Abstract: The invention relates to an electrode for energy storage systems, the production method thereof, and an energy storage system comprising said electrode. More specifically, the invention relates to films of carbonaceous active material based on activated carbon with a determined porosity, purity and particle size distribution and a polymer binder, whereby the electrodes comprise one such coating film on a current collector and the supercapacitors comprise at least one of these electrodes. The invention also relates to the method of preparing the aforementioned films, electrodes and supercapacitors.
Abstract: The present invention relates to a bituminous composition comprising at least one bitumen and at least one polycondensate capable of forming a supramolecular assembly comprising one or more associative group(s). The present invention also relates to the use of such bituminous composition for the preparation of asphalt mixtures useful for the coating of rolling surfaces, for the preparation of water-proofing coatings, and the for the preparation of adhesive formulations.
Type:
Application
Filed:
August 3, 2010
Publication date:
February 10, 2011
Applicant:
CECA S.A.
Inventors:
Juan Antonio Gonzalez Leon, Jean-Philippe Gillet, Gilles Barreto, Manuel Hidalgo, Vincent Luca
Abstract: The present invention relates to bitumen additive mixtures, their use and application for the fabrication of asphalt mixtures used in pavement and waterproofing, and more specifically for construction, repair and maintenance of sidewalks, roads, highways, parking lots or airport runaways and service roads and any other rolling surfaces.
Type:
Application
Filed:
July 6, 2010
Publication date:
January 13, 2011
Applicant:
CECA S.A.
Inventors:
Juan Antonio Gonzalez Leon, Gilles Barreto, Vincent Luca, Eric Jorda
Abstract: The present invention relates to zeolitic compositions of at least one A, X, Y zeolite and/or chabazite and at least one clinoptilolite type of zeolite. These zeolitic compositions can be used in adsorption methods for removing H2O and/or CO2 and/or H2S present in gas or liquid mixtures, particularly for purifying natural gas, acid gases, alcohols and mercaptans.
Abstract: The present invention relates to spherical agglomerates based on zeolite(s) and clay(s), having controlled size and morphology, in particular a size of less than or equal to 600 ?m, very good sphericity, high content of zeolitic material, and their production process. These agglomerates are particularly suitable for uses in gaseous and/or liquid-phase adsorption processes.
Abstract: The invention relates to mixtures of bituminous products with granulates in the form of coated materials that can be used in the field of sealing, building and maintenance of road coatings, sidewalks and aviation strips, and to road coatings, sidewalks, cycling corridors, parking areas and aviation strips.
Abstract: The invention relates to anhydrous bituminous products containing one or several specific additives which make it possible to substantially reduce a temperature for producing aggregate and bituminous product mixtures in such a way that it ranges from 20 to 40° C., wherein the temperature of the aggregate and the bituminous product mixture during spreading ranges from 10 to 40° C. and the temperature in the core of the aggregate and bituminous product mixtures during compacting can be raised to 50° C. without degrading the standardized properties of the bituminous product and the bituminous product and aggregate mixture and ensuring the process continuity from transport to compacting according to the state of the art. The inventive aggregate and bituminous product mixtures are particularly suitable for tightening, building and servicing road surfaces, pavements and airfield runways.
Abstract: The invention concerns a method for decarbonating gas streams polluted by CO2, which consists in contacting them with an adsorbent consisting of an agglomerate of zeolite X with an Si/Al ratio of 1 to 1.15, highly sodium-exchanged comprising not more than 20% of inert binder, to eliminate at least the carbon dioxide.
Abstract: The present invention relates to novel bituminous products and also to novel aqueous emulsions of bituminous products, mixes thereof with aggregates in the form of bituminous mixes, that can be used in the field of sealing, construction and repair of road coverings, pavements and aircraft runways, road coverings, pavements, cycle paths, parking areas and aircraft runways.
Abstract: The invention relates to anhydrous bituminous products containing one or several specific additives which make it possible to substantially reduce a temperature for producing aggregate and bituminous product mixtures in such a way that it ranges from 20 to 40° C., wherein the temperature of the aggregate and the bituminous product mixture during spreading ranges from 10 to 40° C. and the temperature in the core of the aggregate and bituminous product mixtures during compacting can be raised to 50° C. without degrading the standardized properties of the bituminous product and the bituminous product and aggregate mixture and ensuring the process continuity from transport to compacting according to the state of the art. The inventive aggregate and bituminous product mixtures are particularly suitable for tightening, building and servicing road surfaces, pavements and airfield runways.
Abstract: The present invention relates to bitumen emulsions that can be used in roadmaking applications for the production of cold mixes, emulsion-stabilized gravel and road pavements obtained at ambient temperature, the cohesion of which at young age is substantially improved over the cold mixes, emulsion-stabilized gravel and road pavements of the prior art. These bituminous emulsions are characterized by a median diameter of 0.6 ?m or less, and preferably 0.5 ?m or less.
