Investigation of the solvent sublation patterns of cationic dyes

Authors

DOI:

https://doi.org/10.15587/2313-8416.2018.151923

Keywords:

dyes, solvent sublation, sodium dodecyl sulfate, malachite green, methyl violet, crystalline violet

Abstract

The basic regularities of removal of cationic dyes are established. The optimal collectors and absorbents are selected. The effect on the sublation process of the following parameters is studied: the type of absorbent, sublation duration, dyer:surfactant molar ratio, pH value of the aqueous phase, initial concentration of solutions of dyes. The highest degree of removal methyl violet, malachite green and crystalline violet is achieved with sodium dodecyl sulfate 97,43 %, 95,78 % and 98,94 % respectively, the optimal pH value is 5-7, dyer:surfactant ratio is 1:1, the duration of the process is 20 minutes, the volume of the organic layer is 10 cm3

Author Biographies

Tetjana Obushenko, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy ave., 37, Kyiv, Ukraine, 03056

Senior Lecturer

Department of Inorganic Substances, Water Purification and General Chemical Technology

Nataliia Tolstopalova, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Inorganic Substances, Water Purification and General Chemical Technology

Igor Astrelin, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy ave., 37, Kyiv, Ukraine, 03056

Doctor of Technical Sciences, Professor, Dean

Department of Inorganic Substances, Water Purification and General Chemical Technology

Olena Naumenko, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Peremohy ave., 37, Kyiv, Ukraine, 03056

Department of Inorganic Substances, Water Purification and General Chemical Technology

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Published

2018-11-27

Issue

Section

Chemistry