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*[[Biogas]] toilet, too large scale for the specs; for longer term settlement (due to capital cost, time for construction); relatively unproven. (E.g. [http://www.afrigadget.com/2007/03/01/bio-latrines-in-kenyan-slums/ Bio Latrines in Kenyan Slums].) | *[[Biogas]] toilet, too large scale for the specs; for longer term settlement (due to capital cost, time for construction); relatively unproven. (E.g. [http://www.afrigadget.com/2007/03/01/bio-latrines-in-kenyan-slums/ Bio Latrines in Kenyan Slums].) | ||
*Non-composting, non-biogas toilets | *Non-composting, non-biogas toilets | ||
**Emphasis on public health (rather than sustainability or treating the waste as a resource). | **Emphasis on public health (rather than [[sustainability]] or treating the waste as a resource). | ||
**e.g. the {{WP|BiPu}} | **e.g. the {{WP|BiPu}} | ||
***Cost? [[User:Chriswaterguy|Chriswaterguy]] to find out. | ***Cost? [[User:Chriswaterguy|Chriswaterguy]] to find out. | ||
Revision as of 17:44, 11 August 2008
Substitute for pit latrines, septic systems or conventional sewage handling with:
- area-appropriate composting toilet design
Financial model:
Possibly as cheap as $20 per household in warm areas, assuming shared toilet banks. Practical, realistic designs have not undergone the "value engineering" necessary for this application yet, so are still too costly, although clearly a cheap, basic, functional unit for any given climate could be created.
Water System
Priorities
- public health is the overwhelming priority.
- low cost is essential - if it's not cheap, it won't be used as much and won't achieve as much.
- low ecological impact is very desirable if it doesn't compromise public health.
- suitable for various cultural practices. Target users may be accustomed to using water to cleanse (but can most often cope with small amounts of water), or other W methods, so the device should ideally tolerate sticks, rocks, paper, or whatever else is likely to be thrown in.
Options
- Composting toilet
- Biogas toilet, too large scale for the specs; for longer term settlement (due to capital cost, time for construction); relatively unproven. (E.g. Bio Latrines in Kenyan Slums.)
- Non-composting, non-biogas toilets
- Emphasis on public health (rather than sustainability or treating the waste as a resource).
- e.g. the W
- Cost? Chriswaterguy to find out.
- What's the status of the solid material afterwards? Can be composted?
- Proven in the field, including Aceh.[verification needed]
- Ultra-cheap systems, based on the Kamal Kar's work. Any applicable to this situation? Chriswaterguy to find out.
- What about small community based Constructed wetlands?