How toilet waste is being rebranded as a valuable resource

image via New Scientist

March 26, 2025, 6:00 PM

• •Sewage contains a wealth of useful materials, from nutrients to cellulose.
• •Urine-separation toilets can save water and energy, and can be used to produce fertiliser.
• •Other technologies are being developed to recover valuable materials from sewage, such as metals and plastics.

Sewage is a valuable resource that can be used to create useful products such as fertiliser, cellulose and energy. Urine-separation toilets can help to reduce the amount of water used in sewage treatment and save energy.

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