Abstract: There is provided a process for hydrotreating a liquid oil stream in a continuous operation in a fixed bed reactor; wherein the liquid stream is a thermochemical decomposition oil stream, and contains polymerisable reactive compounds; wherein the fixed bed reactor comprises at least a first reactor bed containing a first hydrotreatment catalyst and a second reactor bed containing a second hydrotreatment catalyst; the process comprising the steps of: (i) in a first operation period, passing at least 50 vol. % of the liquid oil stream through the first reactor bed and subsequently through the second reactor bed; (ii) in a second operation period, on determination of deposition of material formed from the polymerisable reactive compounds on the first reactor bed, passing a reduced proportion of the liquid oil stream through the first reactor bed, and passing an increased proportion of the liquid oil stream through the second reactor bed having not passed through the first reactor bed.

Abstract: A process and a process plant for conversion of a reactive liquid feedstock stream containing at least 40 wt % carbon, including the steps of directing a diluent stream, having a first combined hydrogen consumption potential and the reactive liquid feedstock stream as a combined stream having a first hydrogen consumption potential, to contact a material catalytically active in hydrotreatment which during operation has a lowest temperature of at least 80° C. and a highest temperature of less than 250° C. in the presence of dihydrogen, withdrawing a stabilized composition stream having a second combined hydrogen consumption potential which is less than 80% and more than 10% of the first hydrogen consumption potential, and providing an amount of the liquid phase of said stabilized composition stream as said diluent stream wherein the hydrogen consumption potential for a composition is the amount of hydrogen required for conversion of the composition into a saturated hydrocarbon.

Abstract: The present invention relates to a carbon monoxide plant and process for effective use of biogas. The carbon monoxide plant comprises: a first biomass feed, a biomass digester, a reformer section, a CO2-removal section and a cryogenic separation section. A process for providing a CO-rich product stream from a first biomass feed, using the plant of the invention, is also provided.

Abstract: Process for the preparation of methanol comprising the steps of (a) preparing a hydrogen feedstock by electrolysis (b) providing a carbon oxide feedstock in periods of operating the electrolysis in step (a) (c) mixing at least part of the hydrogen feed and carbon oxide source consisting of carbon monoxide and/or carbon dioxide feed to obtain a methanol synthesis gas; (d) adjusting the molar content of hydrogen, carbon monoxide and/or carbon dioxide from step (c) to a module M of (H2?CO2)/(CO2+CO) to between 1.9 and 2.2 (e) converting the methanol synthesis gas in one or more boiling water reactors to methanol; in periods without operating the electrolysis in step (a) (f) interrupting the converting of the methanol synthesis gas in the one or more boiling water reactors by heat exchange with boiling water, wherein in step (f) the one or more boiling water reactors are heated by one or more auxiliary heaters to maintain boiling of the water in the one or more boiling water reactors.

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 methanol plant and a process for the production of methanol is provided. A hydrogen recovery section receives off-gas stream from the methanol synthesis section and outputs a hydrogen-rich stream, which is recycled upstream the methanol synthesis section.

Abstract: The present invention relates to a method for thermolytic fragmentation of a sugar into C1-C3 oxygenates, comprising separating solids from the fragmentation product, wherein the temperature of the fragmentation product at an outlet of the reactor is at least 250° C., and wherein the water content is at least 40 vol. %, based on all gas phase constituents. The present invention also relates to a system for performing the thermolytic fragmentation of a sugar into C1-C3 oxygenates. The method and the system are suitable for industrial scale production.

Abstract: The present invention provides a method and system for producing blue ammonia, providing for a high percentage of carbon capture. The method and system of the invention may be used in any ammonia plant.

Abstract: The invention relates to a process and plant for hydrotreating a liquid oil stream such as pyrolysis oil stream by, in continuous operation in a fixed bed reactor, reacting the liquid oil stream with hydrogen in the presence of a reduced nickel (Ni) catalyst at a temperature of 80-250° C., a pressure of 10-200 barg, a liquid hourly space velocity (LHSV) of 0.1-6.0 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 100-8000 NL/L, thereby forming a stabilized liquid oil stream.

Abstract: There is provided a process for hydrotreating a liquid oil stream; wherein the liquid oil stream is a thermochemical decomposition oil stream; the process comprising: (i) a hydrotreatment step comprising hydrotreating the liquid oil stream in a fixed bed reactor at a temperature of less than 250° C., wherein the fixed bed reactor comprises a hydrotreatment catalyst; and (ii) an in-situ catalyst regeneration step such that one or more ammonium salts deposited on the hydrotreatment catalyst are removed from the hydrotreatment catalyst, wherein the in-situ catalyst regeneration step comprises heating the hydrotreatment catalyst with a flushing gas, or mixtures or a flushing gas and oil.

Abstract: The invention relates to the removal of heteroatoms such as arsenic in the processing of renewable feedstocks.

Abstract: A power balancing system and process is provided, in which a first electrolysis unit (10) outputs a first hydrogen rich stream (11), which is converted in a methanol synthesis plant (20) to a first methanol-rich stream (21). A methanol storage unit (40) receives and stores the first methanol-rich stream (21). When additional electrical power is required, methanol from the methanol storage unit (40) can be used for power generation. The system and process allow excess electrical power to be converted into and stored as methanol during periods of low demand, and used to generate electrical power when demand is higher.

Abstract: The present invention relates to a process for hydrotreating a nitrogen rich liquid oil stream by, in a continuous operation in a fixed bed reactor, reacting the nitrogen rich liquid oil stream with hydrogen in the presence of catalyst at a temperature of 80-250° C., a pressure of 10-200 barg, a liquid hourly space velocity (LHSV) of 0.1-6 h?1, thereby forming a stabilized liquid oil stream.

Abstract: A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.

Abstract: A system for processing carbonaceous in-feed material has a pyrolyzer kiln for pyrolysis the carbonaceous in-feed material, the kiln operating in a slow pyrolysis process in which the in-feed material is pyrolysed in the kiln for a period of minutes in order to produce primarily a gaseous output fraction; a steam reformer positioned downstream of the kiln to which combustion gasses from the pyrolyzer kiln are fed; a water scrubber positioned gas flow-wise downstream of the steam reformer; a methanation stage; a CO2 scrubbing stage. The system includes means for splitting the gas and directing a portion of the split gas back to the pyrolyzer kiln.

Abstract: A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.

Abstract: Process and reaction system for the preparation of methanol.

Abstract: The present invention relates to multi-bed catalytic reactor with a cylindrical shape comprising a distribution device further comprising a feed distributor which is separate from a recycle fluid distributor and thus protects the feed against the higher recycle fluid temperatures.

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.