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2 574 760

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(51)

IPC

C09F3/00(2006-01-01)

(21) (22)

Application

2014153188/05, 2014-12-25

(24)

Start date

2014-12-25

(22)

Actual filing date

2014-12-25

(45)

Published

2016-02-10

(72)

Inventor

Loginova Irina ValerianovnaRubtsova Svetlana Al'BertovnaKuchin Aleksandr Vasil'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Khimii Komi Nauchnogo Tsentra Ural'Skogo Otdelenija Rossijskoj Akademii Nauk

METHOD FOR SULPHATE TURPENTINE PURIFICATION Russian patent published in 2016 - IPC C09F3/00

Abstract RU 2574760 C1

FIELD: chemistry.

SUBSTANCE: method for purification of sulphate raw turpentine includes oxidation of sulphurous compounds with chlorine dioxide water solution at temperature 20°C and molar ratio of chlorine dioxide to content of the total sulphur in turpentine, equal 1:1, respectively, separation of organic layer from the water one, and washing. Sulphate raw turpentine contains 0.3-1.3 wt % of the total sulphur.

EFFECT: reduction of sulphur content and increase of purified turpentine output.

3 ex

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RU 2 574 760 C1

Authors

Loginova Irina Valerianovna

Rubtsova Svetlana Al'Bertovna

Kuchin Aleksandr Vasil'Evich

Dates

2016-02-10—Published

2014-12-25—Filed