Patent classifications
B01J27/1853
METHOD AND CATALYST FOR PRODUCING METHYLBENZYL ALCOHOL FROM ETHANOL BY CATALYTIC CONVERSION
The present invention relates to methods and catalysts for producing methylbenzyl alcohol from ethanol by catalytic conversion, and belongs to the field of chemical engineering and technology. The present invention develops a route of producing methylbenzyl alcohol starting from green and sustainable ethanol and provide corresponding catalysts used for the catalytic conversion route. This innovative reaction route has several advantages, such as, simple process, eco-friendly property, and easy separation of products, as compared with a traditional petroleum-based route. This present route has a reaction temperature of 150-450° C. and total selectivity of 72% for methylbenzyl alcohol, and has good industrial application prospect. The innovation of this patent comprises the catalysts synthesis and the reaction route.
METHOD AND CATALYST FOR PRODUCING BENZYL ALCOHOL AND HOMOLOGUES THEREOF FROM SHORT-CHAIN ALCOHOLS BY CATALYTIC CONVERSION
Methods and catalysts for producing benzyl alcohol and homologues thereof from short-chain alcohols by catalytic conversion are disclosed. The methods and catalysts develop a new route for benzyl alcohols and ethyl benzyl alcohols production through cross coupling-aromatization reaction using short-chain alcohols as reactants and provide corresponding catalysts required for the above catalytic reaction. It is emphasized on a single bed catalyst to produce benzyl alcohol and its homologues in one step, and is expected to become an important alternative route for the production of benzyl alcohol and its homologues. A route and corresponding catalysts for directly producing benzyl alcohol and ethyl benzyl alcohol through coupling-aromatization reaction starting from low carbon alcohols are provided. The selectivity of the benzyl alcohol is up to 35%, and the total selectivity of the ethyl benzyl alcohol is up to 11%.
System for hydrogen liquid carrier storage
A fuel tank for storing a hydrogen liquid carrier and a spent hydrogen liquid carrier includes a substantially rigid exterior tank wall including a first chamber and a second chamber. The first chamber is fluidly disconnected from the second chamber, and the second chamber includes a dynamically expandable and contractible enclosure, the enclosure being configured to define a dynamic boundary between the hydrogen liquid carrier and spent hydrogen liquid carrier. The fuel tank also includes a first channel in flow communication with one of the first chamber or the second chamber and a second channel in flow communication with another of the first chamber or the second chamber, wherein the first channel and the second channel are flow connected such that a flow through one of the first or second channels is returned to the another of the first or second channels, and that during the flow, the dynamic boundary changes position causing a change in a volume of the second chamber.
Phosphate-promoted nickel catalyst for high temperature oligomerization
An oligomerization catalyst, oligomer products, methods for making and using same. The catalyst can include a supported nickel phosphate compound. The catalyst is stable at oligomerization temperatures of 500° C. or higher and particularly useful for making oligomer products containing C4 to C26 olefins having a boiling point in the range of 170° C. to 360° C.
Hydrodesulphurization catalyst selective of gasolines from FCC
The present invention relates to a hydrotreating catalyst comprising at least one group VIB metal, at least one group VIII metal and an alumina support having a gamma alumina content greater than 50% by weight and less than 100% by weight with respect to the weight of the support, said support having a specific surface area comprised between 25 and 150 m.sup.2/g.
MOLYBDENUM SULFIDE NANOSHEETS DECORATED WITH IRON PHOSPHIDE FOR HYDROGEN GAS EVOLUTION
An electrocatalyst comprising molybdenum disulfide nanosheets with dispersed iron phosphide nanoparticles is described. The molybdenum disulfide nanosheets may have an average length in a range of 300 nm-1 μm and the iron phosphide nanoparticles may have an average diameter in a range of 5-20 nm. The electrocatalyst may have an electroactive surface area in a range of 10-50 mF.Math.cm.sup.−2 when deposited on a working electrode for use in a hydrogen evolution reaction.
IONIC COMPOUND-BASED ELECTROCATALYST FOR THE ELECTROCHEMICAL OXIDATION OF HYPOPHOSPHITE
Embodiments of this disclosure include fuel cells, e.g., comprising an anode; a cathode; and an ion conducting membrane disposed between the anode and the cathode, wherein the anode includes an anode catalyst layer including an ionic compound of a base metal, which is a non-precious metal, and a non-metal, which is not oxygen. Further embodiments include methods of hypophosphite oxidation, e.g., comprising providing an electrode including a catalyst layer, wherein the catalyst layer includes an ionic compound of a base metal, which is a non-precious metal, and a non-metal, which is not oxygen; and exposing hypophosphite to the electrode while applying a potential to the electrode
BATCH SYSTEMS AND METHODS FOR HYDROGEN GAS EXTRACTION FROM A LIQUID HYDROGEN CARRIER
A system for extracting hydrogen gas from a liquid hydrogen carrier may include a hydrogen gas reactor, a catalyst for facilitating extraction of the hydrogen gas from the liquid hydrogen carrier, and a reservoir for containing the liquid hydrogen carrier and a spend liquid hydrogen carrier. The system may be configured to regulate a flow of liquid hydrogen carrier in and out of the hydrogen gas reactor, to move a catalyst relative to a volume of the liquid hydrogen carrier, and to provide a continuous flow of the hydrogen gas, in response to a demand for the hydrogen gas.
Catalyst containing a furan compound and use thereof in a hydroprocessing and/or hydrocracking method
The invention relates to a catalyst comprising an alumina-, silica- or silica-alumina-based support, at least one group VIII element, at least one group VIB element, and a furan compound. The invention also relates to the method for producing said catalyst and to the use thereof in a hydrotreating and/or hydrocracking method.
Catalyst for preparing chlorine gas by hydrogen chloride oxidation, and preparation method and application thereof
A catalyst for preparing chlorine gas by hydrogen chloride oxidation, comprising the following components calculated according to mass content based on the total weight of the catalyst: 0.5-20 wt % copper; 2-10 wt % manganese; 0.05-2 wt % boron; 0.01-3 wt % chromium; 0.1-10 wt % rare earth metal; 0.1-10 wt % potassium; and 3-15 wt % titanium; also comprising 0.02-1.1 wt % phosphorus; and 0.03-1.9 wt % iron; the carrier content is 55-90 wt %. In the case of a fluidized bed reactor, the present catalyst can achieve a one-way hydrogen chloride conversion rate of 80-85%. Almost all of the 0-1000 mg/kg of chlorinated benzene contained in hydrogen chloride gas can be converted into CO.sub.2 and H.sub.2O without generating polychlorinated benzene.