Unit Operations Approach for Rapid Disinfection of Human Waste (University of Toronto, Canada) - Phase 4 update

  • dorothee.spuhler
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Re: Unit Operations Approach for Rapid Disinfection of Human Waste (University of Toronto, USA and Bangladesh)

Dear Steve

I wonder if you have any pictures or results to share on your first prototype?
You also stated that end date of the project is 31st of January (see above): is this project now over or any plans to continue?

Dorothee

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  • steve4real
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Re: Unit Operations Approach for Rapid Disinfection of Human Waste (University of Toronto, USA and Bangladesh)

Hi Dorothy,
Thanks again for Following Up - Our project was extended until March 31st. We will be presenting it along with the other RTTC members this March in Delhi. I'll feel more comfortable sharing the pictures and videos of the completed project then.

Thanks for checking in.

Cheers,

Steve

Stephen Sauder, M.Sc., M.A., B.A
Project Manager | Reinvent the Toilet
Centre for Global Engineering, University of Toronto
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  • steve4real
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Re: Sanitation NoW! RTTC Round One Phase Three

The University of Toronto and its partners at the University of Western Ontario and the University of Queensland are excited to announce that we have been actively working on the third phase of our Reinvent the Toilet Challenge.

We are building on all the exciting progress we made in Phase 2 to make a smaller, more efficient, and cheaper version of our prototype. The technology will not differ much from our Phase 2 prototype. For a very excellent summary of our technology please watch our animated video.

www.bit.ly/sanitationnow


Cheers,

Steve



++++++++++

Note by moderator (EvM):
See in grant database: www.gatesfoundation.org/How-We-Work/Quic...s/2014/08/OPP1111267
Size: USD 2,349,432

Stephen Sauder, M.Sc., M.A., B.A
Project Manager | Reinvent the Toilet
Centre for Global Engineering, University of Toronto
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  • steve4real
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Re: Sanitation NoW - Unit Operations Approach for Rapid Disinfection of Human Waste (University of Toronto, Canada)

Hi Everyone,
My apologies for not posting an update sooner. We are fevershily working under the third phase of our RTTC grant. Please listen to Prof. Yu-Ling Cheng's high level presentation at FSM3 in March of this year for a very excellent overview of where we are at.

The exact starting point is here:


Or go to 48m21s here:



We have an integrated prototype that is operational in our lab. We will be testing it using donated human samples this summer. I've attached a photo of our phase 2 prototype. The key differences of phase 2 vs phase 3 is that our phase 3 prototype will be much smaller and will be able to operate without a dedicated daily operator. No photos of our phase 3 prototype yet but will update when we can.

Thanks,

Steve

+++++++++
Note by moderator:
The presentation slides from Yu-Ling Cheng's presentation at FSM3 are here:
www.susana.org/images/documents/07-cap-d...m-3/3-3-2-4Cheng.pdf
(or on this page: www.susana.org/en/resources/conference-m...ials-2/2015/259-fsm3 )

Stephen Sauder, M.Sc., M.A., B.A
Project Manager | Reinvent the Toilet
Centre for Global Engineering, University of Toronto
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  • cheng
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Re: University of Toronto - Reinvented Toilet Phase 4

Here is an update about a project that I am leading at the University of Toronto with funding from the Gates Foundation. This is Phase 4 of the project. We have been going for 7 years now: Phase 1 started in 2011.

Title of grant: An Integrated Household Scale Sanitation Appliance



(This photo is from the STeP website, it shows me with BMGF project officer Doulay Koné, explaining our technology)

- Name of lead organization: University of Toronto
- Primary contact at lead organization: Stephen Sauder, Project Manager
- Grantee location: Toronto, Ontario, Canada
- Developing country where the research is being or will be tested: India
- Start and end date: April 1, 2018 to June 30, 2019
- Grant type: Reinvent the Toilet Challenge
- Grant size: USD 2,000,000

Short description of the project:

Building on progress made to date for an energy efficient, cyclic-continuous household sanitation process based on liquid/solid separation or dewatering, in situ drying, smoldering and post smoldering catalytic conversion of solid excreta, and heat pasteurization of liquid waste, work during this phase will focus on continuing process simplification, improving reactor thermal performance, reducing mechanical complexity, improving robustness, learning about and addressing user behavior, identifying and engaging manufacturing and commercialization partners, and incorporating their input to reduce cost and productize our technology.

Goal: The goal is a commercially viable sanitation appliance that will be ready for commercial production development.

Objectives: This grant will be used to continue the development of an integrated household scale sanitation appliance – towards multiple site field studies and towards commercialization.

Research or implementation partners: STeP ( stepsforsanitation.org/ ) and Sankoya
(STeP helps partners of the Gates Foundation by streamlining and removing the risk of technology development and commercialization.)

Links, further readings – results to date: N/A
The project's entry in the SuSanA project database is here: www.susana.org/en/knowledge-hub/projects/database/details/551
Or Phase 1 to 3 of this project is here: www.susana.org/en/knowledge-hub/projects/database/details/61

Current state of affairs: Field testing of the fourth integrated prototype will begin October 2018 in Coimbatore, India

Biggest successes so far: Achieving smoldering of full moisture content human feces with no pre-drying requirement, and at controllable rates.

Main challenges / frustration: Mechanical complexity is the main challenge, but we have significantly simplified our system already and will continue to further simplify.

Regards,
Yu-Ling


Yu-Ling Cheng
Distinguished Professor of Global Engineering
Professor, Departmental of Chemical Engineering and Applied Chemistry
University of Toronto
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