111 results about "Oxocarbon" patented technology

A process has been developed for producing diesel boiling range fuel from renewable feedstocks such as plant and animal fats and oils, the process providing for sulfur management. The process involves catalytically treating a renewable feedstock by hydrogenating and deoxygenating to provide a hydrocarbon fraction useful as a diesel boiling range fuel. The hydrocarbon fraction is isomerized to improve cold flow properties. A selective separation such as a hot high pressure hydrogen stripper is used to remove at least the carbon oxides from the first zone effluent before entering the isomerization zone, and to provide liquid recycle to the treating zone at pressure and temperature. A vapor stream is separated from the isomerization effluent and at least carbon dioxide is removed using at least one selective or flexible amine solution absorber. The resulting hydrogen-rich stream is recycled to the deoxygenation reaction zone

The invention discloses a methanation catalyst of carbon oxides containing nickel, the methanation catalyst contains active components of a) nickel oxide, b) tungsten oxide and/or molybdenum oxide, and c) at least one active component which is selected from alkali metal oxides, alkaline earth metal oxides and rare earth metal oxides which are loaded on a carrier of the oxides, and the carrier of the oxides is aluminium oxide, silicon oxide, titanium oxide, zirconium oxide or the mixture thereof. The catalyst of the invention has very high activity at low temperature, high anti-poisoning capacity and thermal stability and broad application prospect.

A method of reducing a gaseous carbon oxide includes reacting a carbon oxide with a gaseous reducing agent in the presence of a non-ferrous catalyst. The reaction proceeds under conditions adapted to produce solid carbon of various allotropes and morphologies, the selective formation of which can be controlled by means of controlling reaction gas composition and reaction conditions including temperature and pressure. A method for utilizing a non-ferrous catalyst in a reactor includes placing the catalyst in a suitable reactor and flowing reaction gases comprising a carbon oxide with at least one gaseous reducing agent through the reactor where, in the presence of the catalyst, at least a portion of the carbon in the carbon oxide is converted to solid carbon and a tail gas mixture containing water vapor.

Disclosed herein is a method of preparing porous graphene from porous graphite, including 1) thermochemically reacting a highly crystalline carbide compound with a halogen element-containing gas to give a porous carbide-derived carbon; 2) treating the carbide-derived carbon with an acid, thus preparing a carbide-derived carbon oxide; and 3) reducing the carbide-derived carbon oxide. An anode mixture for a secondary battery including the graphene and an anode for a secondary battery including the anode mixture are also provided.

The present invention provides a cerium-zirconium composite oxide with a high specific surface area. The cerium-zirconium composite oxide comprises cerium oxide, zirconium oxide and at least one oxide of a rare earth metal element other than cerium, and the composite oxide has a specific surface area of 80 m<2>/g or above, a pore volume of 0.50-0.60 mL/g, an oxygen storage amount of 500-1200 [mu]mol O2/g and two-hole group distributed apertures after subjected to heat treatment at 850 DEG for 4-8 h, wherein the diameter of the first pore group is concentrated at 1-8 nm, and the diameter of the second pore group is concentrated at 20-60 nm. The cerium-zirconium composite oxide provided by the invention has a higher specific surface area and a better pore volume distribution than composite oxides prepared by existing methods, has good low-temperature catalytic activity, and can be used for catalyzing hydrocarbons, carbon oxides and/or nitrogen oxides in mobile source exhaust gas. The invention also provides a preparation method of the cerium-zirconium composite oxide. The composite oxide which has uniform element crystal lattice doping distribution and does not produce phase separation can be prepared, and is of great significance to study mobile source exhaust gas treatment purifying agents containing the cerium-zirconium composite oxide.

An apparatus for producing solid carbon and water by reducing carbon oxides with a reducing agent in the presence of a catalyst includes a reactor configured to receive reaction gas comprising at least one carbon oxide, at least one reducing agent, and water. The apparatus includes at least one mixing means configured to mix the reagents to form a combined feed, a first heat exchanger configured to heat the combined feed, at least one heater configured to further heat the combined feed, and a reaction vessel configured to receive the combined feed. The reaction vessel is configured to contain a catalyst, to maintain predetermined reaction conditions of temperature and pressure, and has an output configured to deliver a tail gas to the first heat exchanger. The system also includes a product separator, a water separation unit, and a product packaging unit.

The invention discloses a method for preparing high-purity nanometer silicon. According to the method, calcium chloride or a calcium chloride-containing mixed fused salt is used as electrolyte, silicon dioxide or quartz is put in a metal current collector to serve as a cathode, graphite or an inert electrode is used as an anode, constant potential electrolysis is carried out under the condition that the electrolytic potential is controlled by adopting a reference electrode at a certain electrolysis temperature under the inert gas protection, thus obtaining the needed product, namely the high-purity nanometer silicon. The invention also discloses application of the high-purity nanometer silicon. The preparation method is high in electrolytic efficiency, the electrolytic efficiency is more than 70 percent, and the energy consumption is far lower than the energy consumption during silicon preparation through an industrial carbon heat method. In addition, lots of carbonic oxides are emitted in the process of preparing monatomic silicon through the industrial carbon heat method, and lots of charcoal is consumed. Moreover, the charcoal is not needed to serve as a reducing agent, an inert anode is adopted, and oxygen is discharged from the anode, so that zero emission is realized. Finally, the product obtained by the method is high in purity.

