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

Investigation of the solvent sublation patterns of cationic dyes

Tetjana Obushenko, Nataliia Tolstopalova, Igor Astrelin, Olena Naumenko

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


Keywords


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

References


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GOST Style Citations


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