Patents Assigned to S.I.R.I. Societa' Italiana Ricerche Industriali S.p.A.
  • Process for manufacturing a catalyst for the synthesis of ammonia and product thereby obtained
    Patent number: 4073749
    Abstract: A process for manufacturing a spherical catalyst comprising magnetite, aluminum oxide, potash, calcium oxide and magnesium oxide, for the ammonia synthesis, comprising: melting the charge in a furnace, preferably of the resistance type, at a temperature not lower than 1600.degree. C., granulating the mass in a dish granulator, after the addition of water and bentonite, dehydrating and sintering the granulate product.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: February 14, 1978
    Assignee: S.I.R.I. Societa' Italiana Ricerche Industriali S.p.A.
    Inventor: Attilio Passariello