Patents by Inventor Marinus C. Van Loosdrecht

Marinus C. Van Loosdrecht has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for the treatment of waste water with sludge granules
    Patent number: 7273553
    Abstract: The invention relates to a method for the treatment of waste water comprising an organic nutrient. According to the invention, the waste water is in a first step fed to sludge granules, after the supply of the waste water to be treated the sludge granules are fluidised in the presence of an oxygen-comprising gas, and in a third step, the sludge granules are allowed to settle in a settling step. This makes it possible to effectively remove not only organic nutrients but optionally also nitrogen compounds and phosphate.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: September 25, 2007
    Assignee: DHV Water BV
    Inventors: Marinus C. Van Loosdrecht, Merle K. De Kreuk