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Primary Examiner: White, Robert F.
Assistant Examiner: Hall, James R.
Attorney: Holman & Stern

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Title: Preparation of feed material for a blast furnace

Abstract: Producing a briquetted oxidic feed for a blast furnace by pelletizing very fine zinc oxide or zinc oxide and lead oxide powder into pellets having an average diameter of from 2 to 10 millimeters prior to briquetting the oxide pellets at a temperature of from 500.degree. to 800.degree.C and a pressure of from 1 to 20 tons/square inch.

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Inventors: Harris, Colin Frank (near Bristol, EN)

Application Number: 423748
Filing Date: 1973-12-11
Publication_date: 1976-03-23
Assignee: Metallurgical Processes Ltd. (Nassau, BA); I.S.C. Smelting Limited (Metallurgical Development Company) (London, EN)
Primary Class(es): 264/117
Other Classes:
US Patent Ref:

3231649	Jan, 1966	Pfeiffer	264/109.
3401089	Sep, 1968	Friedrich et al.	264/117.
3562783	Feb, 1971	Gorin	264/117.
3760050	Sep, 1973	Blaker et al.	264/117.

Other Refs: Other References: Chemical Engineering Magazine, Dec. 4, 1967, McGraw-Hill Pub. Co., New York, pp. 154-157.