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Ox02a: First automated prototype

Our first automated prototype using an Arduino, 7 solenoid valves and two columns filled with zeolite


  • Three 2-way valves (1,2,7) and four 3-way valves (3-6)
  • Zeolite bed with 340g zeolite each
  • Container: FESTO Fluidic muscle


  • Column housing = Reverse Osmosis Membrane housing
  • 340 g LiX in each column
  • Valves: Festo, Switching controller: Aduino
  • 65% oxygen in outlet stream (2.5 l/min) using pressurised dry air (6 bar) in input.
  • Switching cycle: 6s pressurizing/blowdown, 1s feeding, 1s purge

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