380 results about "Monoxide" patented technology

Particulate compositions are described comprising an intimate mixture of a coal and a gasification catalyst. The particulate compositions are gasified in the presence of steam to yield a plurality of gases including methane and at least one or more of hydrogen, carbon monoxide, carbon dioxide, hydrogen sulfide, ammonia and other higher hydrocarbons. Processes are also provided for the preparation of the particulate compositions and converting the particulate composition into a plurality of gaseous products.

A NOx abatement system comprising: a first NOx adsorber (18) capable of being disposed in-line and downstream of and in fluid communication with an engine (12); a selective catalytic reduction catalyst (20) disposed in-line and downstream of and in direct fluid communication with the first NOx adsorber (18), wherein the selective catalytic reduction catalyst (20) is capable of storing ammonia; and an off-line reformer (24) disposed in selective communication with and upstream of the first NOx adsorber (18) and the selective catalytic reduction catalyst (20), wherein the reformer (24) is capable of producing a reformate comprising primarily hydrogen and carbon monoxide.

A process of preparing purified Ti by the way of electrolysis directly from sosoloid positive pole, TiO?mTiC. Mix the powder of C and TiO2 or TiC as measurement of chemical reaction. Then press to be certain size to make positive pole, TiO?mTiC in airvoid at 600-1600íµ. Electrolyte is halide fused salt of alkali. Electrolysis at 400-1000íµ. C and O in the positive pole form CO, CO2 and O2. Purified Ti is obtained from negative pole.

It relates to a method and device of changing solar energy to chemical energy. It accumulates the solar energy and changing it to heat energy ranging from 150deg.C-300deg.C, providing reaction heat for the liquid fuels, allowing the middle and low level solar energy changing and stored into high level chemical energy, with the liquid being carbinol or dimethyl ether synthetic fuel, with the catabolite being hydrogen and monoxide formed gas. It can be used for multi purposes, providing fine synthetic fuel and material for customers.

The invention discloses lead-free glass dust with low melting point used for glass frit slurry, as well as the preparation method and the application thereof. The lead-free glass dust is characterized in that the compositions have the following weight percentages: 50%-70% of bismuth oxide, 0.1%-30% of boric oxide, 0.1%-30% of zinc oxide, 0.1%-10% of aluminium oxide, 0.1%-10% of silicon oxide, 0.1%-10% of magnesia magnesium oxide, 0.1%-10% of titania titanium dioxide, 0.1%-5% of sodium monoxide, 0.1%-5% of potassium oxide, 0.1%-5% of calcium oxide, 0.1%-2% of cerium oxide, and 0.1%-2% of cerium oxide. The preparation method comprises the following steps: all raw materials are fully mixed; the mixed mixture is put into a crucible, and is then put into an electric furnace at the furnace temperature of 1200-1450 DEG C; the melted glass slurry is poured into a tablet machine for being pressed into sheets or poured into cold water; the flaky or granule glass and dye are put into a ball mill together for ball milling; the glass dust after the ball milling process is screened and bagged; and the glass dust is applicable to the glass frit slurry field of the dielectric layers of plasma displays, fluorescent displays and the like. The invention has the advantages that the glass dust has good insulation and high dielectric constant, and is applicable to screen printing.

An exhaust gas purifying system includes an exhaust passage, an oxidation catalyst, a selective catalytic reduction catalyst, a urea water supply device, a first heating mechanism and a controller. The exhaust gas discharged from an internal combustion engine flows through the exhaust passage. The oxidation catalyst for oxidizing nitrogen monoxide contained in the exhaust gas to nitrogen dioxide is disposed in the exhaust passage. The selective catalytic reduction catalyst is disposed downstream of the oxidation catalyst. The urea water supply device supplies urea water into the exhaust passage at the upstream of the selective catalytic reduction catalyst. The first heating mechanism heats the oxidation catalyst. The controller controls the first heating mechanism to adjust the temperature of the oxidation catalyst such that molar ratio between nitrogen monoxide and nitrogen dioxide in the exhaust gas flowing into the selective catalytic reduction catalyst become one to one.

A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid.

The present invention provides a technique of reducing the concentration of carbon monoxide included in a hydrogen rich gas, which is fed as a supply of gaseous fuel to fuel cells. It is required that the activity of a carbon monoxide selective oxidation reaction for reducing the concentration of carbon monoxide is kept at a sufficiently high level in a wider temperature range. A CO selective oxidation unit 34, which reduces the concentration of carbon monoxide included in a hydrogen rich gas fed to fuel cells 20, has a carbon monoxide selective oxidation catalyst that includes a second element, such as lithium, in addition to ruthenium as a primary component. This arrangement enables the activity of the carbon monoxide selective oxidation reaction in the CO selective oxidation unit 34 to be kept at a sufficiently high level in a wider temperature range.

