Purification of aqeous media by magnetically operated saponite sorbents

Authors

  • Наталія Олександрівна Михайленко National Technical University of Ukraine “Kyiv Polytechnic Institute” 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0003-1713-7962
  • Оксана Володимирівна Макарчук National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-9264-2443
  • Тетяна Анатоліївна Донцова National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0003-4275-9923
  • Світлана Василівна Горобець National Technical University of Ukraine “Kyiv Polytechnic Institute” 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-5328-2959
  • Ігор Михайлович Астрелін National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-8775-2744

DOI:

https://doi.org/10.15587/1729-4061.2015.46573

Keywords:

сапоніт, магнітокерований сорбент, адсорбція, барвники, магнітна сепарація

Abstract

Composite magnetically operated sorbents based on saponite and magnetite (containing from 3 to 10 % wt.) were synthesized, and their phase and chemical composition was revealed. Their adsorption properties with respect to the dyes were investigated and it is shown that magnetically operated sorbents have a high sorption capacity (maximum sorption capacity qt by malachite green reaches 324,50 mg/g), which is significantly higher than in their separate phases - native saponite (105.71 mg/g) and magnetite (36.71 mg/g). The calculated parameters of the equation of the Langmuir adsorption isotherm indicate that sorbent shows greater selectivity with respect to the cationic type dyes. It was found that sorption of dyes on magnetically operated sorbents proceeded at a higher rate compared to saponin. When removing spent sorbents from water by magnetic separation, it was revealed that effective removal of magnetically operated sorbents from the working medium is possible with nozzles in the form of nickel-plated steel grids. It is shown that using magnetically operated sorbents and high-gradient magnetic separators allows to purify working media from dyes with high efficiency, up to 90-96%, therefore, using magnetic separators with high-gradient magnetic nozzles in the form of nickel-plated grids with desired technological parameters of magnetic separation process that take into account the magnetic properties of a particular sorbent type is recommended.

Author Biographies

Наталія Олександрівна Михайленко, National Technical University of Ukraine “Kyiv Polytechnic Institute” 37 Peremohy ave., Kyiv, Ukraine, 03056

Engineer

Department of bioinformatics

Оксана Володимирівна Макарчук, National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056

Department of Inorganic Materials Technology and General Chemical Technology

Тетяна Анатоліївна Донцова, National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Inorganic Materials Technology and General Chemical Technology

Світлана Василівна Горобець, National Technical University of Ukraine “Kyiv Polytechnic Institute” 37 Peremohy ave., Kyiv, Ukraine, 03056

Professor, Doctor of technical sciences, head of the department

The department of bioinformatics

Ігор Михайлович Астрелін, National Technical University of Ukraine "Kyiv Polytechnic Institute" 37 Peremohy ave., Kyiv, Ukraine, 03056

Doctor of Technical Sciences, Professor

Department of Inorganic Materials Technology and General Chemical Technology

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Published

2015-08-19

How to Cite

Михайленко, Н. О., Макарчук, О. В., Донцова, Т. А., Горобець, С. В., & Астрелін, І. М. (2015). Purification of aqeous media by magnetically operated saponite sorbents. Eastern-European Journal of Enterprise Technologies, 4(10(76), 13–20. https://doi.org/10.15587/1729-4061.2015.46573

Issue

Vol. 4 No. 10(76) (2015): Ecology. Technology and Equipment of Food Production

Section

Ecology

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Copyright (c) 2015 Наталія Олександрівна Михайленко, Оксана Володимирівна Макарчук, Тетяна Анатоліївна Донцова, Світлана Василівна Горобець, Ігор Михайлович Астрелін

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