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A unit operations approach for rapid disinfection of human waste based on drying/smoldering of solid and sand filtration/uv disinfection of liquid waste - Various documents on results from research grant

Cheng, Y.-L., Saunder, S. (2013)

Published in: 2013

Publisher:
University of Toronto, Toronto, Canada

Author:
Cheng, Y.-L., Saunder, S.

Uploaded by:
SuSanA secretariat

Partner profile:
common upload


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 Location of library entry

Content - Summary

This library entry contains background documents for a grant that Yu-Ling Cheng (PI) and Stephen Sauder (PM) are leading and which is funded by the Bill and Melinda Gates Foundation.

Further information and a discussion is available on the SuSanA discussion Forum, see link below.

Short description of the project:
To describe how it works, one needs to follow the process from beginning to end: the waste is collected through a squat-style toilet (the target market is Asia and Africa, where such toilets are common). Waste will then be separated into liquid and solid streams using standard de-watering techniques. Disinfection of the solid stream will proceed by means of smouldering, a flameless combustion process similar to what occurs inside of a coal barbecue. For the liquid stream, a sand / UV filter will be used. We are still in the process of narrowing design pathways with a potential for a different unit approach to liquid disinfection.

Objectives:
The goal of this project is to develop a technology for treating solid waste streams through mechanical dehydration and smoldering that will sanitize feces within 24 hours. We also intend to develop a method for sanitizing urine through membrane filtration and ultraviolet disinfection. Essentially we are building a household scale wastewater treatment plant.

Start and end date: June 2011 until 31 January 2014

Research or implementation partners: Western University and University of Queensland

Authors:
Fishman, Z., Mee Y., Jung, T., Pironi, P., Krajcovic, M., Melamed, S., Webb, M., Torero, J. L., Gerhard, J. I., Diosady, L. L., Lawryshyn, Y., Edwards, E., Kortschot, M. T., Cheng, Y. L.

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Documents available for download below:

1 - A unit operations approach for rapid disinfection of human waste based on drying/smoldering of solid and sand filtration/uv disinfection of liquid waste (presentation at FSM2 Conference in Durban, South Africa, Oct. 2012)

2 - A household sanitation process based on integrated diversion/dewatering, drying/smoldering of solid waste, and pasteurization of liquid waste (presentation at FSM3 Conference in Hanoi, Vietnam, Jan. 2015)

Bibliographic information

Cheng, Y.-L., Saunder, S. (2013). A unit operations approach for rapid disinfection of human waste based on drying/smoldering of solid and sand filtration/uv disinfection of liquid waste - Various documents on results from research grant. University of Toronto, Toronto, Canada

Filter tags

East Asia & Pacific English Fundamental research and engineering North America

Further readings

Download

1 - A unit operations approach for rapid disinfection of human waste (presentation at FSM2 Conference in Durban, South Africa, Oct. 2012)

Format: pdf file
Size: 1.04 MB

2 - A household sanitation process based on integrated diversion/dewatering, drying/smoldering of solid waste, and pasteurization of liquid waste

Format: pdf file
Size: 0.91 MB

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