Water purification

Remove pathogens and contaminants from water: heat, filtration, chemicals and sun, from household to industrial scale.

5 articles · 3 to write

Articles

Boiling water
Boil water to kill pathogens, with time adjusted for altitude, safe cooling and storage, and fuel consumption.
- N1 · Pottery and farming
- Draft
- Machine translation
Solar disinfection (SODIS)
Disinfect clear water in PET bottles in the sun: turbidity, exposure times by cloud cover, what it doesn't remove, storage and verification.
- N0 · Natural materials
- Draft
- Machine translation
Chemical disinfection of water with chlorine and iodine
Bleach, calcium hypochlorite and iodine doses per liter and per tank, contact times, residual chlorine, limits and safe handling.
- N1 · Pottery and farming
- Draft
- Machine translation
Slow sand filter and charcoal biofilter
Household (biosand) and community slow sand filter, with biological layer, sizing and cleaning; granular charcoal bed.
- N1 · Pottery and farming
- Draft
- Machine translation
Ceramic and carbon filters
Make, test and use silver-impregnated ceramic pot filters, candle filters and a carbon stage; what they remove and what they do not.
- N1 · Pottery and farming
- Draft
- Machine translation

Topics to write (3)

Articles planned for this section that have not been written yet (listed in Spanish, the original language).