Patents by Inventor Vasileios Sfakianakis

Vasileios Sfakianakis 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).

  • Publication number: 20210292163
    Abstract: The present invention relates to a process for the production of carbon dioxide and ammonia for the production of urea or ammonium carbamate from residual gases in the steel and metal industries, in particular basic oxygen furnace (BOF) gas and/or blast furnace (BF) gas. The process according to the invention comprises: (a) subjecting a mixture comprising (i) basic oxygen furnace gas and/or blast furnace gas and (ii) steam to a separation-enhanced water gas shift reaction to obtain a first product gas comprising H2 and N2 and a second product gas comprising CO2; (b) subjecting the first product gas originating from step (a) to NH3 synthesis to obtain a product gas comprising NH3; and (c) optionally subjecting at least part of the CO2 originating from step (a) and at least part of the NH3 originating from step (b) to the synthesis of urea or ammonium carbamate.
    Type: Application
    Filed: August 2, 2019
    Publication date: September 23, 2021
    Applicant: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO
    Inventors: Jaap Ferdinand Vente, Vasileios Sfakianakis, Paul Dean Cobden