Patent classifications
C07C2523/755
Multimetallic catalysts for methanation of carbon dioxide and dry reforming of methane
Processes for forming multimetallic catalysts by grafting nickel precursors to metal oxide supports. Dry reforming reaction catalysts having nickel and promotors grafted to metal oxides supports. Methanation reaction catalysts having nickel and promotors grafted to metal oxides supports.
CONTINUOUS PROCESS FOR THE PRODUCTION OF ALKANES
Continuous reductive dehydroxymethylation process for the preparation of alkanes from primary aliphatic alcohols, having 3 to 25 carbon atoms, in the presence of hydrogen and a catalyst in a reactor at a pressure of ≥2 bar, characterized in that the dehydroxymethylation takes place in the vapor phase.
Electrolysis Cell Unit, Electrolysis Cell Device, Hydrocarbon Production System, and Production Method and Use Method of Electrolysis Cell Unit
-- An electrolysis cell unit capable of efficiently electrolyzing water and carbon dioxide is obtained. An electrolysis cell unit includes at least an electrolysis cell in which an electrode layer and a counter electrode layer are formed with an electrolyte layer interposed therebetween and a discharge path for discharging hydrogen generated in the electrode layer, in which the electrolysis cell being formed in a thin layer on a support and a reverse water-gas shift reaction unit that generates carbon monoxide using carbon dioxide and the hydrogen by a reverse water-gas shift reaction being provided in at least a portion of the discharge path.--
Method of Improving Selective Hydrogenation of Unsaturated Hydrocarbon in Aromatic Fraction Through Catalyst Pretreatment
Disclosed is a method for providing improved hydrogenation activity by pretreating a catalyst in a three-step manner before selective hydrogenation of unsaturated hydrocarbons in an aromatic fraction in the presence of an oxide-type bimetallic (particularly nickel-molybdenum) supported catalyst.
Hydrocarbon Production System, and Production Method and Operation Method Thereof
As a hydrocarbon production system that synthesizes hydrocarbons using water and carbon dioxide as raw materials, a hydrocarbon production system capable of producing hydrocarbons by securing hydrogen and carbon monoxide required for hydrocarbon synthesis is provided. In a hydrocarbon production system that produces hydrocarbons from at least water and carbon dioxide, the hydrocarbon production system includes at least an electrolytic reaction unit, a reverse water-gas shift reaction unit, and a hydrocarbon synthesis reaction unit.
Ethylene oligomerization/trimerization/tetramerization reactor
A process includes periodically or continuously introducing an olefin monomer and periodically or continuously introducing a catalyst system or catalyst system components into a reaction mixture within a reaction system, oligomerizing the olefin monomer within the reaction mixture to form an oligomer product, and periodically or continuously discharging a reaction system effluent comprising the oligomer product from the reaction system. The reaction system includes a total reaction mixture volume and a heat exchanged portion of the reaction system comprising a heat exchanged reaction mixture volume and a total heat exchanged surface area providing indirect contact between the reaction mixture and a heat exchange medium. A ratio of the total heat exchanged surface area to the total reaction mixture volume within the reaction system is in a range from 0.75 in.sup.−1 to 5 in.sup.−1, and an oligomer product discharge rate from the reaction system is between 1.0 (lb)(hr.sup.−1)(gal.sup.−1) to 6.0 (lb)(hr.sup.−1)(gal.sup.−1).
CATALYST FOR PRODUCING ISOPROPYLBENZENE AND THE PRODUCTION METHOD AND USE THEREOF
Described are a catalyst for producing isopropylbenzene and the production method and use thereof. The catalyst includes a support and an active component supported on the support, wherein the support comprises a support substrate and a modifying auxiliary component supported on the support substrate, wherein the active component includes metal palladium and/or an oxide thereof, and the modifying auxiliary component is phosphorus and/or an oxide thereof; optionally, the active component further includes metal copper and/or an oxide thereof; the catalyst further includes a sulfur-containing compound.
HYDROCARBON GENERATION SYSTEM AND HYDROCARBON GENERATION METHOD
A hydrocarbon generation system includes a first generation apparatus configured to generate a hydrocarbon with two or more carbon atoms from a first raw material containing: at least one of carbon monoxide or carbon dioxide; and hydrogen. The hydrocarbon generation system includes a second generation apparatus configured to generate methane from a second raw material including: hydrogen; and at least one of carbon monoxide or carbon dioxide contained in the first raw material and discharged from the first generation apparatus.
Hydrocarbon Production System
A hydrocarbon production system capable of efficiently producing hydrocarbon containing a high-calorie gas by securing hydrogen and carbon monoxide required for hydrocarbon synthesis using water and carbon dioxide as raw materials is obtained. The hydrocarbon production system includes an electrolytic reaction unit that converts water and carbon dioxide into hydrogen and carbon monoxide through an electrolytic reaction, a catalytic reaction unit that converts a product generated by the electrolytic reaction unit into hydrocarbon through a catalytic reaction, and branch paths and that branch a portion of an outlet component of the catalytic reaction unit.
CATALYSTS, PREPARATION METHOD THEREOF, AND SELECTIVE HYDROGENATION PROCESSES
The present invention relates to a process for making 1,4-butanediol. The process may include reacting a solution comprising 1,4-butynediol with hydrogen in a presence of an effective amount of a catalyst. The catalyst may include copper.