Aerogels Based on Calcium Alginate and Silicon Dioxide and Modified with Carbon Nanotubes for Selective Sorption of Argon from a Mixture with Oxygen

E. N. Ivanova; N. N. Burmistrova; M. B. Alekhina; P. Yu. Tsygankov; S. I. Ivanov

doi:10.1134/S1070427217100214

Aerogels Based on Calcium Alginate and Silicon Dioxide and Modified with Carbon Nanotubes for Selective Sorption of Argon from a Mixture with Oxygen

Authors: Ivanova E.N.¹, Burmistrova N.N.¹, Alekhina M.B.¹, Tsygankov P.Y.¹, Ivanov S.I.¹
Affiliations:
1. Mendeleev University of Chemical Technology of Russia
Issue: Vol 90, No 10 (2017)
Pages: 1700-1705
Section: Specific Technological Processes
URL: https://journals.rcsi.science/1070-4272/article/view/215337
DOI: https://doi.org/10.1134/S1070427217100214
ID: 215337

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Abstract

Two kinds of aerogels, those based on silicon dioxide and on calcium aginate, modified with multiwalled carbon nanotubes, were synthesized by the sol–gel method. The aerogels were tested as adsorbents for separating the argon–oxygen gas mixture. The adsorbent based on calcium alginate with 30 wt % content of multiwalled carbon nanotubes exhibits increased selectivity to argon in its adsorption from a mixture with oxygen.