Obtaining sorbents of metal ions based on yeast cells Rhodotorula glutinis

  • Zh. Tattibayeva Аl-Farabi Kazakh National University
  • K. Musabekov Аl-Farabi Kazakh National University
  • Zh. Mustapaeva Аl-Farabi Kazakh National University
  • G. Kayirmanova Аl-Farabi Kazakh National University
Keywords: yeast cells of Rhodotorula glutinis, diatomite, adsorption, immobilization

Abstract

Ability to separate Cu2+ and Pb2+ ions from solution using yeast cells Rhodotorulа glutinis were considered. The degree of water purification in this case is of 60-70%. To increase the degree of binding of metal ions with cells and facilitate separation processes of water sorbents their immobilization on the surface of the water in the presence of polyethyleneimine was carried out. It is shown that under optimal conditions on the surface of 1 g diatomite 18 ∙ 106 cells is adsorbed. The high sorption capacity of diatomite justified its porosity. IR spectroscopic study of the interaction of the ions Cu2+ and Pb2+ with cell surface showed that high affinity Pb2 + ions to the surface of yeast cells is connected with form of slightly soluble compounds with the phosphate ions.

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Published
2013-05-14
How to Cite
Tattibayeva, Z., Musabekov, K., Mustapaeva, Z., & Kayirmanova, G. (2013). Obtaining sorbents of metal ions based on yeast cells Rhodotorula glutinis. Chemical Bulletin of Kazakh National University, (1), 135-140. https://doi.org/https://doi.org/10.15328/chemb_2013_1135-140
Section
Colloid and Nano Chemistry