Researchers at Cranfield University in the UK have created a prototype of a toilet that works without being connected to water or sewage systems, and that can generate electricity and clean water as it composts waste. [...]
The Nano Membrane Toilet, which has been developed with funding from the Bill and Melinda Gates Foundation, would be a kind of ‘super-toilet’, helping to improve sanitation for people without access to utilities – at present some 2.5 billion people around the world. — globalconstructionreview.com
Waikiki Beach closed on Monday after heavy rains caused by a tropical storm set off the spills.
Tropical Storm Kilo caused 500,00 gallons of wastewater to come gushing out of manholes, making the waterfront unsafe for beachgoers.
"Now's not the time to go swimming," said Lori Kahikina, Honolulu's director of environmental services.
The beachfront sees about 4.5m tourists annually.
It will be a few days before the ocean is safe for people to swim in again, Ms Kahikina said... — BBC
It works like this: people empty their latrines into a sewage receptacle (currently, latrines are often emptied into rivers), the waste gets funneled through a series of tubes and is pressurized at extreme temperatures, and the byproduct is clean, possibly drinkable water. Deshusses describes the process as “a pressure cooker on steroids.” — wunc.org
'[R]emember that a place like Dubai really emerged in the last 50 years. It was a sleepy, you know, Bedouin town half a century ago. And what you do is when you bring in the world’s, you know, most sophisticated architects and engineers, you can literally build anything, including a building of 140 or 150 stories. But designing a municipal network of sewage treatment is in some ways more complex. - KATE ASCHER — Boing Boing
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