Compagnie De Raffinage Et De Distribution Total France

Total Raffinage Distribution S.a.

Marc Durrieu

Claude Marty

Patrice Herrenschmidt

The invention relates to a water-soluble demulsifying and antifouling agent capable of separating possibly emulsified water/hydrocarbon mixtures, and particularly water/crude petroleum mixtures containing suspended matter. Said agent comprises from 10 to 60 percent by weight of a combination of the following compounds:

Demulsifying and antifouling agent suitable for separating possibly

The invention relates to an apparatus which comprises a plurality of tubes made of a first material, which tubes are mounted inside a cylindrical body or shell made of a second material, which second material undergoes differential thermal expansion in relation to the first material of the tubes. The tubes are rigidly secured by their ends to two end members, at least one of which is a floating member due to the fact that it is connected to the shell by means of a flexible ring gasket. The flexible ring-type gasket has inner and outer edges which are clamped to the floating member and to the shell, respectively. The inventive apparatus is useful, for example, in the ultra filtration separation of fine catalyst particles which are in suspension in a hydrocarbon feedstock which feedstock comes from a catalytic cracking unit.

Apparatus comprising a tube bundle mounted in a shell and undergoing

The invention relates to an apparatus for promoting the separation and/or contact of two immiscible liquids, said apparatus comprising at least one pipe for feeding an emulsion of the two liquids to an assembly of tubes in each of which there is disposed, in the direction of its length and over at least a portion thereof, a bundle of fibers which are preferentially wettable by one of the two liquids, said assembly being connected to a decanter in which the two liquids separate, the decanter being provided with pipes for the discharge of each of the two liquids. The tubes are bounded by two walls, separated by a substantially constant distance, and by a corrugated element inserted between said walls and alternately in contact with each of them through its corrugations.

Growing community of inventors

Sainte Adresse, France

Marc Durrieu