Patents by Inventor Kees Goubitz

Kees Goubitz 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 and system for phosphate recovery from a stream
    Patent number: 11834355
    Abstract: The invention relates to a method and system for phosphate recovery from a stream such as waste flow, sewage or another sludge stream. The method comprises the steps of: providing an incoming stream comprising an initial amount of phosphate; dosing/controlling iron salt to the stream such that precipitates are formed in the stream, wherein the precipitates comprise vivianite like structures comprising more than 60% of the initial amount of phosphate in the incoming stream, and preferably also the steps of: separating the vivianite like structures from the stream; and recovering the phosphates from the separated vivianite like structures.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: December 5, 2023
    Assignee: Kemira Oyj
    Inventors: Philipp Karl Wilfert, Leendert Date Korving, Peter Carlo Rem, Geert-Jan Witkamp, Marinus Cornelis Maria Van Loosdrecht, Achim Lulian Dugulan, Kees Goubitz, Simon Peter Maria Berkhout
  • Method and System for Phosphate Recovery from a Stream
    Publication number: 20200010342
    Abstract: The invention relates to a method and system for phosphate recovery from a stream such as waste flow, sewage or another sludge stream. The method comprises the steps of: providing an incoming stream comprising an initial amount of phosphate; dosing/controlling iron salt to the stream such that precipitates are formed in the stream, wherein the precipitates comprise vivianite like structures comprising more than 60% of the initial amount of phosphate in the incoming stream, and preferably also the steps of: separating the vivianite like structures from the stream; and recovering the phosphates from the separated vivianite like structures.
    Type: Application
    Filed: March 14, 2018
    Publication date: January 9, 2020
    Inventors: Philipp Karl Wilfert, Leendert Date Korving, Peter Carlo Rem, Geert-Jan Witkamp, Marinus Cornelis Maria Van Loosdrecht, Achim Lulian Dugulan, Kees Goubitz, Simon Peter Maria Berkhout