Abstract: Process and plant for producing a hydrocarbon product, the process including the steps of: i) conducting a liquid oil stream to a hydroprocessing step for producing a first and second liquid hydrotreated streams, and ii) separating from the first or second liquid hydrotreated stream, optionally from said main hydrotreated stream, said hydrocarbon product.

Abstract: A chemical plant in which an electrolysis section is arranged to receive at least a portion of a first steam feed and electrolyze it to provide a hydrogen stream and an oxygen-enriched stream. A first heat exchanger is arranged to receive at least a portion of the oxygen-enriched stream and a combustion air stream to transfer heat from the oxygen-enriched stream to the combustion air stream. The heated combustion air stream and at least a portion of an off-gas stream are arranged to be combusted in at least one burner to provide a combusted gas stream. The first heat exchanger is arranged to receive at least a portion of the combusted gas stream and said water stream. The first heat exchanger is arranged to transfer heat from the at least a portion of the combusted gas stream to the water stream to provide a cooled combusted gas stream and a steam stream.

Abstract: A method of producing a polyester, the method comprising: (a) providing a biomass based composition comprising ethylene glycol and having a UV transmittance at 275 nm determined in accordance with ASTM method E2193-16 of less than 40%; (b) contacting the biomass based composition with at least one reagent to form the polyester.

Abstract: Method and plant for producing a synthesis gas for use in the production of a hydrocarbon product, particularly a synthetic fuel, comprising: providing a hydrocarbon feed gas, providing a first oxygen rich stream by passing air through an air separation unit (ASU), carrying out autothermal reforming of said hydrocarbon feed gas in an autothermal reforming (ATR) unit, said autothermal reforming including using at least a portion of said first oxygen containing stream, providing at least part of said synthesis gas to a synthetic fuel synthesis unit for converting said synthesis gas into said hydrocarbon product and producing a tail gas, recycling part or the entirety of said tail gas to upstream said ATR, providing a first hydrogen rich stream and a second oxygen rich stream, and adding at least a portion of said first hydrogen rich stream to said synthesis gas prior to entering said synthetic fuel synthesis unit.

Abstract: A halides removal washing system for absorbing halides from a process gas within a process gas duct comprising a wash water injection nozzle and anti-precipitation means arranged around the nozzle, injection pipe and within the process gas duct.

Abstract: A nickel-based alloy is coated with a silicate based nickel aluminide slurry diffusion coating.

Abstract: A process for producing an olefin stream, said process comprising passing a feedstock stream comprising oxygenates over catalyst comprises a zeolite with a framework having a 10-ring pore structure, in which said 10-ring pore structure comprises a unidimensional (1-D) pore structure, such as *MRE, at a pressure of 1-25 bar and a temperature of 240-360° C. The olefin stream may be converted to jet fuel, particularly sustainable aviation fuel (SAF) by further oligomerization and hydrogenation.

Abstract: A process to control the outlet temperature of a heat exchange reformer in the production of synthesis gas wherein a first stream of feed gas is directed to a first reforming section and a second stream of feed gas is directed to said heat exchange reformer, wherein the outlet stream of said reforming section is divided into at least a first and a second sub-streams. The first sub-stream is directed into said heat exchange reformer to provide heat for the reforming section and the outlet stream of the heat exchange reformer is directed to a first waste heat boiler. The second sub-stream bypasses the heat exchange reformer and is directed to a second waste heat boiler for heat recovery and high pressure steam production. The outlet temperature of said heat exchange reformer is adjusted in this manner.

Abstract: A process is provided for producing a hydrocarbon product stream in a hydrocarbon plant. The hydrocarbon plant comprises a reverse water gas shift (RWGS) unit (I), and a second feed comprising carbon dioxide to said reverse water gas shift (RWGS) unit (I). The second feed is a process off-gas containing less than 75% CO2 and is the sole carbon dioxide-containing feed to said reverse water gas shift (RWGS) unit (I).

Abstract: A structured body for heating system for carrying out heating of a pressurized feed gas is provided, where the heat is provided by resistance heating by means of electrical power.

Abstract: The present invention relates to a more efficient, sustainable system and process, wherein an off-gas comprising unsaturated hydrocarbons from a synthesis stage is recycled to the syngas stage through an off-gas conversion stage comprising hydrogenation of unsaturated hydrocarbons in said off-gas. The exotherm across the adiabatic hydrogenation unit is controlled efficiently by using dilution gas.

