Simple auger-die assembly that treats fecal wastes (Phase 1) and Viscous heating for helminth deactivation in fecal sludge (Phase 2) - Various documents on results from research grant
Foutch, G. L. (2015)
Published in: 2015
Publisher:
Oklahoma State University, USA and University of Missouri – Kansas City, USA
Author:
Foutch, G. L.
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Content - Summary
This library entry contains background documents for a grant that Gary Foutch is 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.
Phase 1 and 2:
Short description of the project: We have built and tested a laboratory scale device that can heat fecal and simulant materials up to 190C by friction generated between a rotating inner core and a fixed outer core. Current efforts focus on reclamation of water vaporized from the waste.
Duration: 1 May, 2011 to 31 Oct 2012 (Phase 2 ended in Dec 14)
Phase 3:
We were successful in destroying Helminth eggs, particularly Ascaris lumbricoides, in VIP sludge during Phase 2 using viscous heating. Our next step is to scale-up the equipment for larger flow rates. This year we will design, build and test equipment that can operate effectively at 200 and 1000 L/hr. Our computational fluid dynamics design is underway with construction of devices beginning in May and testing in Durban during late summer and fall. Viscous heating allows any viscous fluid to heat itself on the molecular level by passing it through a shear field. No additional heating is required, we have achieved experimental temperatures up to 190 C. For Ascaris, no eggs have survived 80 C effluent temperatures. Water addition is not desired.
Duration: Jan. to Dec. 2016
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Documents available for download below:
1 - Faecal Sludge Treatment by Viscous Heating (Paper at the FSM2 Conference in Durban, South Africa, Oct. 2012)
2 - Faecal Sludge Treatment by Viscous Heating (Presentation at FSM2 Conference in Durban, South Africa, Oct. 2012)
3 - Final report of Phase 1 (December 2012)
4 - Presentation on Viscous Heating Effect on Deactivation of Helminth Eggs in VIP Sludge, FSM3 Conference in Hanoi (January 2015)
Bibliographic information
Foutch, G. L. (2015). Simple auger-die assembly that treats fecal wastes (Phase 1) and Viscous heating for helminth deactivation in fecal sludge (Phase 2) - Various documents on results from research grant. Oklahoma State University, USA and University of Missouri – Kansas City, USA
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English Fundamental research and engineering North America
