17 results about "Organonitrogen compounds" patented technology

An integrated waste gas treatment system includes an adsorption / desorption device that receives a waste gas that includes an organic compound and an organic nitrogen compound exhausted from a semiconductor manufacturing facility, where the adsorption / desorption device adsorbs the organic compound and the organic nitrogen compound and concentrates and desorbs the organic compound and the organic nitrogen compound, and a catalytic decomposition device disposed adjacent to the adsorption / desorption device, where the catalytic decomposition device includes a catalytic chamber that provides a gas passage through which a gas desorbed from the adsorption / desorption device flows and an oxidation-reduction catalyst disposed in the gas passage that removes the organic compound and the organic nitrogen compound from the desorbed gas. The organic compound and the organic nitrogen compound are subjected to an oxidation treatment by the oxidation-reduction catalyst, and nitrogen oxides generated by the oxidation treatment are removed by a selective reduction reaction.

A process for removing contaminants from coal-derived phenols is described. The process combines an extraction process with at least two adsorption zones containing adsorbents. Liquid-liquid extraction and acid-base extraction processes can be used. The adsorbents can be clays and / or zeolites. The process can be used to reduce organic nitrogen compounds and organic sulfur compounds to levels below 10 ppmw and produce a colorless product.

Described herein is the use of a composition comprising one or more organic nitrogen compounds for cleaning the surface of a semiconductor substrate, wherein said surface comprises a binary metallic material comprising nickel and aluminium, and a respective composition. Moreover, described is herein a process for the manufacture of a semiconductor device involving said composition comprising one or more organic nitrogen compounds.

This invention discloses a method for preparing and applying porous adsorbent materials, relating to the field of environmental protection technology. The invention first modifies biomass with organic nitrogen compounds to obtain nitrogen-doped materials; then, it modifies the nitrogen-doped materials with a chemical activator to obtain intermediate products; finally, it obtains porous adsorbent materials through pyrolysis. This novel porous adsorbent material not only possesses abundant highly reactive active groups such as hydroxyl, carboxyl, and amine groups, but also has a large specific surface area (1500-1800 m²). 2 The material exhibits excellent adsorption performance for CO2 and VOCs. This invention utilizes internationally recognized "zero-carbon" renewable agricultural and forestry biomass as raw material to prepare porous adsorption materials. This not only realizes the resource utilization of biomass but also applies it to the adsorption and treatment of CO2 and VOCs in industrial flue gas, resulting in significant environmental and economic benefits and broad application prospects in the field of industrial flue gas treatment.

A mild and general method for tosyl protecting group removal from a protected organic nitrogen compound that is additionally suitable for use at commercial scale. A method for the removal of a tosyl protecting group from a protected organic nitrogen compound to form an unprotected nitrogen compound, including azabicyclo[3.1.0]hexane-6-carboxamide derivatives.

The present application relates to a kind of carbonyl sulfur hydrolysis catalyst, it includes carrier and active component, active component is organic nitrogen compound, organic nitrogen compound includes 1.0-3.0 weight% of pyridine nitrogen based on the total amount of carbonyl sulfur hydrolysis catalyst, carrier includes one or more of the following substances: Al2O3, mixture of Al2O3 and TiO2, mixture of Al2O3 and ZrO2;Active component content in the carbonyl sulfur hydrolysis catalyst is 5-30 weight%, carrier content is 70-95 weight%.The present application also relates to the preparation method of carbonyl sulfur hydrolysis catalyst and the method for removing carbonyl sulfur from material using the catalyst.The carbonyl sulfur hydrolysis catalyst has high activity, and also has very good stability, especially active component is not easy to lose, maintain high activity for a long time.

The present invention relates to an electrochemical oxygen reduction catalyst comprising metal particles and a modifier for modifying the metal particles, the modifier being an organic nitrogen compound, the organic nitrogen compound comprising a pyridine-type nitrogen and optionally comprising a quaternary nitrogen, and the organic nitrogen compound comprising at least one compound selected from the group consisting of nitrogen atoms and nitrogen atoms. The total content of the pyridine-type nitrogen and the seasonal nitrogen in the presence of the seasonal nitrogen is 40 g / eq or less.

The utility model relates to a nitrogen-containing wastewater denitrification system, which belongs to the technical field of wastewater treatment, has a relatively simple and practical overall structure, can improve the removal effect on pollutants, especially nitrogen pollutants, is relatively easy to operate, can intercept activated sludge, can effectively reduce sludge load, improves the removal rate of organic nitrogen compounds, and is suitable for industrial production. The device comprises a physicochemical treatment tank, a sludge treatment tank and a sludge treatment tank, a partition plate is arranged in the electrolytic tank and is used for dividing the electrolytic tank into an anode chamber and a cathode chamber; an aeration device main body is arranged at one end of the multifunctional tank, and an aeration head of the aeration device main body is arranged in the multifunctional tank; a biological denitrification system is arranged in the two-stage A / O tank; an activated carbon filter plate is arranged in the multi-medium filter tank, and one end of the multi-medium filter tank is communicated with a water drain pipe with a regulating valve; and a plurality of communicating pipes.

