The Study of the Content of Carboxylic Acids in the Resin of Uzgen Coal

Osekova, G.; Tashpolotov, Y.; Ysmanov, E.

doi:10.33619/2414-2948/49/28

BSP

2019

DOI: 10.33619/2414-2948/49/28

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The Study of the Content of Carboxylic Acids in the Resin of Uzgen Coal

G. Osekova

Y. Tashpolotov

E. Ysmanov³

Abstract: Methods for producing carboxylic acids from Uzgen coal resin are presented. Uzgen coal resin has high water content. The resin also contains mechanical impurities, for the separation of which sulfur ether was used. The proposed method allows you to effectively isolate carboxylic acids.

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2021

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Research and Obtaining Compounds of Carbonic Acids From Resins of Uzgen Coals

Osekova

Tashpolotov

2021

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In the article, sodium acetate was studied and obtained from carboxylic acids from coal tar of brown coal by the method of neutralization and drying and crystallization were made. Investigated and obtained ethyl acetate from carboxylic acids from the resin of Uzgen brown coal, by the esterification method and by the low-temperature distillation method. Excess carboxylic acids and azeotropic substances were checked, repeated purification was done, and pure ethyl acetate was obtained at a temperature of 77–78 °C.

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Research and Obtaining Compounds of Carbonic Acids From Resins of Uzgen Coals

Osekova

Tashpolotov

2021

BSP

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The Study of the Content of Carboxylic Acids in the Resin of Uzgen Coal

Abstract: Methods for producing carboxylic acids from Uzgen coal resin are presented. Uzgen coal resin has high water content. The resin also contains mechanical impurities, for the separation of which sulfur ether was used. The proposed method allows you to effectively isolate carboxylic acids.

Cited by 1 publication

References 0 publications

Research and Obtaining Compounds of Carbonic Acids From Resins of Uzgen Coals

Research and Obtaining Compounds of Carbonic Acids From Resins of Uzgen Coals

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