A method for the generation of a gas mixture comprising carbon monoxide, carbon dioxide and optionally hydrogen for use in hydroformylation plants or in carbonylation plants, including mixing an optional steam with carbon dioxide in the desired molar ratio, feeding the resulting gas to a solid oxide electrolysis cell (SOEC) or an SOEC stack at a sufficient temperature for the cell or cell stack to operate while effecting a partial conversion of carbon dioxide to carbon monoxide and optionally of steam to hydrogen, removing some or all the remaining steam from the raw product gas stream by cooling the raw product gas stream and separating the remaining product gas from a liquid, and using said gas mixture containing CO and CO.sub.2 for liquid phase synthesis reactions utilizing carbon monoxide as one of the reactants while recycling CO.sub.2 to the SOEC or SOEC stack.

Systems and methods are provided for hydrogenation of CO.sub.2 in a reverse flow reactor environment via a reverse water gas shift reaction. A reverse flow reactor environment is suitable for performing endothermic reactions at high temperatures, where a reactant flow is passed into the reactor in a first portion of the cycle in a first flow direction while a combustion or heating flow is passed into the reactor during a second portion of the reaction cycle from the opposite direction. This can allow for efficient heating of surfaces within the reactor to provide heat for the endothermic reverse water gas shift reaction while reducing or minimizing incorporation of combustion products into the desired reaction products.

A multicomponent photocatalyst includes a reactive component optically, electronically, or thermally coupled to a plasmonic material. A method of performing a catalytic reaction includes loading a multicomponent photocatalyst including a reactive component optically, electronically, or thermally coupled to a plasmonic material into a reaction chamber; introducing molecular reactants into the reaction chamber; and illuminating the reaction chamber with a light source.

The invention provides a process for preparing liquid fuels and chemicals, which process comprises feeding carbon monoxide and hydrogen to a hydrogenation reactor, wherein the molar ratio CO:H.sub.2 is in the range of 1:0.5 to 1:0.9, catalytically hydrogenating said carbon monoxide in said hydrogenation reactor, condensing the effluent of said hydrogenation reactor to recover one or more organic liquid(s) and an aqueous solution, feeding a non-condensable component of said effluent into an oligomerization reactor; condensing an effluent discharged from the oligomerization reactor to obtain an additional organic liquid and an additional gaseous stream, separating said additional organic liquid, and either combusting said additional gaseous stream to produce heat and electricity, or processing same to obtain recyclable gaseous streams utilizable in said process.

The invention relates to a process for reforming a hydrocarbon feed stream comprising a hydrocarbon gas and steam, said process comprising the steps of: a) in a synthesis gas generation reactor carrying out a reforming reaction of the hydrocarbon feed stream over a first catalyst, thereby forming a first synthesis gas; b) providing a heated CO.sub.2 rich stream to a post converter comprising a second catalyst; and c) in said post converter carrying out a methanation, steam reforming and reverse water gas shift reactions of the first synthesis gas and the heated CO.sub.2 rich stream to produce a product synthesis gas, wherein said second catalyst is heated electrically by means of an electrical power source. The invention moreover relates to a system arranged to carry out the process of the invention.

A synthesis gas plant for producing synthesis gas, said synthesis gas plant including an electrically heated reforming reactor system including a first catalyst active for catalyzing steam methane reforming reaction, said electrically heated reforming reactor system being arranged to receive a feed gas comprising hydrocarbons and outletting a first synthesis gas stream. The synthesis gas plant also includes a post converter downstream the electrically heated reforming reactor system, said post converter housing a second catalyst active for catalyzing steam methane reforming/methanation reactions and reverse water gas shift reaction, said post converter being arranged to receive at least part of said first synthesis gas stream and outletting a second synthesis gas stream. Furthermore, the synthesis gas plant includes means for adding a heated CO.sub.2 rich gas stream to the at least part of the first synthesis gas stream upstream the post converter and/or into the post converter.

A process for producing synthesis gas, the process including the steps of: a) in a reforming reactor, reacting a hydrocarbon feed stream together with an oxidant gas stream, thereby producing a first synthesis gas stream; b) providing a heated CO.sub.2 rich gas stream to an adiabatic post converter including a second catalyst active for catalyzing steam methane reforming, methanation and reverse water gas shift reactions; and c) in the adiabatic reforming post converter, letting at least a part of the first synthesis gas stream and the heated CO.sub.2 rich gas stream undergo steam methane reforming, methanation and reverse water gas shift reactions to thereby provide a product gas stream, the product gas stream being a synthesis gas stream. Also, a system for producing synthesis gas.

Improvements to the gasifier furnace design and process method to facilitate continuous production of mainly H.sub.2, CO and granulated solid from molten liquid or the liquid slag in the presence of carbonaceous material. It is a method of quenching molten liquid and cooling post quenched hot granulated solid which is done within a long horizontal reaction chamber space of the furnace in the presence of C and H.sub.2O. A moving layer of continuously gas cooled granulated solid protects the moving floor underneath by substantially reducing the possibility of heat transfer from the horizontal reaction chamber to such moving floor and its parts and preventing direct contact between the post quenched hot solid granulates and such moving floor. Such moving floor having plurality of gas passages and is disposed above a plenum that receives gas from outside source and uniformly distributes the gas to pass through all the gas passages.

A system for production of a synthesis gas, including: a synthesis gas generation reactor arranged for producing a first synthesis gas from a hydrocarbon feed stream; a post converter including a catalyst active for catalyzing steam methane reforming, methanation and reverse water gas shift reactions; the post converter including a conduit for supplying a CO.sub.2 rich gas stream into a mixing zone of the post converter, where the CO.sub.2 rich gas stream in the conduit upstream the mixing zone is in heat exchange relationship with gas flowing over the catalyst downstream the mixing zone; a pipe combining the at least part of the first synthesis gas and the CO.sub.2 rich gas stream to a mixed gas, in a mixing zone being upstream the catalyst; wherein the post converter further includes an outlet for outletting a product synthesis gas from the post converter. Also, a corresponding process.

The present process invention in continuation to the U.S. Ser. No. 14/392,066 appertains to Advanced Combustion in post-combustion carbon capture, wherein the CO.sub.2-containing flue gas, said CO2-Stream, is cleaned from harmful constituents, recirculated, oxygenized and employed for combustion for the fossil fuels, referred to Flue Gas Oxy-Fueling in order to obtain a CO.sub.2-rich gas upstream to CO2-CC with significantly less gas flow rate subject to further processing. This continuation process patent also presents processing to prepare a CO.sub.2-rich CO2-Stream for the pre-combustion carbon capture downstream of gasification and gas cleaning process; or from the secondary CO2-Stream that stems from the cathodic syngas [CO/2H.sub.2] downstream of HPLTE-SG of patent parent, then downstream of the HP/IP-water shift converters in [CO.sub.2/3H.sub.2] composition, whereas the CO.sub.2-rich CO2-Stream from either pre-combustion process is routed to the CO2-CC for CO.sub.2 cooling and condensation section of the U.S. Ser. No. 14/392,066 to obtain liquid carbon dioxide for re-use as new fossil energy resource.