The invention discloses an enclosed methanol-water steam reforming fuel cell hydrogen source system, which comprises a methanol supplying device, a liquid oxygen device, a carbon dioxide storage device, a water storage device, and a methanol hydrogen producing device; wherein the methanol hydrogen producing device comprises an evaporation device, a reforming device, a combustion device, a carbon monoxide selective oxidation reactor, and other auxiliary systems; and the combustion device, reforming device, evaporation device, and carbon monoxide selective oxidation reactor are integrated into a module. According to the hydrogen production method, methanol and water are gasified by the evaporation device and then react in the reforming device to obtain reformed gas; then the reformed gas is processed by the monoxide selective oxidation reactor, the concentration of carbon monoxide in reformed gas is further reduced, and finally the reformed gas is introduced into the fuel cell system to carry out electrochemical reactions. The provided system has the advantages that the system operates in an enclosed space, the operability and safety of the system are both improved; the heat exchange and reactions are well matched, and the whole reforming hydrogen production system is high efficient and compact.

The invention discloses a manufacturing method of metal lead and zinc through waste slag with lead and zinc or low-grade lead or zinc oxide, which comprises the following steps: grinding lead zinc slag or lead zinc oxide into 0.1-1mm; stirring and leaching through strong base solution under 10-100 deg.c for 30-1000min; filtering; draining filtrate; electrolyzing filtrate directly to generate lead with current density at 100-1000A/m2 under 30-100 deg.c for 1-5h; stopping electrolyzing when tank voltage is improved to 1.8-2.5V; producing rough lead with 97-99.9% lead on the cathode; pressing; obtaining electrolytic refined lead; electrolyzing residual electrolytic liquid with zinc under 10-100 deg.c at 2.5-3.5V with current density at 500-1500A/m2 for 1-10h; drying zinc on the cathode protected by inert gas; obtaining one-grade metal zinc powder; circulating residual electrolytic solution in the alkaline leaching course directly.

A process for producing a clean wax product includes contacting, at an elevated temperature between 180° C. and 250° C. and at an elevated pressure between 10 bar and 40 bar, a synthesis gas comprising hydrogen and carbon monoxide with a cobalt slurry phase Fischer-Tropsch synthesis catalyst, in a slurry phase Fischer-Tropsch synthesis reaction. The catalyst is obtained from a successful catalyst support. A clean wax product containing less than 50 mass ppm submicron particulates of cobalt, is produced.

The invention discloses a method used for preparing Cu-Se composite oxide catalyst by a citric acid complex method, comprising the steps as follows: a. copper salt and Se salt are added in anhydrous alcohol solution; b. the citric acid is added in the mixed solution and mixed so as to be completely dissolved, and heated and continuously mixed till sol is generated; wherein, the molar quantity of the added citric acid is 0.5-5 times of the molar quantity of the Cu-Se; C. after the sol is heated, the sol is foamed rapidly to form loose and porous gel which is dried subsequently and roasted in a muffle furnace under the temperature of 300-900 DEG C, thus gaining the Cu-Se composite oxide catalyst. The method has simple preparation process; furthermore, the prepared CuO/CeO2 catalyst has extremely high catalytic activation on CO oxidation reaction.

The invention relates to a reaction system for alkyl nitrite and a preparation method for the alkyl nitrite. The preparation method comprises the following steps that: a trickle-bed reactor is adopted and porcelain ring filler is filled into the trickle-bed reactor; liquid added into the reactor forms liquid membranes on the filler; alkyl alcohol is taken as a liquid-phase raw material and nitric monoxide, oxygen and nitrogen are taken as gas-phase raw materials; and gas and liquid phases are reacted in the trickle-bed reactor by means of co-current flow or countercurrent flow under the condition of nitrogen protection so as to generate the alkyl nitrite. The mol ratio of the alkyl alcohol to NO is between 2 to 1 and 7 to 1, and the mol ratio of the NO to O2 is between 4 to 1 and 8 to 1; the reaction temperature is between 40 and 100 DEG C, and the reaction pressure is between 0.1 and 1.0 MPa; and the retention time of continuous feeding of liquid-phase alkyl alcohol in the trickle-bed reactor is between 10 and 500 minutes, and the retention time of continuous feeding of gas phase in the trickle-bed reactor is between 0.02 and 1 minute. The reaction system and the preparation method have the advantages that: the operating condition is mild; the reaction time is short; the conversion rate of the raw materials, and the selectivity and the yield of products are high; and the whole reaction system is convenient for realizing continuous production, etc.

