263results about How to "Speed up chemical reactions" patented technology

The normal pressure plasma polishing method is provided. The normal pressure plasma polishing method includes providing plasma gas and reaction gas in the volume ratio of 4-1000; and starting RF power source and increasing power gradually while controlling the reflected power to zero, with the initial effective power being 180-240 W, normal power being 400-1200 W, and maximum power being 1500 W. The present invention realizes super smooth surface machining by means of plasma chemical reaction at normal pressure, and has no need of vacuum chamber, low cost, wide application range, high machining efficiency, no surface damage and contamination, and high surface smoothness up to 1nm Ra.

The invention relates to a movable microwave emergency device for treating sewage, which comprises a carrier and a microwave sewage treatment system arranged on the carrier. The microwave sewage treatment system comprises a microwave reactor (2), a sedimentation filtering reactor (3) arranged on the lower part of the microwave reactor (2) and connected with the sewage outlet of the microwave reactor (2) through pipes, and a sensitizer arranged on the upper pipes of the microwave reactor (2) as well as an adding set (4) of other water treating agent. The movable microwave emergency device solves the technical issues that the current microwave sewage treatment system can not meet the requirement in terms of size for the vehicle and the utilization efficiency of the microwave is low. Particularly, the movable microwave emergency device is applicable to continuously treat the sewage generated by unexpected events and produced by enterprises with a little sewage producing quantity.

The invention discloses a carbon black reaction furnace and a carbon black production method. A spray gun for injecting hydrocarbon gas flow is arranged at the upper end of a furnace body in the reaction furnace; a carbon black outlet is formed at the lower end of the furnace body in the reaction furnace; an electric-arc nuclear zone is formed on the middle section of the furnace body; a plasma generator is arranged on the side surface of the electric-arc nuclear zone; and the plasma generator is used for generating electric-arc nuclear, which is formed by air plasma, at the center of the electric-arc nuclear zone. The carbon black production method is used for increasing the carbon black chemical reaction speed, improving the reaction yield, changing the reaction process and initiating new chemical reaction by adopting a plasma ultrahigh-temperature combustion technology, so that the carbon black microcrystal generation process is interfered and the surface roughness of the carbon black nanometer dimension is improved to obtain the carbon black product with the nanometer structure.

Chemical reaction is effected utilizing light of an appropriate frequency supplied preferably via optical fibers to one or more light extractors having light-emissive surfaces in contact with reactants. The light can be concentrated before being delivered. Wave guides and a plurality of such extractors can be provided within the vessel.

The chromatographic reactor includes three or more packed columns cascaded successively. The inlet end of each packed column is connected via a separated switch-type valve to the inlet pipe for material liquid to enter and the inlet pipe for eluting liquid to enter; and the outlet end of each packed column is connected via a separated switch-type valve to the outlet pipe for residual liquid with enriched weak sorptive component from reacted product to drain and the outlet pipe for extracting liquid with enriched strong sorptive component from reacted product to drain. By means of controlling the switch state of the valves, the present invention performs, chromatographic separation and reaction simultaneously, so that the reactor can run continuously with high reaction converting rate and high produce separating efficiency. The present invention is especially suitable for chromatographic separation course of different products and of product and reactant.

Use of a high shear mechanical device in a process for production of acetyl salicylic acid, by contacting acetic anhydride with salicylic acid in a high shear device. The disclosed process makes possible a decrease in mass transfer limitations, thereby enhancing production of acetyl salicylic acid. A system for production of acetyl salicylic acid is also provided in which a reactor is configured to receive the output from a high shear device, which is configured to receive, via one or more inlets, acetic anhydride, and salicylic acid and generate a fine dispersion or emulsion of reactants.

A method of processing lignocellulosic material includes the steps of comminuting the material to a size that it can be processed in a hydrothermal pressure vessel, drying the material in moving air to obtain a specific moisture content, packing the material into the vessel and subjecting the material within the vessel to steam under pressure, decompressing the vessel to return the temperature and pressure to ambient and drying the product to specific moisture content; the product so formed can be used for injection moulding or to form panel boards and the like.

The invention relates to a compound curing agent for dredged silt and a preparation method thereof. The compound curing agent for dredged silt comprises the following components in parts by weight: 20-30 parts of aluminum sulfate cement clinker, 30-40 parts of expandable graphite, 5-10 parts of organobentonite, 3-8 parts of pozzolanic material, 1-3 parts of calcined diatomite, 3-5 parts of enhanced aggregate, 6-12 parts of quicklime, 10-15 parts of sodium hydroxide, 8-10 parts of expansible resin, 5-8 parts of sodium silicate and 5-8 parts of carbon fiber. The curing agent provided by the invention combines the respective advantages of multiple traditional soil stabilizers, and the various effective components are organically combined together according to a proper ratio, thereby giving full play to the characteristics and synergistic action of the components. The curing agent provided by the invention has the advantages of favorable early strength performance, excellent strength stability, favorable water stability and the like, can obviously improve the properties of silt such as high water content, low strength and the like, and converts the waste dredged silt into a reproducible geomaterial for utilization, thereby achieving excellent curing effects and economic effects.

An apparatus for processing a peripheral portion of a substrate includes a housing and a spin chuck mounted within the housing and configured to support the substrate in a substantially horizontal orientation. The apparatus also includes a fluid dispense nozzle coupled to the housing and proximate to the peripheral portion of the substrate. The fluid dispense nozzle is in fluid communication with a source of a chemical and configured to direct a flow of the chemical to the peripheral portion of the substrate located at a first radial distance from a center of the substrate. The apparatus further includes a light guide optically coupled to a laser source. The light guide is configured to direct radiation to the peripheral portion of the substrate located at a second radial distance from the center of the substrate greater than the first radial distance.

