Abstract: The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a film comprising said fluoropolymer hybrid organic/inorganic composite and to uses of said film in various applications, in particular in electrochemical and in photo-electrochemical applications.
Type:
Application
Filed:
November 16, 2016
Publication date:
December 27, 2018
Applicant:
SOLVAY SA
Inventors:
Julio A. ABUSLEME, Matteo LAVASELLI, Christine HAMON, Alberto FRACHE, Giambattista BESANA, Giovanni CAMINO, Ségolène BRUSSEAU
Abstract: A process includes preparing a crude aqueous hydrogen peroxide solution by auto-oxidation of at least one alkylanthraquinone in a working solution that includes at least one organic solvent and the at least one alkylanthraquinone; and washing the crude aqueous hydrogen peroxide solution with a mixture of at least one organic solvent and an organophosphorous chelating agent to create a purified aqueous hydrogen peroxide solution having less than 100 ppb Cr; wherein the organic solvent used for the washing is not part of the working solution and is not recycled into it.
Type:
Application
Filed:
June 29, 2018
Publication date:
December 27, 2018
Applicant:
Solvay SA
Inventors:
Juan-Teva Carlier, Pierre Dournel, Henk Venbrux, Hooghe Lieven
Abstract: Electrolyte compositions containing a solvent, a co-solvent, certain cyclic carboxylic acid anhydride additives, certain phosphorus-containing additives, and an electrolyte salt are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries where they provide significantly improved cycle life with no loss of discharge capacity.
Abstract: A method for increasing the evaporation rate of an evaporative pond containing pond liquor comprising water and at least 1% by weight of sodium carbonate, said evaporative pond being in contact with an ambient air at an ambient air temperature of more than 0° C., the method comprising the following steps: feeding part of the pond liquor to a heat exchanger; heating the pond liquor in the heat exchanger with heat and producing a heated pond liquor; feeding the heated pond liquor into a spraying device at an operating temperature of at least 10° C. above the ambient air temperature; and spraying the heated pond liquor into an open area of the evaporative pond with the spraying device, so as to evaporate at least part of the water of the pond liquor when sprayed.
Abstract: The present invention concerns compositions comprising at least one metal nanowires, at least one ?-conjugated conductive polymer, at least one particular neutralization agent, and at least one solvent. The compositions according to the present in vention can be used for forming a transparent conductor particularly useful in touch panel and display applications.
Abstract: Fluorinated carbonyl compounds comprising a triple bond were prepared and their use as solvent additives or solvents in lithium ion batteries, lithium air batteries, lithium sulphur batteries and supercapacitors is described. Preferred compounds contain at least one nitrile or at least one alkynyl group.
Abstract: A lithium ion battery that has a 5 V stabilized manganese cathode and a nonaqueous electrolyte comprising a phosphate additive is described. The lithium ion battery operates with a high voltage cathode (i.e. up to about 5 V) and has improved cycling performance at high temperature.
Type:
Application
Filed:
June 22, 2018
Publication date:
October 18, 2018
Applicant:
Solvay SA
Inventors:
Charles J. Dubois, Viacheslav A. Petrov, Mark Gerrit Roelofs
Abstract: Process for manufacturing a purified aqueous hydrogen peroxide solution, in which a crude aqueous hydrogen peroxide solution is subjected to a washing operation with at least one organic solvent, and wherein an organophosphorus chelating agent is added to the organic solvent.
Type:
Grant
Filed:
October 2, 2014
Date of Patent:
October 16, 2018
Assignee:
Solvay SA
Inventors:
Juan-Teva Carlier, Pierre Dournel, Henk Venbrux, Hooghe Lieven
Abstract: A lithium ion battery that has a 5 V stabilized manganese cathode and a nonaqueous electrolyte comprising a phosphate additive is described. The lithium ion battery operates with a high voltage cathode (i.e. up to about 5 V) and has improved cycling performance at high temperature.
Type:
Grant
Filed:
March 8, 2013
Date of Patent:
September 11, 2018
Assignee:
Solvay SA
Inventors:
Charles J. Dubois, Viacheslav A. Petrov, Mark Gerrit Roelofs
Abstract: Process for the joint production of sodium carbonate and sodium bicarbonate crystals, according to which: a solid powder derived from sodium sesquicarbonate, having a mean particle diameter comprised between 0.1 and 10 mm is dissolved in water; the resulting water solution is introduced into a crystallizer, wherein a first water suspension comprising sodium carbonate crystals is produced; the first water suspension is subjected to a separation, in order to produce crystals comprising sodium carbonate on the one hand, which are valorized, and a mother liquor on the other hand; and a part of the mother liquor is taken out of the crystallizer and put into contact in, a gas liquid contactor, with a gas comprising carbon dioxide, in order to produce a second water suspension comprising sodium bicarbonate crystals, which are separated and valorized. A reagent powder comprising sodium bicarbonate crystals made by such process.
