Tag Archives: composting toilets

Constructive Interference: Opening March 19th

Mat’s hand sink design, our bathroom posters and the Emergency Sanitation Handbook from the PNCA class will be on display later this month in Atlanta, GA. The show is a collaboration between the Center for Disease Control and Prevention and Emory University.

The Emergency Sanitation Handbook

Our students in the Sanitation, Hygiene, and Integrated Technology lab at PNCA have released the first draft of a hands on guide to managing your own sanitation after an emergency. It’s a fun, fresh, illustrated 16 pager that’s bound to save your ass in an emergency. We’ll be doing some final touches on it with [...]

Portable Composting Toilets for Multi Day Events

The Cloacina Project with design and implementation from PNCA’s graduate students in Collaborative Design created an open source hardware platform for toilets, urinals, hand sinks and privacy screens for portable low cost dry toilets. Recognizing that hardware is only half the problem the PNCA students addressed the user interface by creating a training protocol, help [...]

Talk at Research Club this Sunday

Check out the video of Mat’s talk on why bathrooms are gross. Warning, it’s gross. We’re talking at noon on Sunday for our friends at Research Club. It’ll be their 19th Brunch and the first oen featuring composting toilets

Eco-Toilet Summit in Cape Cod Saturday July 16th

Falmouth, Massachusetts is continuing the conversation about how to manage their wastewater conundrum. The community’s current wastewater systems are threatening groundwater and the current options are expensive. If you’re interested in learning more about alternatives to expensive onsite wastewater treatment systems, this will be a very educational event. I’ll be getting back from our studies [...]

The 90s: US starts land applying sludge, Swizterland stops

In the 1990s, Switzerland banned the re-use of sludge for any agricultural purposes because of the high heavy metal and other persistent pollutants. Austria, and Sweden also banned such re-use. The main concern was that since waste water systems combine industrial and residential waste, the treated material could be harmful to the longterm health of [...]

Diagram of Types of Composting Toilets

Ah, at last I found the simplest illustration of types of composting toilets. It’s from a review of household dry sanitation practices around the globe put out by Toilettes du Monde in France. The full article hasn’t been translated into english yet, but the summary has.

Earle Barnhart & Hilde Maingay on Sanitation Alternatives

We received a lovely e-mail from Earle & Hilde, who have been busy illustrating alternative urban sanitation systems that can solve Cape Cod, Massachusetts’ ongoing aquifer poisoning.  Great flow diagrams for nitrogen within different systems, these would be a great complement to any presentation on contemporary sanitation practices and the future of sanitation.

Tanzanian Frustration with Infrastructure Funding

why are donors / financers willing to pay 16,000,000 EUR for a piped
sewerage system with central treatment plant but reluctant to pay 4,000,000 EUR to cover the same population with household toilets?

Emergency Sanitation Workshop This Saturday

We'll be doing a 45 minute workshop on Saturday June 2nd @ 2pm at King Elementary School as part of Resilience PDX.org
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