Patents by Inventor Haukur Jöhannesson

Haukur Jöhannesson 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).

  • Liquefaction of Biomass at Low pH
    Publication number: 20140323716
    Abstract: The present invention relates to regulation of the p H of a liquefaction process. Presented is a method for treatment of a biomass feedstock wherein the biomass feedstock is subjected to liquefaction, at a p H of at most 4, by treatment with hot compressed liquid water (HCW) at subcritical and/or supercritical conditions to improve the conversion efficiency. The present invention is also directed to quenching of a liquefaction process according to above, preventing, minimizing or eliminating clogging and/or fouling of sticky biomass components in process equipment during processing as according to above, and to the use of additives in a biomass liquefaction process.
    Type: Application
    Filed: November 8, 2012
    Publication date: October 30, 2014
    Applicant: REAC FUEL AB
    Inventors: Anders Carlius, Andreas Gram, Corinne Granath, Haukur Jöhannesson, Göran Karlsson