Take a look inside PAUL

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• No energy needed – gravity driven
• No chemicals needed
• Simple & robust
• No or nearly no maintenance needed
• Operational even for illiterates
• Easily transportable, even hands-free as a backpack
• Designed to help in emergencies and disasters

• gravity driven dead end filtration with vertical flat sheet membranes
• ULP-UF: ultra low pressure ultrafiltration: max. 0.08 bar
  – pore blocking: close to zero
  – cake layer removal: by gravity (sinks to the bottom and then to be removed)
  – process: pressure operated (instead of usual flow driven process)
• ≈ 10 m2 membrane surface area, lifetime 10+ years
• Min. capacity 1,200 L/d, practical measurements from 2,000 to 6,000 L/d
• no spare parts necessary