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2 523 011

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(51)

IPC

C07C35/08(2006-01-01)

C07C49/403(2006-01-01)

C07C27/26(2006-01-01)

(21) (22)

Application

2012144159/04, 2012-10-16

(24)

Start date

2012-10-16

(22)

Actual filing date

2012-10-16

(45)

Published

2014-07-20

(72)

Inventor

Glazko Il'Ja LeonidovichMartynenko Evgenija AndreevnaLevanova Svetlana Vasil'EvnaSokolov Aleksandr Borisovich

(73)

Holder

Glazko Il'Ja LeonidovichMartynenko Evgenija AndreevnaLevanova Svetlana Vasil'EvnaSokolov Aleksandr Borisovich

METHOD OF CYCLOHEXANONE PURIFICATION Russian patent published in 2014 - IPC C07C35/08 C07C49/403 C07C27/26

Abstract RU 2523011 C2

FIELD: chemistry.

SUBSTANCE: described is a method of purification of cyclohexanone, obtained by oxidation of cyclohexane with air oxygen or dehydrogenation of cyclohexanol, in which the process of rectification is performed in a split vacuum rectification column (2 columns), where distillate of the first column feeds the second column; from the bottom of the first column a mixture of cyclohexanol and highly boiling admixtures is removed for further separation, and the bottom of the second column is a condensate for the first, an alkali (KOH) solution in cyclohexanol, equivalent to the content of ethers, is introduced into it.

EFFECT: obtaining highly pure cyclohexanone.

1 dwg, 2 tbl, 1 ex

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RU 2 523 011 C2

Authors

Glazko Il'Ja Leonidovich

Martynenko Evgenija Andreevna

Levanova Svetlana Vasil'Evna

Sokolov Aleksandr Borisovich

Dates

2014-07-20—Published

2012-10-16—Filed