Patents Assigned to Repsol Quimica, S.A. a corporation of Spain
  • Process for the treatment of sodium-containing heavy residues and fuel so obtained
    Publication number: 20050234284
    Abstract: Process for the removal of sodium from sodium-containing heavy fractions from a process for the combined production of styrene and propylene oxide comprising admixing an aqueous solution of an organic carboxylic acid to the heavy fraction at a temperature comprised between 20° C. and 100° C., and separation of the organic phase from the aqueous phase, wherein the organic phase contains less than 0.5% by weight of polymeric solids. The obtained organic phase has low viscosity and ash content and can be used directly as a fuel.
    Type: Application
    Filed: October 29, 2004
    Publication date: October 20, 2005
    Applicant: Repsol Quimica, S.A. a corporation of Spain
    Inventors: Pilar de Frutos Escrig, Eva Maria Garcia Biosca