METHOD FOR CONCENTRATING HYDROQUINONE FROM AQUEOUS SOLUTIONS Russian patent published in 2019 - IPC C02F1/28 C07C37/82 B01D15/00 C07C39/08 

Abstract RU 2682965 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method for the concentration of hydroquinone from aqueous solutions, which can be used in the analytical control of treated wastewater entering biological treatment. Method includes the concentration of hydroquinone with polymer powder material, acidic fine powder in the amount of 0.75–1.0 wt. % by weight of the initial solution is used as polymer powder material, obtained from cellulose by treatment with sulfuric acid.

EFFECT: proposed method allows to increase the concentration ratio of hydroquinone.

1 cl, 1 tbl, 3 ex

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RU 2 682 965 C2

Authors

Kharitonova Lyudmila Alekseevna

Mokshina Nadezhda Yakovlevna

Pugacheva Inna Nikolaevna

Dates

2019-03-25Published

2016-09-20Filed