A theanine-containing composition contains theanine and an organic nitrogen compound. The organic nitrogen compound is preferably at least one selected from the group consisting of amide compounds, imide compounds, and primary amines. More preferably, the organic nitrogen compound is at least one selected from the group consisting of ethylformamide, ethylacetamide, and acetamide.

The present invention relates to an electrochemical oxygen reduction catalyst comprising metal particles and a modifier for modifying the metal particles. The modifier is an organic nitrogen compound, the organic nitrogen compound contains a triazine ring and fluorine bonded to the triazine ring via a covalent bond, and the fluorine content of the organic nitrogen compound is 29 g / eq or less.

To provide an electrochemical oxygen reduction catalyst having improved oxidation resistance.SOLUTION: The present invention relates to an electrochemical oxygen reduction catalyst including metal particles and a modifier that modifies the metal particles, the modifier being an organic nitrogen compound. The organic nitrogen compound includes pyridinic nitrogen and may further include quaternary nitrogen. Also, the organic nitrogen compound may have the total content of the pyridinic nitrogen and the quaternary nitrogen in the organic nitrogen compound is 40 g / eq or less.SELECTED DRAWING: Figure 2

This hafnium acid compound-containing substance contains hafnium, an organic nitrogen compound, and a solvent. The ratio (Ib / Ia) of the maximum XRD intensity (Ib) at a diffraction angle 2 [theta] of 5-6 DEG inclusive to the maximum XRD intensity (Ia) at a diffraction angle 2 [theta] of 31-33 DEG inclusive of a dry powder obtained by drying the hafnium acid compound-containing substance in a vacuum environment at 150 DEG C for 15 hours is 1.2 or more. The hafnium acid compound-containing substance according to the present invention contains hafnium, an organic nitrogen compound, and a solvent, and has a maximum transmittance of 70% T or more in a wavelength region of 550-700 nm.

An integrated waste gas treatment system includes an adsorption / desorption device that receives a waste gas that includes an organic compound and an organic nitrogen compound exhausted from a semiconductor manufacturing facility, where the adsorption / desorption device adsorbs the organic compound and the organic nitrogen compound and concentrates and desorbs the organic compound and the organic nitrogen compound, and a catalytic decomposition device disposed adjacent to the adsorption / desorption device, where the catalytic decomposition device includes a catalytic chamber that provides a gas passage through which a gas desorbed from the adsorption / desorption device flows and an oxidation-reduction catalyst disposed in the gas passage that removes the organic compound and the organic nitrogen compound from the desorbed gas. The organic compound and the organic nitrogen compound are subjected to an oxidation treatment by the oxidation-reduction catalyst, and nitrogen oxides generated by the oxidation treatment are removed by a selective reduction reaction.

The electrochemical oxygen reduction catalyst includes metal particles and a modifier that modifies the metal particles. The present disclosure relates to an electrochemical oxygen reduction catalyst, wherein the modifier is an organic nitrogen compound, the organic nitrogen compound includes a triazine ring and fluorine bonded to the triazine ring via a covalent bond, and the organic nitrogen compound has a fluorine content of 29 g / eq or less.

To provide a composition that imparts depth to the taste of theanine.SOLUTION: The foregoing problem is solved by a theanine-containing composition comprising (A) theanine and (B) an organic nitrogen compound, wherein it is preferable that the organic nitrogen compound (B) is at least one selected from the group consisting of amide compounds, imide compounds, and primary amines, and it is also preferable that the organic nitrogen compound (B) is at least one selected from the group consisting of ethylformamide, ethylacetamide, and acetamide.SELECTED DRAWING: None

The present invention provides a high-rate negative electrode material for lithium-ion batteries and a method for preparing the same. The method comprises: (1) adding an inorganic lithium salt, a nitric acid compound, an organic nitrogen compound, and an additive to water and mixing to obtain a solution A; (2) preparing a porous graphite composite material B doped with a rare earth compound; (3) adding the porous graphite composite material B to the solution A and adding a graphene oxide solution, mixing, filtering, washing, and vacuum drying to obtain an inorganic lithium salt-coated graphite composite; and (4) using an electrochemical deposition method to scan the inorganic lithium salt-coated graphite composite as a working electrode, washing, drying, high-temperature sintering, and pulverizing to obtain the lithium-ion battery negative electrode material. The technical solution of the present invention can improve the initial efficiency and the fast-charging capability of graphite, while also taking into account energy density and high-temperature performance.

The present disclosure relates to an electrochemical oxygen reduction catalyst comprising metal particles and a modifier for modifying the metal particles, wherein the modifier is an organic nitrogen compound, wherein the organic nitrogen compound comprises pyridine type nitrogen and may further comprise a quaternary nitrogen, and wherein the organic nitrogen compound has a total content of the pyridine type nitrogen and, if present, the quaternary nitrogen of 40 g / eq or less.