Patent Number: 6,251,307

Title: Metal passivation for anode grade petroleum coke

Abstract: The present invention relates to the use of petroleum coke for the manufacture of carbonaceous anodes for the aluminum smelting industry. The inclusion of Group 4 and/or Group 13 metal compounds as additives to the petroleum coker feedstock diminish the oxidizing tendencies of the metal impurities inherent in the petroleum coke.

Inventors: LeCours; Steven Matthew (Boothwyn, PA), Chester; Arthur Warren (Cherry Hill, NJ), Smith; Gary Lester (Lawrenceville, NJ)

Assignee: Mobil Oil Corporation

International Classification: C10B 57/06 (20060101); C10B 57/00 (20060101); C10B 55/00 (20060101); H01B 001/04 (); C25B 011/12 ()

Expiration Date: 06/26/2018