NDLI: Structure and gas permeability of nanoporous metal oxide coatings produced by the alkoxide method

Content Provider	Springer Nature Link
Author	Lukyava, N. I. Kirsankin, A. A. Tsodikov, M. V. Teplyakov, V. V.
Copyright Year	2013
Abstract	Peculiarities of the preparation of selective nanoporous metal oxide coatings on the surface of macroporous rutile support (pore size 0.1 μm and mixed aluminum and titanium oxides (pore size 0.05 μm) are presented. Gas selective coatings of empirical formula of P$_{ x }$Ti$_{1 − 0.5x }$O$_{2 ± δ}$ with uniform distribution of nanosized pores have been obtained with the alkoxide method using titanium alkoxide and ettriol phosphite (precursor of the phosphorous-containing component) at their various total concentrations. Surface morphology of the obtained membranes has been investigated and major parameters of gas selective coatings have been determined. It has been shown that the dependences of the He, N$_{2}$, CO$_{2}$, and C$_{3}$H$_{8}$ gas permeability on temperature and pressure drop are consistent with the molecular regime of gas flow. The reproducible effect of permeability anisotropy of ∼502?60% is observed when the integral vacuum method is used.
Starting Page	596
Ending Page	608
Page Count	13
File Format	PDF
ISSN	09655441
Journal	Petroleum Chemistry
Volume Number	53
Issue Number	8
e-ISSN	15556239
Language	English
Publisher	Springer US
Publisher Date	2014-01-04
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	nanoporous inorganic membranes membrane surface morphology gas separation membrane catalysis Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Geochemistry and Petrology Fuel Technology Chemical Engineering Energy Engineering and Power Technology

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