Type:
Grant
Filed:
May 12, 2009
Date of Patent:
September 4, 2018
Assignee:
Solvay SA
Inventors:
Perrine Davoine, Francis M. Coustry, Jean-Paul Detournay, Kurt Allen
Abstract: Process for manufacturing a polymer by polycondensation of a hydroxy acid, said polymer comprising at least 80% by weight of units that correspond to the hydroxy acid, according to which at least one polyfunctional reactant capable of giving rise to the formation of a three-dimensional polymer network is mixed with the hydroxy acid, and according to which the mixture is subjected to temperature and pressure conditions and for a duration which are all suitable for giving rise to the formation of the network. Poly(hydroxy acid) (PHA) obtainable by such a process.
Abstract: Salts of N-containing heterocyclic anions as components in electrolytes Novel uses of salts of N-containing heterocyclic anions, novel salts of fluorinated N-containing heterocyclic anions and method for producing the same are described. Preferred compounds have a pyrimidone or a pyrazole ring structure bearing a trifluoromethyl group and a metal counter ion.
Abstract: The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a process for manufacturing said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof and to uses of said fluoropolymer hybrid organic/inorganic composite and films and membranes thereof in various applications.
Type:
Grant
Filed:
May 6, 2015
Date of Patent:
July 24, 2018
Assignees:
SOLVAY SA, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Inventors:
Jean-Baptiste Ducros, Aurelie Lavie-Cambot, Lionel Picard, Olivier Pras, Helene Rouault, Christine Hamon, Julio A. Abusleme
Abstract: A treatment method for stabilizing a sodic fly ash to reduce their leachability which is provided by a combustion process when a sodium-based sorbent comes in contact with a flue gas generated by combustion to remove at least a portion of pollutants contained in the flue gas. The treatment method comprises contacting the sodic fly ash with at least one additive comprising calcium. The material obtained from the contacting step is preferably dried. The material may be selected from the group consisting of lime kiln, dust, fine limestone, quicklime, hydrated lime, dolomitic lime, dolomite, selectively calcined dolomite, hydrated dolomite, and any mixture of two or more thereof. A particularly preferred additive comprises lime kiln dust.
Abstract: The present invention concerns a process for the obtention of a halogenated carboxylic halide having a reduced content of impurities, a fraction of the halogenated carboxylic halide having a reduced content of impurities, and its use in the manufacture of agriculturally and pharmaceutically active compounds.
Abstract: Electrolyte compositions containing a solvent mixture comprising 2,2,-difluoroethyl acetate and ethylene carbonate are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.
Type:
Grant
Filed:
August 31, 2012
Date of Patent:
May 22, 2018
Assignee:
Solvay SA
Inventors:
William L Holstein, Xudong Chen, Jun J Liu, Mark Gerrit Roelofs
Abstract: Bipolar electrode (100) for use in an electrolysis unit, said bipolar electrode (100) comprising a planar main body having a first side and a second side, each of said first side and said second side being provided with a corresponding pattern of protrusions (125), wherein each of said protrusions has a geometrical base within the plane of said planar main body and a substantially planar top side (129), the orthogonal projection of said top side onto said main body being contained in said geometrical base, and wherein the top sides (129) of the respective protrusions (129) of said first side and said second side lie in two planes parallel to said planar main body, the electrode being further characterized by specific shape and orientation requirements. Method for producing the bipolar electrode as above described, which includes an embossing step.
Type:
Grant
Filed:
June 20, 2013
Date of Patent:
May 15, 2018
Assignee:
SOLVAY SA
Inventors:
Hugo Jan Baptist Vandenborre, Eric Dubois, Nicola Zandona
Abstract: A method for manufacturing a parasiticidal composition comprising at least 40% of alkali metal bicarbonate and at least 1% of silica, wherein: at least 35% of the alkali metal bicarbonate of the composition is milled in the presence of silica in order to form a mixture of particles, and if necessary, the remainder of the alkali metal bicarbonate is added to the mixture of particles to form the parasiticidal composition, and wherein said parasiticidal composition has a particle size distribution such that at least 50% by weight of the particles have a diameter of less than 100 ?m. A parasiticidal composition obtained by the present method and the use of the parasiticidal composition obtained by the present method in the form of a powder, a suspension or a gel.
Abstract: A method for the production of a solution of peracetic acid (PAA) containing at most 23 wt % PAA according to which acetic anhydride optionally containing acetic acid (AA) is added in a controlled manner to a diluted solution of hydrogen peroxide, wherein the diluted solution of hydrogen peroxide (H2O2) has a concentration and is used in an amount such that it if the amount of water required to hydrate all of the added acetic anhydride is subtracted therefrom, it still contains in weight, at least 50% (preferably 54%) of water based on the total amount of water and hydrogen peroxide.
Type:
Grant
Filed:
March 10, 2017
Date of Patent:
March 6, 2018
Assignee:
Solvay SA
Inventors:
Philippe Coel, Pierre Dournel, Pierre Miquel