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2 035 394

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C1

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IPC

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Application

92000485/02, 1992-10-14

(22)

Actual filing date

1992-10-14

(45)

Published

1995-05-20

(72)

Inventor

Talkhaev M.P.Borisova L.I.Lifson M.I.Konevskij M.R.Arlievskij M.P.Baburina M.S.Shevchuk D.E.Marshall I.V.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Khimicheskie Tekhnologii"

METHOD FOR AGGLOMERATION OF PHOSPHATE FEEDSTOCK Russian patent published in 1995 - IPC

Abstract RU 2035394 C1

FIELD: production of phosphorus compounds. SUBSTANCE: method utilizes apatite concentrate fraction, size 0.315-0 mm in the amount of 70-90 wt.-% of the total charge. The binders contain 4-21% of P2O5 where the 0.074-0 mm fraction constitutes 60-90%. Then prepared charge is burnt in rotary furnace at 1200-1250 C until pelletized product with a density of 1400-1800 kg/m3 is obtained. EFFECT: higher strength of pelletized product and larger yield of quality fractions. 2 cl, 1 tbl

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RU 2 035 394 C1

Authors

Talkhaev M.P.

Borisova L.I.

Lifson M.I.

Konevskij M.R.

Arlievskij M.P.

Baburina M.S.

Shevchuk D.E.

Marshall I.V.

Dates

1995-05-20—Published

1992-10-14—Filed

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