Type:
Grant
Filed:
October 18, 2005
Date of Patent:
March 31, 2009
Assignee:
CECA S.A.
Inventors:
Maurice Bourrel, Eric Jorda, Didier Lauranson, Francis Verzaro
Abstract: Bituminous roadbuilding material obtained by impregnating, coating or contacting an aggregate, a recycling material, a coated aggregate or a mixture of these products with a bituminous emulsion (E), characterized in that the bitumen particles of the bituminous emulsion (E) used for the impregnating, coating or contacting comprise a fraction (F) representing 10 to 40% of the bitumen particles and having a median diameter of less than or equal to 0.6 ?m, preferably of between 0.1 ?m and 0.6 ?m, the remainder of the bitumen particles of the emulsion having a median diameter of greater than or equal to 1 ?m, preferably of between 1 and 20 ?m. The material is advantageously composed of cold mixes or of emulsion-stabilized gravel.
Abstract: One subject of the invention is films of active carbon-based material based on activated carbon of set porosity, purity and particle size distribution and on a polymer binder, the electrodes comprising such a film coated on a current collector and the ultracapacitors comprising at least one of these electrodes. Another subject of the invention is the process for preparing these films, electrodes and ultracapacitors.
Abstract: The present invention concerns inorganic deposit inhibitors, and particularly of calcium carbonate and barium sulphate in oil wells. It also concerns certain copolymers particularly suitable for this application, particularly in high pressure/high temperature conditions (HP/HT).
Abstract: The present invention relates to agglomerated zeolitic adsorbents based on zeolite X with an Si/Al ratio such that 1.15<Si/Al?1.5, at least 90% of the exchangeable cationic sites of the zeolite X of which are occupied either by barium ions alone or by barium ions and potassium ions whose Dubinin volume is greater than or equal to 0.240 cm3/g. They are obtained by agglomerating zeolite powder with a binder, followed by the zeolitization of the binder, the exchange of the ions of the zeolite by barium ions (and potassium ions) and the activation of the adsorbents thus exchanged. These adsorbents are particularly suited to the adsorption of the para-xylene present in C8 aromatic hydrocarbon fractions in the liquid phase in processes of simulated moving bed type but also to the separation of sugars, polyhydric alcohols, cresols or substituted toluene isomers.
Type:
Grant
Filed:
February 16, 2000
Date of Patent:
April 26, 2005
Assignees:
CECA S.A., Institut Francais du Petrole
Abstract: Conducting a PSA process for the purification of gaseous hydrogen contaminated at least with CO and N2 of the H1 where the gas stream to be purified is passed through an adsorption region comprising at least one adsorbent based on zeolite 5A and one adsorbent based on zeolite X exchanged with calcium.
Abstract: The present invention relates to zeolites X, most of the exchangeable sites of which are occupied by lithium and di- and/or trivalent cations, having an improved thermal stability and an improved crystallinity with respect to zeolites of the prior art with the same degree of exchange of lithium and of di- and/or trivalent cations. The zeolites of the present invention are particularly effective as adsorbents of the nitrogen present in various gas mixtures and are well suited to the noncryogenic separation of the gases of the air.
Abstract: Copolymers of N-vinylpyrrolidone and alkyl acrylates and/or methacrylates containing 10 to 50 carbon atoms with particular chain distributions can be used as additives for inhibiting wax deposition and improving the pour properties of crude oils.
Compositions containing crude oil and said additives.
Type:
Grant
Filed:
December 19, 2002
Date of Patent:
June 15, 2004
Assignees:
Institut Francais du Petrole, Ceca, S.A.
Inventors:
Patrick Gateau, Annie Barbey, Jean François Brunelli
Abstract: The present invention relates to new mesoporous inorganic solids in the form of primary and/or secondary inorganic particles of D10≧1 &mgr;m and D50≧3 &mgr;m, preferably from D10≧2 &mgr;m and D50≧10 &mgr;m the size of which can go up to 10 mm, wherein the microporous volume (pores of size less than or equal to 2 &mgr;m) represents at most 10% of the total porous volume up to 300 nm.
Abstract: Detergent compositions which are non-foaming and stable in highly alkaline medium, comprising 25 to 45% by weight of non-foaming detergent agent, in particular a capped nonionic surfactant, for example an &agr;-alkyl-&ohgr;-halopoly(oxy-1,2-ethanediyl), or an &agr;-decyl-&ohgr;-benzyloxypoly(oxy-1,2-ethanediyl), 15 to 25% by weight of stabilizer, in particular a phosphoric ester of a fatty alcohol, and 30 to 60% by weight of an alkenylsuccinic acid or anhydride, in particular octenylsuccinic acid or anhydride. These compositions allow the preparation of alkaline washing products for cleaning hard surfaces, which are themselves non-foaming, even under pressurized cleaning conditions.