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Photo credit: Dennis Keller SANITATION FOR ENERGY 19 November 2013 SANITATION FOR ENERGY SANITATION AND ENERGY Photo credit: water.org • 40% of people in the world still do not have a toilet • There can be wealth in well-managed waste SANITATION FOR ENERGY HOW SANITATION LEADS TO ENERGY Photo credit: IARC • Productive sanitation means making use of human excreta for nutrients, organic matter, water and energy • The sustainable and hygienic use of human excreta protects water quality, health and the environment as well as being a source of renewable energy SANITATION FOR ENERGY BIOGAS Photo credit: Ashden.org • Anaerobic digestion is a biological process to breakdown organic matter by bacteria • Anaerobic means in the absence of oxygen • A byproduct of this process is methane gas SANITATION FOR ENERGY ANAEROBIC DIGESTION Photo credit: Ashden.org • Methane gas ix extracted from organic waste • This gas is used to drive turbines or combustion engines or burned • Biogas energy is often used at the location where it was produced (lighting, heating) SANITATION FOR ENERGY BENEFITS OF BIOGAS Reduces carbon emissions by converting methane to CO2 and water Digested slurry byproduct can be used as fertilizer Improves indoor air quality 6 kWh/m3 = approx. 0.5 L of diesel oil Photo credit: WeSustainLife.org Photo credit: Ashden.org • • • • www.sanitationdrive2015.org Leanne Burney, UN Secretary-General's Advisory Board on Water and Sanitation Email: [email protected] Therese Dooley, UNICEF Email: [email protected] Amanda Marlin, Water Supply and Sanitation Collaborative Council Email: [email protected] Corinne Schuster-Wallace, United Nations University Institute for Water, Environment and Health Email: [email protected] SANITATION FOR ENERGY Improve your family’s lives – Stand up for your right to a toilet!
