Abstract: The invention relates to the electrochemical synthesis of oxymethylene dimethyl ethers via paired electrolysis.

Abstract: The invention is directed to a carbon capture and liquefication system comprising a liquified natural gas (LNG) exergy recovery section. The invention is more specifically directed to such a system to liquify carbon dioxide (CO2) gas from a CO2 containing gas, more particularly from an exhaust gas from a means of maritime transportation. The invention is further directed to a method for recovery of exergy using the exergy recovery section, a means of maritime transportation comprising the system, and the use of such a system for liquefaction of carbon dioxide gas.

Abstract: A glass-based assembly includes a glass or glass-ceramic substrate comprising a surface. The surface has flaws, such as a population of small cracks extending into the surface, whereby the substrate is weakened relative to ideal strength thereof. The assembly further includes a coating coupled to the substrate and overlaying at least some of the flaws. Ultimate strength of the substrate with the coating coupled thereto is greater than that of the substrate alone, without the coating.

Abstract: The invention is directed to a redox flow battery that exhibits a tunable power output and/or tunable storage capacity, said redox flow battery comprising an anodic compartment and a cathodic compartment that respectively comprise an anolyte fluid and a catholyte fluid of which at least one comprises a dispersion of particles of a redox-active component, wherein said redox flow battery further comprises a tunable agitation device that is configured to controllably gradually agitate at least part of said dispersion. Further, the invention is directed to a method of operating the redox flow battery, for example by changing the agitation frequency of said tunable agitation device and/or by changing the displacement volume of the agitating device.

Abstract: The invention relates to a method for electrochemical production of a product in an electrochemical cell comprising an extraction compartment. The extraction compartment comprises a liquid comprising a dissolved polyelectrolyte. The method comprises producing cations at an anode, producing anions at a cathode and transporting the ions through ion-selective membranes into the extraction compartment where the product is formed. The invention further relates to an electrochemical cell for use in the method.

Abstract: The present invention relates to a method for molten metal pyrolysis of hydrocarbons to produce hydrogen gas and carbon. Liquid salt is used to separate produced carbon from the molten metal and to facilitate isolation of produced carbon.

Abstract: In accordance with the present invention there is provided a method for deoxygenation of a first liquid, which method comprises contacting said first liquid with a membrane, which membrane is on its filtrate side in contact with a second liquid comprising an oxygen scavenger. There is provided a second method for deoxygenation of a first liquid which method comprises contacting said first liquid with a membrane, which membrane is on its filtrate side in contact with an oxygen-lean sweep gas. The invention is also directed to an apparatus for carrying out these methods. The present invention provides a very efficient means to deoxygenate liquids of all sorts, such as CO2 scrubbing solutions and beverages.

Abstract: The invention is directed to a process for the preparation of maleic acid or a derivative thereof. Said process comprising an electrochemical oxidation of a furoic acid compound into maleic acid in an electrolyte solution; and optionally further comprising a step of reacting the maleic acid to the derivative thereof. In an alternative embodiment, said process comprising a first step comprising an electrochemical oxidation in an electrolyte solution of a furanic compound into one or more intermediates; followed by a second step comprising a chemo-catalytic oxidation of said intermediates to provide maleic acid or a derivative thereof.

Abstract: The invention is in the field of CO2 capture. In particular the invention relates to a method for capturing CO2 from a CO2-containing feed gas stream, wherein the method comprises at least partially removing dissolved transition metal ions by electrodeposition. The invention further relates to a system for the method.

Abstract: In accordance with the present invention there is provided a method for deoxygenation of a first liquid, which method comprises contacting said first liquid with a membrane, which membrane is on its filtrate side in contact with a second liquid comprising an oxygen scavenger. There is provided a second method for deoxygenation of a first liquid which method comprises contacting said first liquid with a membrane, which membrane is on its filtrate side in contact with an oxygen-lean sweep gas. The invention is also directed to an apparatus for carrying out these methods. The present invention provides a very efficient means to deoxygenate liquids of all sorts, such as CO2 scrubbing solutions and beverages.

Abstract: The disclosure is directed to a method for in-situ extracting a reduced carbon dioxide product or product mixture in an electrochemical cell, and the use of a three-compartment electrochemical cell for in-situ extraction of organic carboxylic acids such as formic acid, acetic acid, oxalic acid, glycolic acid, tartaric acid, malonic acid, propionic acid, glyoxylic acid, and/or salts thereof.

