Commissariat a L'energie Atomique

Centre Nationale De La Recherche Scientifique

Ecoprocess

Charles Eyraud

Pierre Bergez

Colette Bardot

Janine Lenoir

Michel Chevalier

Maurice Brun

Gerard Duperray

Gerard Lecayon

Jean-Francois Quinson

Lahcen Ilahiane

Paul Barberi

Method and device for purifying gaseous effluents

An ultrafiltration, hyperfiltration or demineralization element comprises a porous inorganic material support and an asymmetrical, cellular, microporous organic polymer membrane, produced on one of the faces of the porous support and fitted into the pores of the porous support flush with said surface and without projecting beyond the same. The element is prepared by coating the inner surface of a tubular porous support with a coating solution of the organic polymer and then subjecting the coated support to a polymer insolubilization stage, which can be carried out by partial evaporation, followed by the immersion of the coated support in a coagulating bath.

Ultrafiltration, hyperfiltration or demineralization element, its

An apparatus for the thermal measurement of the texture of a porous body, including a measuring head, a measuring assembly and a processing and control circuit. The measuring head is provided with two identical cylindrical cells, a measuring cell and a reference cell, arranged in a furnace. The measuring assembly measures the mean temperature of the measuring cell, and measures a calorific effect in the measuring cell, and includes a calorific effect detector, a calibration circuit, a temperature regulator including a furnace heater. The measuring circuit supplies a temperature signal and a calorific effect signal to the processing and control circuit, which in turn controls the heater.

Apparatus for the thermal measurement of the texture of a porous body

The energy converter utilizes the products of radiolysis of an aqueous solution of an oxidation-reduction pair and comprises a leak-tight jacket initially filled with a pure gas which is identical with the gas evolved as a result of radiolysis. A porous electrode impregnated with the aqueous solution of the oxidation-reduction pair and specific to the reaction of this latter is placed within the jacket. The converter also comprises a gas electrode which is specific to the gas evolved as a result of radiolysis, a porous diaphragm for effecting the ionic junction between the two electrodes by gas/liquid surface conductivity and means for connecting the electrodes to an external circuit.

Radioelectrochemical energy converter

Growing community of inventors

Lyons, France

Charles Eyraud