A substrate having an annealed AlN layer includes a substrate made of a material selected from among a group including sapphire, silicon carbide (SiC), and aluminum nitride (AlN), and an aluminum nitride (AlN) layer formed on the substrate and having a thickness of 100 nm or greater. The aluminum nitride layer is annealed at a prescribed annealing temperature and in a nitrogen/carbon monoxide (N₂/CO) mixed gas atmosphere, and the nitrogen/carbon monoxide (N₂/CO) mixed gas has a mixture ratio of N₂ gas/CO gas in a range of 0.95/0.05 to 0.4/0.6.

This invention concerns a fluid catalytic cracking (FCC) process with reduced carbon monoxide emission which modifies the regeneration phase of the spent catalyst by using pure oxygen without the need for dilution when burning coke adhering to the catalyst. In addition, this invention improves the reconditioning stage of the catalyst, incorporating a reconditioner supplementary to a conventional reconditioner which employs nitrogen as a carrier gas in the reconditioning of the already regenerated catalyst.

The invention discloses a lithium ion battery anode material, and a preparation method thereof. The preparation method comprises following steps: 1, a carbon source is mixed with an organic solvent so as to obtain a sol A; 2, nano silicon monoxide, a surfactant, the carbon source, and the organic solvent are mixed so as to obtain a sol B; 3, the sol A and the sol B are taken as raw materials for electrostatic spinning so as to obtain a composite fiber with a double-layer structure, wherein a shell layer is formed by the sol A, and a core layer is formed by the sol B; and 4, the composite fiber is dried, is subjected to pre-oxidation, and then is subjected to calcination at an insert atmosphere. The process of the preparation method is simple and controllable; large-scale production is easy to realize; an obtained composite material is a carbon-coated flexible self-supported silicon monoxide/amorphous carbon composite fiber anode material; in charging-discharging process of lithium ion batteries prepared from the composite material, the volume change of silicon-based oxide anode materials is controlled effectively, electrode structures are maintained to be complete, first time coulombic efficiency is increased obviously, cycling life is prolonged, and electrochemical performance is excellent.

The invention relates to a subway carriage fire experiment table. The experiment table is same as a practical subway carriage in structure and is respectively provided with a door and a window at the left and the right; for the length, two ends of the experiment table are respectively provided with a front end door and a rear end door; the top inside the carriage experiment table is uniformly distributed with over three temperature probe strings inside the carriage; the upper part of the front end door is respectively provided with a temperature probe string, a speed probe string, an oxygen concentration probe and a monoxide concentration probe; one side of the exterior of the front end door is provided with a staff gauge; the middle-upper part inside the carriage experiment table is provided with an oxygen concentration probe and a monoxide concentration probe; and a camera system is arranged outside the window at one side of the experiment table. The experiment table is a large experiment table which first comprehensively and systematically researches heat release speed, smoke movement, fire detection and saving and the like of subway carriages, overcomes scale reduction and experiment error caused by a partial model experiment table, and ensures the repeatability of experiments.

Upon detection of a high carbon monoxide condition, an intelligent thermostat regulates operation of appliances that have sources of combustion which could be the source of or may exacerbate the high carbon monoxide condition. This hazardous condition is detected by a detector and communicated to the intelligent thermostat by wired or wireless communications. The intelligent thermostat then communicates with these appliances either via wired or wireless communications. The intelligent thermostat may also operate a ventilation system to flush the environment with fresh air to minimize or eliminate the hazardous condition. External and internal temperature sensors allow coordinated operation of the ventilating and heating systems to flush the environment with fresh air without causing a freezing condition to exist within the environment.

The invention discloses a silicon monoxide-based carbon negative electrode material, a negative electrode plate, a preparation method thereof and a lithium ion battery. Through special treatment of asilicon monoxide raw material (calcination, heat preservation, cooling to room temperature, and ball milling, dispersion of the silicon monoxide after ball milling to a sodium hydroxide solution witha concentration of 0.2M to 2M to prepare slurry, etching for 1h to 5h in a magnetic stirrer, and washing and vacuum drying treatment of the slurry to obtain silicon monoxide after pre-treatment), thecontent of oxygen in the silicon monoxide is changed, first effects of silicon monoxide can be effectively improved, the conductivity is increased, expansion is alleviated, and the purposes of improving the first effects of the material or improving the cycle performance of the material are thus achieved. Through improvement of the preparation process, the negative electrode material capacity execution ability is greatly improved, more graphite can be blended to relieve the strain and suppress the rebound, and at the same time, in combination of measures such as surface coating carbon, the material is higher compatible with the current commercial battery system.

