Process for treating metallic starting materials for smelting pl

Details Process for treating metallic starting materials for smelting pl Process for treating metallic starting materials for smelting pl

1981-05-27

1983-03-08

Silverberg, Sam

Coating processes

Particles, flakes, or granules coated or encapsulated

Applying superposed diverse coatings or coating a coated base

427216, 75256, 75 3, B05D 700

Patent

active

043761399

ABSTRACT:
For protecting iron sponge particles against reoxidation and/or corrosion a coating comprising CaO as well as iron or iron oxides as adhesion promotor is applied onto the iron sponge particles. Water is subsequently sprayed onto this coating whereupon a second coating of a mixture of dust-shaped CaO and a carbon carrier is applied. This second coating is subsequently humidified with a smaller amount of water than would be necessary for completely slaking the CaO contained within the second coating.

REFERENCES:
patent: 3690930 (1972-09-01), Mueller
patent: 4075370 (1978-02-01), Burlengam
patent: 4254167 (1981-03-01), Sulzbecher
patent: 4290800 (1981-09-01), Sensis

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