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Title: Carbothermic reduction with parallel heat sources

Disclosed are apparatus and method of carbothermic direct reduction for producing an aluminum alloy from a raw material mix including aluminum oxide, silicon oxide, and carbon wherein parallel heat sources are provided by a combustion heat source and by an electrical heat source at essentially the same position in the reactor, e.g., such as at the same horizontal level in the path of a gravity-fed moving bed in a vertical reactor. The present invention includes providing at least 79% of the heat energy required in the process by the electrical heat source.
Authors:
 [1] ;  [2]
  1. (Murrysville, PA)
  2. (Washington Township, Washington County, PA)
Publication Date:
OSTI Identifier:
865272
Report Number(s):
US 4486229
US patent application 06/472,680
DOE Contract Number:
AC01-77CS40079
Resource Type:
Patent
Research Org:
ALUMINUM CO OF AMERICA
Country of Publication:
United States
Language:
English
Subject:
carbothermic; reduction; parallel; heat; sources; disclosed; apparatus; method; carbothermic; direct; reduction; producing; aluminum; alloy; raw; material; mix; including; aluminum; oxide; silicon; oxide; carbon; parallel; heat; sources; provided; combustion; heat; source; electrical; heat; source; essentially; position; reactor; horizontal; level; path; gravity-fed; moving; bed; vertical; reactor; providing; 79; heat; energy; required; process; electrical; heat; source; moving bed; heat sources; heat sources; carbothermic reduction; heat energy; aluminum oxide; heat source; heat source; heat source; heat source; heat source; silicon oxide; aluminum alloy; raw material; combustion heat; electrical heat; electrical heat; energy required; parallel heat; parallel heat; direct reduction; including aluminum /75/