METHOD OF MODIFYING POROUS STRUCTURE OF INORGANIC MEMBRANES WITH PYROCARBON Russian patent published in 2002 - IPC

Abstract RU 2179064 C2

FIELD: inorganic membranes. SUBSTANCE: hydrocarbon stock (C1-C18-hydrocarbons, benzene and its homologues) is fed into reaction zone and pyrolyzed at 700-1100 C. Resulting carbon is fixed on membrane thereby modifying its porous structure. Modification of porous structure of anisotropic membranes on metal support is carried out by predeformation and slow heating limiting temperature rise rate by 6,2 C/min. EFFECT: enabled formation of separating membranes with specified pore size and therefore required selectivity and permeability. 3 cl, 2 tbl, 3 ex

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RU 2 179 064 C2

Authors

Soldatov A.P.

Shkol'Nikov E.I.

Rogajlin M.I.

Rodionova I.A.

Parenago O.P.

Volkov V.V.

Dates

2002-02-10—Published

1999-10-28—Filed