Patents Assigned to Solvay Unmeltchemie GmbH
  • Method of introducing hydrogen into aqueous liquids without forming bubbles
    Patent number: 5523003
    Abstract: The invention relates to a method of introducing hydrogen into aqueous liquids without forming bubbles.In this case, the introduction of the gas takes place through a composite membrane with a non-porous coating on the liquid side. Preferred fields of use relate to the charging of hydrogen into biologically or catalytically operating processes for the removal of oxygen, nitrite and/or nitrate from water.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: June 4, 1996
    Assignee: Solvay Unmeltchemie GmbH
    Inventors: Michael Sell, Michael Bischoff, Andreas Mann, Rolf-Dieter Behling, Klaus-Viktor Peinemann, Klemens Kneifel