Case Studies: Drupps AB

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Case 1 of 1: Drupps demonstration system, Uppsala, Sweden
Location: ​​Drupps AB, Ulls väg 24D, SE-756 51 Uppsala, Sweden
Installation completion date: 2019-05-25
System specifications:
  • Type, model: Liquid desiccant dehumidifier, Model name is "White"​
    • Two modules
      1. Water vapour absorption into desiccant
      2. Water producer
  • 3,000 L/day
  • Energy cost of water: 0.2 to 0.3 kWh/L​​​​
  • Ambient air operating range: 0 to 50 °C; RH 25 to 100%
Challenges met:
  • Successful year-round water-from-air system operation at a relatively high northern latitude (59° 52' N) in a Warm Summer Continental Climate 
Other interesting information:
  • Drupps said, "The purpose of the installation is to collect runtime data, to function as a live reference installation and for client demonstrations. It is running 24 hours per day except downtime for software updates and re-configuration."
Public information sources:
  • https://drupps.com [accessed 2019-10-16]
  • https://drupps.com/tech/references/ [accessed 2019-10-16]
  • Drupps Explanation: https://www.youtube.com/watch?v=A7X4vPnuQZo&feature=youtu.be [accessed 2020-05-15]
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