Получение сорбентов  ионов металлов  на основе дрожжевых клеток  Rhodotorula glutinis

Zh. Tattibayeva; K. Musabekov; Zh. Mustapaeva; G. Kayirmanova

doi:10.15328/chemb_2013_1135-140

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

DOI: https://doi.org/10.15328/chemb_2013_1135-140

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 Pb^{2 +}ions to the surface of yeast cells is connected with form of slightly soluble compounds with the phosphate ions.

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Obtaining sorbents of metal ions based on yeast cells Rhodotorula glutinis

Abstract

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