Abstract: A system is described for providing a hydrocarbon product stream. An electrolysis section provides a syngas stream from a first feed comprising CO2 and a second feed comprising H2O, which is then passed to an F-T section where it is converted to a hydrocarbon product stream and a tail gas stream. An electrical steam reformer section said tail gas stream and convert it to a second syngas stream, which is then recycled upstream the FT section. A process is also provided for converting a first feed comprising CO2 and a second feed comprising H2O to a first hydrocarbon product stream in a system according to the invention. The system of the invention can be combined with an upgrading section, in a gas-to-liquid plant.

Abstract: A process and reaction system for preparation of methanol. A fresh methanol synthesis gas stream is introduced in a first methanol reaction unit in the presence of a methanol catalyst, resulting in a first effluent stream containing methanol and unconverted synthesis gas. A recycle gas stream containing the unconverted methanol synthesis gas contained in the first effluent stream and unconverted methanol synthesis gas from a second methanol reaction unit is introduced and reacted in the second methanol reaction unit in the presence of a methanol catalyst. The first effluent stream and a part of a second effluent stream containing methanol and the unconverted methanol synthesis gas from the second methanol reaction unit are combined, cooled, and separated into a methanol-containing liquid stream and the recycle stream. The remaining part of the second effluent stream is withdrawn as a purge gas stream prior to combining the first and second effluent streams.

Abstract: There is provided a process for the at least partial condensation of an oxygenate mixture the process comprising the steps of: (a) providing a vapour phase oxygenate mixture obtained from fragmentation of an aqueous solution of carbohydrates; (b) performing on the vapour phase oxygenate mixture an at least partial condensation to provide a condensate; and (c) combining an antifoaming agent and the condensate.

Abstract: The invention relates to a process for hydrotreating a liquid oil stream such as pyrolysis oil stream by, in continuous operation, reacting the liquid oil stream with hydrogen in the presence of a nickel-molybdenum (Ni—Mo) based catalyst at a temperature of 20-240° C., a pressure of 100-200 barg and a liquid hourly space velocity (LHSV) of 0.1-1.1 h?1, and a hydrogen to liquid oil ratio, defined as the volume ratio of hydrogen to the flow of the liquid oil stream, of 1000-6000 NL/L thereby forming a stabilized liquid oil stream.

Abstract: Process and plant for producing a synthesis gas by catalytic steam reforming of a hydrocarbon feedstock in a steam reforming unit, wherein water is removed from the synthesis gas as a process condensate, wherein boiler feed water is introduced in the process, and wherein the process or plant produces at least two separate steam streams: a pure steam which is generated from at least a portion of the boiler feed water by the cooling of synthesis gas, and a process steam which is generated by evaporating at least a portion of the process condensate by using synthesis gas, optionally together with pure steam and/or flue gas from the steam reforming unit.

Abstract: A broad aspect of the present disclosure relates to a process for conversion of a feedstock containing at least 5 wt % aromatics, originating from thermal decomposition of solids, comprising the steps of directing the feedstock to contact a material catalytically active in hydrodeoxygenation under hydrodeoxygenation conditions in the presence of dihydrogen, to provide a deoxygenated intermediate, directing at least an amount of the deoxygenated intermediate to contact a material catalytically active in hydrodearomatization under hydrodearomatization conditions in the presence of dihydrogen, to provide an dearomatized intermediate. This has the associated benefit of converting a feedstock such as pyrolysis oil to a product or an intermediate compatible with diesel fuel requirements with a minimal yield loss.

Abstract: A process and reactor system are provided for production of a CO-containing stream. The process includes the steps of supplying a carbon-containing first feed and an optional co-feed to the electrically-heated reactor and allowing them to undergo a CO-forming reaction, while heating the electrically-heated reactor by means of electrical power; and outletting a CO-containing stream from electrically-heated reactor, wherein the content of sulfur-containing species in the total gas mixture supplied to the electrically-heated reactor—measured in terms of H2S—is in the range of 1-50 ppm.

Abstract: A plant and process for producing a hydrogen rich gas are provided, said process comprising the steps of: steam reforming a hydrocarbon feed into a synthesis gas; shifting the synthesis gas and conducting the shifted gas to a hydrogen purification unit, subjecting CO2-rich off-gas from the hydrogen purification unit to a carbon dioxide removal and recycling CO2-depleted off-gas rich in hydrogen to the process.

Abstract: Process and plant for producing a gasoline product from an oxygenate feed stream, the process including the provision of a methanol-to-gasoline reactor in a gasoline synthesis loop. The process and plant may include combination of an overhead stream from a de-ethanizer, e.g. a fractionation column, located downstream the cooling and separation of the raw gasoline produced in the methanol-to-gasoline reactor, in the gasoline synthesis loop.