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2 110 471

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Application

96114318/25, 1996-07-18

(22)

Actual filing date

1996-07-18

(45)

Published

1998-05-10

(72)

Inventor

Surovtseva L.A.Chumaevskij V.A.Novikov P.N.Umanskij R.I.Oderberg A.S.Kazenova E.I.

(73)

Holder

Aktsionernoe Obshchestvo

METHOD FOR PRODUCTION OF SODIUM PERBORATE Russian patent published in 1998 - IPC

Abstract RU 2110471 C1

FIELD: chemical industry, namely, production of sodium perborate. SUBSTANCE: origin material is decomposed with reusable mother solution being prepared after crystallization of final product. Boron-containing ore, namely, tincal mineral is used as said origin material. Mineral is fed into reusable solution, rate of its feeding is 30-125 kg of B2O3/h per 1 m3 of solution. Thus prepared solution of sodium metaborate is separated of slime and cooled. The process is followed by treatment with 27-40 % solution of hydrogen peroxide and by crystallization. EFFECT: improved efficiency of the method. 2 cl

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RU 2 110 471 C1

Authors

Surovtseva L.A.

Chumaevskij V.A.

Novikov P.N.

Umanskij R.I.

Oderberg A.S.

Kazenova E.I.

Dates

1998-05-10—Published

1996-07-18—Filed

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