Magnesium-calcium alloys for debismuthizing lead

Details Magnesium-calcium alloys for debismuthizing lead Magnesium-calcium alloys for debismuthizing lead

1991-03-22

1992-09-01

Wyszomerski, George

Alloys or metallic compositions

Magnesium base

C22C 2300

Patent

active

051436930

ABSTRACT:
A novel alloy for use in lead refining is disclosed comprised substantially of magnesium and calcium. The preferred ratio on a weight basis of magnesium to calcium is between about 1.2:1 to about 3.0:1. A method of refining a lead bath with the novel alloy is disclosed which provides a high recovery ratio of impurities present therein.

REFERENCES:
patent: 1698647 (1929-01-01), Michel
patent: 1738669 (1929-10-01), Rich
patent: 1840028 (1932-01-01), Fingland et al.
patent: 1853540 (1932-04-01), Betterton
patent: 2129445 (1938-09-01), Rehns
patent: 2133327 (1938-10-01), Jollivet
patent: 4881991 (1989-11-01), Thom

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