, WATER, URINE & FAECES SOIL

RECOVER NUTRIENTS FROM WASTEWATER FOR REUSE IN AGRICULTURE Linear nutrient metabolism | Rosanne Wielemaker | CC BY-NC-ND-4.0 INPUTS OUTPUTS CITY NUTRIENTS NUTRITIOUS RECOVERED FROM FOOD URINE & FAECES

NUTRIENTS IN OUR URINE AND FAECES OpenIcons | Public domain | https://pixabay.com/nl/toilet-mannen-man-menselijke-wc-99039/ Source of N, P and K in household wastewater 100% 80% 550 GRAMS 60% PHOSPHORUS PER PERSON PER YEAR 40% 20% 0% Nitrogen Phosphorus Potassium Urine & Faeces Other TO FERTILIZE 200M 2 OF VEGETABLES

QUALITY OF RECOVERED PRODUCTS FOR PLANTS https://upload.wikimedia.org/wikipedia/commons/0/0c/PSM_V82_D230_Maize_and_its_proposed_a Nutrient content and concentration • Availability to plants • pH • Solubility • Unknown Author | Public domain | Soil carbon content and pH • siatic_origin.png

QUALITY OF RECOVERED PRODUCTS FOR PLANTS https://upload.wikimedia.org/wikipedia/commons/0/0c/PSM_V82_D230_Maize_and_its_proposed_a Nutrient content and concentration • Availability to plants • pH • Solubility • Unknown Author | Public domain | Soil carbon content and pH • siatic_origin.png e.g. COMPOST Nitrogen availability NH 4 + N0 2 - N0 3 -

HUMAN AND ENVIRONMENTAL HEALTH QUALITY OF RECOVERED PRODUCTS FOR Wikiimages | Public domain | https://pixabay.com/nl/bacteri%C3%ABn-salmonella-67659/, LadyofProcrastination | CC BY-SA | https://upload.wikimedia.org/wikipedia/commons/b/b5/Assorted_pharmaceuticals_by_LadyofProcrastinatio n.jpg, Sarah C | CC-BY-ND-2.0 | https://flic.kr/p/5YNb7p, Alchemist-hp | FAL 1.3 | https://upload.wikimedia.org/wikipedia/commons/0/0c/Osmium_crystals.jpg

URINE FAECES Wikiimages | Public domain | https://pixabay.com/nl/bacteri%C3%ABn-salmonella-67659/, LadyofProcrastination | CC BY-SA | https://upload.wikimedia.org/wikipedia/commons/b/b5/Assorted_pharmaceuticals_by_LadyofProcrastinatio n.jpg, Sarah C | CC-BY-ND-2.0 | https://flic.kr/p/5YNb7p, Alchemist-hp | FAL 1.3 | https://upload.wikimedia.org/wikipedia/commons/0/0c/Osmium_crystals.jpg

MIXED STREAMS WASTEWATER (TOILET, SHOWER, SINK, ETC.) Annabel | CC-BY-SA-3.0 | https://upload.wikimedia.org/wikipedia/commons/e/e8/WWTP_Antwerpen-Zuid.jpg

SEPARATED STREAMS GREY WATER (SHOWER, SINK, ETC) KITCHEN WASTE (FOOD SCRAPS) BROWN WATER (FAECES) YELLOW WATER (URINE)

URINE TO STRUVITE Phosphorus Platform | CC-BY-SA-NC-4.0 | http://phosphorusplatform.eu/images/struviet2.jpeg

FAECES TO COMPOST Way of Nature Corporation | Public Domain | https://upload.wikimedia.org/wikipedia/commons/0/09/Compost_toilet.jpg, Jokevanderleij8 | Public Domain | https://pixabay.com/nl/vers-compost-hand-man-2386786/

POSSIBLE STAKEHOLDER INTEREST ENVIRONMENTAL ECONOMIC SOCIAL Reduce WATER Product safety PROFIT emissions AUTHORITIES Guarantee Fertilizer cost; FARMERS QUALITY product quality Yield No/low Sustainability CITIZENS COMFORT additional costs awareness

FAECES TO FERTILIZER SuSanA Secretariat | CC-BY-2.0 | https://flic.kr/p/6nYP5D