( Assisted ) sedimentation.
https://www.emergency-wash.org/water/en/technologies/technology/assisted-sedimentation
👉🏼 PDF: https://app.box.com/s/yarrabh3olpt3y6rtudftqdjfts8o6zw __ Sedimentation is a pre-treatment step used to remove suspended solids from water with varying levels of turbidity (or ‘muddiness’) and may involve the addition of chemicals to accelerate the process. It can be used prior to a final treatment step, such as Microfiltration T.3 , Chlorination T.6 or Nanofiltration/Reverse Osmosis T.15 . Sedimentation can be used in all phases of an emergency.