Elf Aquitaine

Jacques Prosdocimi

Bernard Spinner

Charles Timoney

Vincent Goetz

Benoit Lambotte

Method of managing a solid/gas adsorption or thermochemical reaction, the site of which is a device comprising a reactor, which contains a solid capable of reacting with a gas, an evaporator/condenser assembly for the gas and means intended to reheat the solid, the method comprising the steps which consist in:

Method of managing a solid/gas adsorption or thermochemical reaction

The invention relates to a method for producing an active composite consisting of a compressed support and an active agent. The compressed support comprises a porous support which is chemically inert and is a good thermal conductor, so as to allow complete and rapid interactions between the active agent, dispersed in the support, and a gas flow.

Method of producing an active composite

Process for producing an active composite consisting of a support and an active agent is disclosed. The process comprises mixing expanded graphite and an exfoliated lamellar compound, compressing the mixture to form a support which has a graphite density between 0.02 and 0.5 kg/dm.sup.3, and impregnating the support with the active agent. Such active composites are employed as reactants in thermochemical systems.

Process for producing an active composite and active composite produced

Reactant for thermochemical systems, including a support which is, for example, recompressed expanded graphite or vermiculite, and an active agent, for example a salt. According to the invention, the support is in the form of granules of graphite having a density of between 0.20 and 0.5 g/cm.sup.3 and whose diameter lies between 0.2 cm and 2.5 cm.

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Canohes, France

Jacques Prosdocimi