Patents by Inventor Katrin POLLMANN

Katrin POLLMANN 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).

  • Recovery of metals from industrial wastewater of low metal concentration
    Patent number: 10968122
    Abstract: The invention relates to a multi-step method for the selective, environmentally friendly and economical recovery of non-ferrous metals from industrial wastewater. The method is based on the principle of the complexing of the non-ferrous metals, separating out of the complexes and subsequent decomplexing of the non-ferrous metals. Siderophores are used as complexing agents. The siderophores are recovered within the process. The method can be used in particular even in the case of low non-ferrous metal concentrations. The method is efficient, environmentally friendly and economical.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 6, 2021
    Assignee: HELMHOLTZ-ZENTRUM DRESDEN—ROSSENDORF E.V.
    Inventors: Rohan Jain, Katrin Pollmann, Falk Lehmann
  • RECOVERY OF METALS FROM INDUSTRIAL WASTEWATER OF LOW METAL CONCENTRATION
    Publication number: 20210017054
    Abstract: The invention relates to a multi-step method for the selective, environmentally friendly and economical recovery of non-ferrous metals from industrial wastewater. The method is based on the principle of the complexing of the non-ferrous metals, separating out of the complexes and subsequent decomplexing of the non-ferrous metals. Siderophores are used as complexing agents. The siderophores are recovered within the process. The method can be used in particular even in the case of low non-ferrous metal concentrations. The method is efficient, environmentally friendly and economical.
    Type: Application
    Filed: April 3, 2019
    Publication date: January 21, 2021
    Applicant: HELMHOLTZ-ZENTRUM DRESDEN - ROSSENDORF E. V.
    Inventors: Rohan JAIN, Katrin POLLMANN, Falk LEHMANN