serves 250, 000 people
ingredients
- water (used)
- food scrapes
- fog (fats, oil & grease)
- rubbish (apple stickers)
- 1% poo, pee and vomit
- toilet paper
- tampons, pads & their wrappers, condoms
- dental floss
- cotton buds
- tissues
- wet wipes
- hair
- nail clippings
- grit like sand, dirt and dust
- soaps, shampoos & conditioner
- detergent, dishwasher tablets & floor cleaner
- harsh chemicals (paint, solvents, pesticides)
- toys (lego, barbie doll legs)
- dentures
- high concentration of micro organisms
- machinery
Step 1
remove large solids through the physical separation – screenings
Step 2
filter dirt particles with jets of air
Step 3
Sedimentation: scrape the fog (fats, oils & grease) from the top – the sludge and the scum – (poo) from the bottom
Step 4
Bio Reactor: add high concentrations of microorganisms and vary the amounts of air in the tank
Step 5
using high speed centrifuges remove the remaining water & compress the bio waste into cake
Informative article, just what I wanted to find.
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