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2 041 026

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(51)

IPC

(21) (22)

Application

5062380/02, 1992-09-16

(22)

Actual filing date

1992-09-16

(45)

Published

1995-08-09

(72)

Inventor

Shklovskaja N.I.Pashkova E.V.Gornikov Ju.I.Novosadova E.B.Oranskaja E.I.Tatishvili G.G.Surguladze B.V.

(73)

Holder

Institut Khimii Poverkhnosti An Ukrainy

METHOD OF PRODUCING ULTRADISPERSED POWDER OF METALLIC IRON Russian patent published in 1995 - IPC

Abstract RU 2041026 C1

FIELD: powder engineering. SUBSTANCE: within this method hydroxy iron is dried at 80-100 C and pressure 11230-25270Pa, reduced at feeding speed 28-41 l/hour, temperature 250-400 C during 2-4 hours in pseudo-liquefied layer. Then hydroxy iron is immersed into 0,1-0,5 per cent oleic acid solution in hexane or decane, filtered, rinsed with hexane or decane and dried in the air. EFFECT: improved quality. 2 tbl

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RU 2 041 026 C1

Authors

Shklovskaja N.I.

Pashkova E.V.

Gornikov Ju.I.

Novosadova E.B.

Oranskaja E.I.

Tatishvili G.G.

Surguladze B.V.

Dates

1995-08-09—Published

1992-09-16—Filed