MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517033336 A) filed by Topsoe A/S, Lyngby, Denmark, on April 4, for 'a process for recovery of hydrogen during hydroprocessing of a feedstock comprising oxygenates.'
Inventor(s) include Andersen Stefan.
The application for the patent was published on May 30, under issue no. 22/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a process and a process plant for partial hydroprocessing of a feedstock comprising oxygenates comprising the steps of directing said feedstock an amount of make up hydrogen and a recycle gas to a catalytic hydrotreatment process under conditions converting 30 95% of oxygenates to hydrocarbons to provide a partially hydroprocessed product stream adding an amount of recycled wash water comprising at least 0.1 wt% oxygenates to at least an amount of said hydroprocessed product stream optionally in combination with a further amount of wash water to provide a combined hydroprocessed product stream cooling the combined hydroprocessed product stream and separating it in a vapor product fraction a liquid aqueous fraction and a liquid product fraction withdrawing as a waste stream a first amount of said liquid aqueous fraction either as a purge or by a purification process directing as said amount of recycled wash water at least a second amount of said liquid aqueous fraction. This is related to the benefit of minimizing the withdrawal of oxygenates in the wash water since the wash water is at least partially saturated with oxygenates."
The patent application was internationally filed on Oct. 17, 2023, under International application No.PCT/EP2023/078758.
Disclaimer: Curated by HT Syndication.
