Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Experimental and modelling study of ionic selectivity in carbon coated alumina nanofiber membranes. / Ryzhkov, Ilya I.; Lebedev, Denis V.; Solodovnichenko, Vera S.; Shiverskiy, Alexey V.; Simunin, Michael M.; Parfenov, Vladimir A.
в: Chemical Engineering Transactions, Том 60, 01.01.2017, стр. 253-258.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
}
TY - JOUR
T1 - Experimental and modelling study of ionic selectivity in carbon coated alumina nanofiber membranes
AU - Ryzhkov, Ilya I.
AU - Lebedev, Denis V.
AU - Solodovnichenko, Vera S.
AU - Shiverskiy, Alexey V.
AU - Simunin, Michael M.
AU - Parfenov, Vladimir A.
PY - 2017/1/1
Y1 - 2017/1/1
N2 - A novel type of ion-selective membranes, which combine the advantages of ceramic nanofibrous media with good electrical conductivity, is proposed. The membranes are produced from Nafen alumina nanofibers (diameter around 10 nm) by filtration of nanofiber suspension through a porous support followed by drying and sintering. Electrical conductivity is achieved by depositing a thin carbon layer on the nanofibers by CVD. Raman spectroscopy and TEM are used to confirm the carbon structure formation. The average pore size determined by low temperature nitrogen adsorption experiments lies in the range 15-30 nm. Measurements of membrane potential show that the carbon coated membranes acquire high ionic selectivity (transference numbers 0.94 for anion and 0.06 for cation in aqueous KCl). The fixed membrane charge is determined by fitting the experimental data to Teorell-Meyer-Sievers and Space-charge models.
AB - A novel type of ion-selective membranes, which combine the advantages of ceramic nanofibrous media with good electrical conductivity, is proposed. The membranes are produced from Nafen alumina nanofibers (diameter around 10 nm) by filtration of nanofiber suspension through a porous support followed by drying and sintering. Electrical conductivity is achieved by depositing a thin carbon layer on the nanofibers by CVD. Raman spectroscopy and TEM are used to confirm the carbon structure formation. The average pore size determined by low temperature nitrogen adsorption experiments lies in the range 15-30 nm. Measurements of membrane potential show that the carbon coated membranes acquire high ionic selectivity (transference numbers 0.94 for anion and 0.06 for cation in aqueous KCl). The fixed membrane charge is determined by fitting the experimental data to Teorell-Meyer-Sievers and Space-charge models.
UR - http://www.scopus.com/inward/record.url?scp=85032901494&partnerID=8YFLogxK
U2 - 10.3303/CET1760043
DO - 10.3303/CET1760043
M3 - Article
AN - SCOPUS:85032901494
VL - 60
SP - 253
EP - 258
JO - Chemical Engineering Transactions
JF - Chemical Engineering Transactions
SN - 1974-9791
ER -
ID: 34921145