The invention provides a small-sized multifunctional online sample optical detection room which comprises a circulating detection pool, a constant-temperature ultrasonic water tank and an ultrasonic transducer, wherein the circulating detection pool is positioned in the constant-temperature ultrasonic water tank; distilled water is filled in the constant-temperature ultrasonic water tank; the lower 2 / 3 part of the circulating detection pool is submerged in the distilled water; and the ultrasonic transducer is arranged at the bottom of the constant-temperature ultrasonic water tank and connected with an ultrasonic generator. In the small-sized multifunctional sample detection room provided by the invention, an ultrasonic cleaning technique is used as reference; the circulating detection pool is installed in the small-sized ultrasonic water tank; the cleaning of the circulating detection pool and the stirring of the sample reaction system in the circulating detection pool are realized by utilizing an ultrasonic cleaning and stirring technique; and simultaneously, because an ultrasonic water bath technique is adopted, the water bath constant temperature of the circulating detection pool can be realized, the detection room has the three functions of stirring, cleaning and constant temperature of the circulating detection pool, and the structure of the detection room is simplified.

The invention relates to a preparation method of a heterogeneous catalyst of organic coordination compounds of mesoporous structure metals, belonging to a preparation method of heterogeneous catalysts. Theterogeneous catalyst prepared by the prior art has the defects that the utilization ratio of surface active composition is limited, the direction of catalytic reaction can not be controlled easily, and the activity and the selectivity can not reach the optimal effect. In the invention, the preparation method of the heterogeneous catalyst of organic coordination compounds of mesoporous structure metals comprises the following steps of: mixing zirconium tetrachloride, 1,4-terephthalic acid and N,N-dimethylformamide solvent under the condition of microwaves, and stirring the mixture at room temperature until the solution is clear; adding the solution into a microwave reactor for microwave heating, removing the supernatant solution, and washing the residual solid matters with the N,N-dimethylformamide solvent; and drying the washed matters in a vacuum mode to obtain the heterogeneous catalyst. The invention has the advantages of simple process and easy operation; the prepared heterogeneous catalyst has efficient catalytic activity; and the catalyst can be recycled, thereby reducing the production cost and decreasing the environment pollution.

A method of use for a high shear device incorporated into a process or system for the production of acetaldehyde from ethylene as a reactor device is shown to be capable of decreasing mass transfer limitations, by forming a feed stream emulsion, and thereby enhancing the acetaldehyde production process in the system.

The invention relates to a waste gas recovery system device of a noise elimination and air cooling static catalytic cracker of an internal-combustion engine, comprising a tail gas recycling device, atail gas recycling nozzle, a tail gas recycling connecting pipe, an engine exhaust system, an exhaust pipe, an air cooling static noise eliminator, an ozone generator, an air cooling static NOX catalyst, an exhaust flow divider, an air cooling NOX catalyst, a semiconductor refrigerator, an axial flow fan, an air cooling particle catcher and an air cooling static mixing catalyst. The waste gas recovery system device is connected with an air supplying system and an oil line system so as to form new external three systems. The invention is suitable for a plane, a steamship, a diesel engine generating set, an internal-combustion locomotive, a motorcycle, a gasoline car, a diesel car, an oil drilling diesel machine, an industrial boiler, a domestic gas cooker, and the like, has simple and convenient installation, i.e. an original system of the internal-combustion engine is taken down and replace with the new system, can save the oil by 15-30 percent without exhaust pollution, prolongs the service life of the internal-combustion engine, is a major energy-saving brainstorm project during the Eleventh Five-Year Plan and is the major breakthrough of the waste gas recovery system--the reformation of the external three-system of an engine in 21 century.

A method for alkylating a hydrocarbon comprising at least one isoparaffin and at least one olefin by introducing liquid acid catalyst and the hydrocarbon into a high shear reactor, forming an emulsion comprising droplets comprising hydrocarbon in a continuous acid phase, wherein the droplets have a mean diameter of less than about 5 μm, introducing the emulsion into a vessel operating under suitable alkylation conditions whereby at least a portion of the isoparaffin is alkylated with the olefin to form alkylate, and removing a product stream comprising alkylate from the vessel. A system for carrying out the method is also disclosed.

The invention relates to a capacitor coupling radio normal-voltage plasma saw used in ultra-smooth surface machining, especially providing a plasma polishing device. Wherein, the invention is purposed to solve the problems of general mechanical polishing method, as low efficiency, high cost and worse maintenance, etc. It forms a water cold annular space (13) between the outer wall of cathode (6) and the inner wall of outer sheath (9), and arranges the anode water cold tube (1) inside the chamber (16) of anode (5). The invention can avoid vacuum room, while its efficiency is 10 times of traditional polish method, and it will not hurt the surface. The invention can realize high-efficiency high-quality treatment on the optical element.

The present invention relates to an optical imaging system communicatively connected to a microwave energy producing source wherein the combination provides for increases in chemical reaction times and the ability to monitor the reactions in real time with sufficient resolution to view the location of intracellular components labeled with luminescent molecules as well as interaction with other biomolecules and responses to localized environmental variables in living cells and tissues during the application of a microwave field.