Reverse osmosis

===Power consumption for a disc tube module system===
[[File:Disc tube module and Spiral wound module.png|alt=Disc tube module and Spiral wound module|thumb|Disc tube module with RO membrane cushion and Spiral wound module with RO membrane]]

{| class="wikitable"
! colspan="4" |Energy consumption per m<sup>3</sup> leachate
|-
|name of module
|1-stage up to 75 bar
|2-stage up to 75 bar
|3-stage up to 120 bar
|-
|disc tube module
|6.1–8.1 kWh/m<sup>3</sup>
|8.1–9.8 kWh/m<sup>3</sup>
|11.2–14.3 kWh/m<sup>3</sup>
|}