Electrochemical Detection of Barrier Layer Removal for Preparation of Anodic Alumina Membranes with High Permeance and Mechanical Stability

E. S. Pyatkov; M. V. Berekchiyan; A. A. Yeliseyev; A. V. Lukashin; D. I. Petukhov; K. A. Solntsev

doi:10.1134/S2075113318010227

Electrochemical Detection of Barrier Layer Removal for Preparation of Anodic Alumina Membranes with High Permeance and Mechanical Stability

Autores: Pyatkov E.S.¹^,2, Berekchiyan M.V.³, Yeliseyev A.A.³, Lukashin A.V.³, Petukhov D.I.³, Solntsev K.A.²^,3
Afiliações:
1. Rosneft PJSC
2. Baikov Institute of Metallurgy and Materials Science
3. Moscow State University
Edição: Volume 9, Nº 1 (2018)
Páginas: 82-87
Seção: Article
URL: https://bakhtiniada.ru/2075-1133/article/view/207137
DOI: https://doi.org/10.1134/S2075113318010227
ID: 207137

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A procedure for the controlled barrier layer removal is suggested in this work which provides the preparation of anodic alumina membrane with specified pore diameter and permeance. Optimal conditions for barrier layer removal which give membranes with high gas permeance of 400 m³/(m² atm h) by nitrogen and breaking strength of up to 440 ± 40 MPa, which is allowable for their operation in baromembrane processes, are developed.