Water purification Catalyst, Water Purifier, Beverage maker and method

Wilhelmus Hendrikus Maria Bruggink (Inventor), Paulus Cornelis Duineveld (Inventor), Roger Brunet Espinosa (Inventor), Damon Rafieian (Inventor), Rob Lammertink (Inventor), Leon Lefferts (Inventor)

Research output: Patent

Abstract

There is provided a water purification catalyst element (100). The catalyst element (100) comprises a porous support (102) having a first surface (106) and a second surface (110). The first or the second surface (106, 110) delimit a conduit (114) through the catalyst element (100). A material (104) comprising a noble metal is supported on the porous support (102). At least the first surface (106) is coated with a coating material (108) permeable to hydrogen gas and impermeable to water, and at least the second surface (110) is water-permeable. This catalyst element (100) can selectively convert nitrites and/or nitrates to N2 gas and can be used to provide a cost efficient and/or maintenance free water purification setup. There is also provided a water purifier (200) comprising the catalyst element (100), a beverage maker (300) comprising the water purifier (200), a method (1800) of water purification and a method (1900) of making the catalyst element (100).
Original languageEnglish
Patent numberUS201615557309 20160325
Filing date25/03/16
Publication statusPublished - 22 Feb 2018

Keywords

  • Water purification catalyst
  • Water purifier
  • Beverage maker and method

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