A catalyst of removing the NOx, residual organic substance and CO from the oxygen-enriched tail gas from engine contains the porous inorganic carrier, silver, noble metal chosen from Au, Pt, Pd, Ph, Ir and Ru, and other metal chosen from Fe, Cu, Ti, Zr, Ba, Sn, W, Zn, Mo, Ce, Cs, La and Ca.

The invention relates to a method for producing a flame-retardant azo-ydroxymethyl resin modified reinforced wood material, which relates to a method for producing a flame-retardant modified wood material and aims at solving the technical problems that the existing azo-ydroxymethyl resin modified reinforced wood material has poor flame-retardant smoke-suppressant performance. The production method comprises the steps of weighing azo-ydroxymethyl resin, flame retardants, functional aids and water, mixing the materials to obtain a solution, then putting a wood material into the solution for dipping treatment, and drying and fixing the wood material to obtain the flame-retardant azo-ydroxymethyl resin modified reinforced wood material. The total heat release of the wood material is 22-28 MJ/m2 and reduced by 40 percent, the ignition time is 17-22 seconds and prolonged by 24 percent, the fire performance index is 0.062-0.095 and improved by 56 percent, and the mass fraction of residual carbon monoxide and carbon oxide is 31.08-37.5 percent and increased by 43 percent; the flame retardant performance is improved, and no environment pollution is produced, and the application field of azo-ydroxymethyl resin modified reinforced wood material is widened.

A composition of graphene-based nanomaterials and a method of preparing the composition are provided. A carbon-based precursor is dissolved in water to form a precursor suspension. The precursor suspension is placed onto a substrate, thereby forming a precursor assembly. The precursor assembly is annealed, thereby forming the graphene-based nanomaterials. The graphene-based nanomaterials are crystallographically ordered at least in part and configured to form a plurality of diffraction rings when probed by an incident electron beam. In one aspect, the graphene-based nanomaterials are semiconducting. In one aspect, a method of engineering an energy bandgap of graphene monoxide generally includes providing at least one atomic layer of graphene monoxide having a first energy bandgap, and applying a substantially planar strain is applied to the graphene monoxide, thereby tuning the first energy band gap to a second energy bandgap.

The invention provides nanocrystalline metal oxide with a p-n composite structure and a preparation method of the nanocrystalline metal oxide. The nanocrystalline metal oxide with the p-n composite structure is prepared from nanofiber which is formed by binding SnO2 nano particles and Co3O4 nano particles in series, has the diameter of 100-200nm and is indicative of n-SnO2@p-Co3O4. The n-SnO2@p-Co3O4 composite nanofiber is prepared by means of electrostatic spinning, cobalt salt and tin salt are dissolved into N,N-dimethylformamide (DMF) to prepare a spinning solution, and the components are spun in electrostatic spinning equipment and are calcined to obtain n-SnO2@p-Co3O4 nanofiber. A gas sensor is made of the n-SnO2@p-Co3O4 nanofiber material, so that the gas sensor is high in sensitivity on low-concentration CO at low operation temperature and is suitable for detecting trace of carbon monoxide in environment.

The invention relates to a fluorescent probe for measuring generation of nitric monoxide and application of the fluorescent probe. The fluorescent probe is copper complex formed by Cu<2+> and organic ligand 2-(2-hydroxy phenyl) benzimadazoles derivatives, and has the structure of a formula (I) or a formula (II). The complex can simply and quickly enter into viable cells for specific acquisition of cells or active NO in tissues, thereby the fluorescence intensity of the complex is obviously increased, consequently the complex can be applied to the detection of NO in a chemical system, analytic detection and fluorescence imaging detection of NO in viable cells or living tissues of organisms, the detection of NO in lesion tissues clinically, and real-time detection of NO of living biological systems. The fluorescent probe has high NO measurement sensitivity; the minimum lower detectable limit of the fluorescent probe is 17 nmol/L; the fluorescent probe has good selectivity on the NO; fluorescence change is quick before and after the reaction with the NO; and the fluorescence is stable. Simultaneously, the probe has good stability, can be stored for use for a long time, and is suitable for various environments of neutrality, subacidity and alkalinity.

An X-ray sensitive coating (22) for a flat panel direct conversion X-ray detector for medical or industrial imaging. A composite particle-in-binder (PIB) material (22) may contain X-ray photoconductive particles (23) such as PbO (lead monoxide) in a binder of polyimide (23). This PIB material may be prepared in precursor paste form, and applied as a coating (22) onto a thin film transistor array (26) having a storage capacitor (31) at each pixel (30). The coating (22) is cured, and an electrically conducting layer (34) is applied to the exposed surface of the coating (22), to provide a bias voltage. X-ray photons striking the photoconductive particles (23) cause localized electrical conduction proportional to the number of photons. This charges respective capacitors (31) that provide image data input to a computer.