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2 074 111

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IPC

(21) (22)

Application

93037060/26, 1993-07-21

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Actual filing date

1993-07-21

(45)

Published

1997-02-27

(72)

Inventor

Talkhaev M.P.Borisova L.I.Pimenov S.D.Shamshin Ju.S.Alushkin Ju.A.Jur'Eva V.I.Shevchuk D.E.Marshall I.V.Talkhaeva L.M.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Khimicheskie Tekhnologii"Tol'Jattinskij Nauchno-Issledovatel'Skij Otdel Leningradskogo Gosudarstvennogo Nauchno-Issledovatel'Skogo I Proektnogo Instituta Osnovnoj Khimicheskoj Promyshlennosti

METHOD FOR SINTERING PHOSPHATE RAW MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2074111 C1

FIELD: technology of sintering phosphate raw material for production of yellow phosphorous by electrothermal method. SUBSTANCE: method includes mixing of phosphate raw material with additives to obtain the mixture with the ratio of total content of compounds of fluorine, oxides of alkali metal, aluminum and iron to the total content of phosphorus pentoxide and silicon equalling 0.14-0.24 and, in so doing, ratio of oxides of alkali metals to phosphorus pentoxide equalling 0.02-0.1. EFFECT: higher efficiency due to increased impact strength and abrasion resistance, enhanced yield of quality standard fraction of 20-40 mm and reduced heat consumption. 2 cl, 1 tbl

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RU 2 074 111 C1

Authors

Talkhaev M.P.

Borisova L.I.

Pimenov S.D.

Shamshin Ju.S.

Alushkin Ju.A.

Jur'Eva V.I.

Shevchuk D.E.

Marshall I.V.

Talkhaeva L.M.

Dates

1997-02-27—Published

1993-07-21—Filed