The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 1977
Filed:
Jun. 02, 1975
Edward D Burger, Plano, TX (US);
Daniel J Curtin, Plano, TX (US);
Robert R Edison, Olympia Fields, IL (US);
Atlantic Richfield Company, Los Angeles, CA (US);
Abstract
Method of removing a contaminant, such as arsenic or selenium, from a synthetic hydrocarbonaceous fluid comprising providing a guard bed having a plurality of sections, a first section having from about 10 to about 75 percent of its volume occupied by a contaminant-removing material comprising, alone or on a carrier, either iron, cobalt, nickel, oxides or sulfides of these metals, or combinations thereof; the remainder being inert material. A second section of the guard bed has a major portion of its volume occupied by the contaminant-removing material. The feed oil, in the presence of hydrogen is contacted with the particles in the respective sections of the guard bed.