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Gates Foundation Awards $100,000 Grant to Convert Human Waste into Energy and Fertilizer

loowatt toilet system converts human waste into energy and fertilizer

The Loowatt toilet system converts human waste into energy and fertilizer

Currently undergoing trials in the UK, the Loowatt toilet system is waterless and chemical free, using a sealing mechanism to package feces and urine into an odorless cartridge within a biodegradable lining material.

The cartridge is emptied regularly into an anaerobic digester which uses microorganisms in an oxygen-free environment to convert human waste into methane, carbon dioxide and a semi-liquid manure.

The gas can be burned as fuel, simply generating carbon dioxide and water; the fertilizer can be separated into liquid plant food and a more solid manure.

Considerable ergonomic design is involved in the toilet system to enable it to fit into many different toilet forms, not just the Western “sit” toilet.

The Bill & Melinda Gates Foundation supports innovative research that has the potential to dramatically improve lives in some of the world’s poorest countries.

The Foundation awarded Loowatt a US$100,000 Grand Challenges Explorations grant to help them further “Create the Next Generation of Sanitation Technologies.”

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Pat has a lifelong passion for home and garden, cultivating her own extensive lawns and gardens and providing interior decorating advice.

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