simple composting toilets final
DESCRIPTION
TRANSCRIPT
A Feasible Alternative
Simple Composting Toilets
Engineering 308Heather Weiche & Jeremy Battles
Composting toilets take human waste and turn it into a nutrient rich fertilizer.
Reasons for using a composting toilet
With a composting toilet we have an intact system. No pollution from our waste products.
Prevent sewage run offinto water ways.Conserving waterNo need for chemicalfertilizers
Management
(Source: Sustainable sanitation on flickr.com)
Aeration
More is better!
Source: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC170689/pdf/aem00013-0145.pdf
Hand-crank turns pile for aeration
Carbon/Nitrogen Ratio
(1:25 optimal)
Size
>
Moisture
Hand pump re-circulates fluid from the bottom.
Applications (HSU)
CCAT Box Duchamp de Loo
Applications (Commercial)
Sun Mar Phoenix Biolet
The Humanure Handbook: A guide to composting human manure. By Joseph Jenkins
The Toilet Papers: Recycling Waste and Conserving Water. By Sim Van der Ryn
Book References