Disclosed is a polymer having an oxocarbon group represented by the general formula (1). This polymer having an oxocarbon group is useful as a polymer electrolyte as the material for proton conductive membranes in solid polymer fuel cells which use a gas fuel such as a hydrogen gas or a liquid fuel such as methanol or dimethyl ether.

According to the invention, synthesis gas is produced from a starting material, particularly natural gas, which contains hydrocarbons, by dividing a feed flow of the starting material into a first partial flow and a second partial flow. The first partial flow is fed to a steam reformer (4) in which said partial flow, along with steam, is catalytically converted into a gas flow containing carbon oxides. The first partial flow is then recombined with the second partial flow, and the combined gas flow is fed to an autothermal reformer (7) in which the gas flow is autothermally reformed to a synthesis gas along with oxygen-rich gas in the presence of a cracking catalyst. In order to be able to process a starting material that has a high concentration of higher hydrocarbons, the entire starting material is fed to a pre-reformer (2) upstream of the steam reformer (4) and upstream of the autothermal reformer (7), higher hydrocarbons being largely eliminated from the starting material in said pre-reformer (2).

Integrated processes are provided for the bioconversion of syngas to oxygenated organic compound with the ability to recover essential compounds for the fermentation and recycle the compounds to the fermentation.

A process is provided for preparing ethylene amines of the formula NH₂—(C₂H₄—NH—)_pH wherein p is at least 2, or derivatives thereof wherein one or more units —NH—C₂H₄—NH— are present as a cyclic ethylene urea unit

The process includes reacting an ethanolamine-functional compound OH—(C₂H₄—NH—)_qH or HO—(C₂H₄—NH)_q—C₂H₄—OH wherein q is at least 1, and an amine-functional compound NH₂—(C₂H₄—NH—)_rH wherein r is at least 1, in the presence of a carbon oxide delivering agent and water, with a molar ratio of water:carbon oxide delivering agent of from about 0.01:1 to about 2:1.

The present invention relates to oxocarbon-, pseudooxocarbon- and radialene compounds as well as to their use as doping agent for doping an organic semiconductive matrix material, as blocker material, as charge injection layer, as electrode material as well as organic semiconductor, as well as electronic components and organic semiconductive materials using them.

Provided is a polymer composition containing an oxocarbon and a polymer, further, a polymer composition that the oxocarbon are expressed by formula (1).

A process is provided for preparing ethyleneamines of the formula NH₂—(C₂H₄—NH—)_pH wherein p is at least 3, or derivatives thereof wherein one or more units —NH—C₂H₄—NH— may be present as a cyclic ethylene urea unit or piperazine unit or between two units —NH—C₂H₄—NH— a carbonyl moiety is present. The process includes reacting an ethanolamine-functional compound OH—(C₂H₄—NH—)_qH wherein q is at least 2, an amine-functional compound NH₂—(C₂H₄—NH—)_rH wherein r is at least 1, in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is from about 0.05:1 to about 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is higher than the molar ratio of ethanolamine-functional compound to amine-functional compound, provided that the process does not comprise reacting 3 moles of ethylenediamine (EDA) and 1 mole of AEEA (aminoethylethanolamine) in the presence of 1.65 moles of urea at 280 deg C. for 2 hours.

The reaction rate of hydrocarbon pyrolysis can be increased to produce solid carbon and hydrogen by the use of molten materials which have catalytic functionality to increase the rate of reaction andphysical properties that facilitate the formation and contamination-free separation of the solid carbon. Processes, materials, reactor configurations, and conditions are disclosed whereby methane andother hydrocarbons can be decomposed at high reaction rates into hydrogen gas and carbon products without any carbon oxides in a single reaction step. The process also makes use of specific propertiesof selected materials with unique solubilities and/or wettability of products into (and/or by) the molten phase to facilitate generation of purified products and increased conversion in more generalreactions.

The invention discloses antioxidant nickel-based high-temperature alloy powder and a preparation method thereof. Ni, Cr, W and other alloy elements are taken in proportion, the alloys are firstly putinto a vacuum induction furnace for melting and then put into in a vacuum self-consuming furnace for remelting to obtain a mother alloy ingot, and the mother alloy ingot is made into an electrode bar;the electrode bar is put into a plasma rotating electrode powder making machine, and the end of the electrode bar is melted by using a plasma gun to obtain spherical powder; screening is conducted onthe spherical powder through an ultrasonic vibrating sieve; and electrostatic separation is conducted on the spherical powder to remove non-metallic impurities from the spherical powder to obtain pure alloy powder. By means of the preparation method of the antioxidant nickel-based high-temperature alloy powder, by adopting Nb element to replace a part of W element, the content of W element is reduced, the forming tendency of carbon oxide of W is weakened, and the content of the carbon oxide of W in the alloy is significantly reduced.