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2 160 250

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Application

99108626/04, 1999-04-20

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Start date

1999-04-20

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Actual filing date

1999-04-20

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Published

2000-12-10

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Inventor

Dedov A.S.Zakharov V.Ju.Masljakov A.I.Nasonov Ju.B.Tataurov V.L.Lavrinov A.G.Abramov O.B.Borovneva N.I.Golubev A.N.Shabalin D.A.

(73)

Holder

Oao Khimicheskij Kombinat Im. B.P. Konstantinova"

METHOD OF ISOLATING INDUSTRIAL SODIUM FORMATE Russian patent published in 2000 - IPC

Abstract RU 2160250 C1

FIELD: technology of preparing industrial sodium formate from aqueous solution of industrial chloral which is chloroform production waste. SUBSTANCE: process is carried out by splitting industrial chloral with sodium hydroxide. Said aqueous solution is evaporated to residual moisture content of 16.8-29.7 wt %, preferably at atmospheric pressure and temperature of 125-132 C. The evaporated pulp is crystallized, then dried and residual moisture is evaporated in current of air. EFFECT: greater efficiency of the process. 3 cl, 1 tbl

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RU 2 160 250 C1

Authors

Dedov A.S.

Zakharov V.Ju.

Masljakov A.I.

Nasonov Ju.B.

Tataurov V.L.

Lavrinov A.G.

Abramov O.B.

Borovneva N.I.

Golubev A.N.

Shabalin D.A.

Dates

2000-12-10—Published

1999-04-20—Filed

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