Abstract: The invention relates to a heat integrated electrochemical process for converting a gas, such as carbon dioxide, using, for example, an electrochemical reactor. The process comprises a) feeding a gas-containing absorbent into an electrochemical cell; b) releasing a gas from the gas-containing absorbent by using thermal energy, wherein at least part of the thermal energy originates from Joule heat generated by the electrochemical cell, and c) converting the released gas to form a product.

Abstract: The invention is directed to a process for the preparation of formaldehyde, the process comprising electrochemically reducing CO to form formaldehyde. The process is carried out in a supporting electrolyte that comprises less than 50% water and a non-aqueous solvent such as an alcohol.

Abstract: The invention is directed to a process for preparing maleic acid or a derivative thereof, the process comprising a step b) of oxidizing 5-hydroxy-2(5H)-furanone and/or cis-?-formylacrylic acid to maleic acid or a derivative thereof by contacting the 5-hydroxy-2(5H)-furanone and/or cis-?-formylacrylic acid with molecular oxygen (O2) in the presence of a catalyst. In a particular embodiment, the step b) is preceded by a step a) of oxidizing a furanic compound according to formula I into the 5-hydroxy-2(5H)-furanone and/or cis-?-formylacrylic acid, wherein R1 is H, CH2OH, CO2H or CHO and R2 is H, OH, C1-C6 alkyl or O(C1-C6 alkyl), or esters, ethers, amides, acid halides, anhydrides, carboximidates, nitriles, and salts of formula I.

Abstract: The present invention is directed to a membrane reactor for the hydrogenation of carbon dioxide, said membrane reactor comprising a reaction compartment (2) comprising a catalyst bed, a permeate compartment (4) and a membrane separating the reaction compartment and the permeate compartment, wherein said permeate compartment comprises a condensing surface.

Abstract: The invention is directed to a method of preparing NH3, and to a method of regenerating a metal M from MOR1, wherein O is oxygen and R1 is —CH3 and/or —C2H5. The method for preparing NH3 comprises the steps of a) reacting a metal with nitrogen gas to produce a metal nitride, wherein the metal is selected from the group consisting of Li, Be, Mg, Na, Mo, Al, Zn, Ca, Sr, and Ba, b) reacting the metal nitride obtained in step a) with R1OH to produce NH3 and MOR1, wherein R1 represents —CH3 and/or —C2H5, and c) regenerating the metal by electrolysing said MOR1 under formation of HCHO and/or CH3CHO. The method of regenerating a metal M from MOR1, comprises electrolysing of MOR1 under formation of HCHO and/or CH3CHO, wherein R1 represents —CH3 and/or —C2H5.

Abstract: The invention is directed to a process for electrochemically converting a reactant gas, to an electrolyser, to a gas diffusion electrode, to a method for producing a gas diffusion electrode, to a gas diffusion layer, and to the use of said gas diffusion layer and/or gas diffusion electrode. The process comprises reacting a reactant gas at a gas diffusion electrode to form a product gas and/or a liquid product, wherein the gas diffusion electrode comprises a gas diffusion layer comprising a non-porous layer that is permeable to carbon monoxide and/or carbon dioxide gas, and a porous layer, and the reactant gas comprises carbon monoxide and/or carbon dioxide.

Abstract: The invention is directed to a method and a system for regenerating an endothermic salt composition from an aqueous solution thereof, said method comprising a) contacting a switchable-polarity compound with the aqueous solution of the endothermic salt composition to obtain a raffinate phase and an extract phase, wherein the raffinate phase comprises said endothermic salt composition in a higher concentration than said aqueous solution and said extract phase comprises the switchable-polarity compound and water; and b) separating the raffinate phase and the extract phase into a separated raffinate and a separated extract. The endothermic salt can be used in systems for cooling food, milk, medicines and/or air.

Abstract: The present invention relates to a method for molten metal pyrolysis of a feed comprising hydrocarbons and nitrogen and/or hydrogen sulphide to produce solid carbon and one or more of liquid sulfur, hydrogen gas and ammonia gas. The molten salt layer contains two reaction zones of different temperatures, a high temperature zone for pyrolysing the hydrocarbon and a low temperature zone for pyrolysing the hydrogen sulphide and/or forming the ammonia. Liquid salt is used to separate produced solid carbon and optionally the produced liquid sulphur from the molten metal and to facilitate isolation of produced carbon. The invention further relates to a reactor for performing the method according to the invention.

Abstract: The invention relates to a method for electrochemical production of a product in an electrochemical cell comprising an extraction compartment. The extraction compartment comprises a liquid comprising a dissolved polyelectrolyte. The method comprises producing cations at an anode, producing anions at a cathode and transporting the ions through ion- selective membranes into the extraction compartment where the product is formed. The invention further relates to an electrochemical cell for use in the method.