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JP4724341B2 |
The invention relates to a method of producing ethyl acetate by reaction of ethyl alcohol with acetic acid and/or acetic anhydride in the presence of a solid acidic catalyst accompanied by simultaneous distillation separation of reaction...
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JP4710048B2 |
A hydrogen generator comprising a container for holding a liquid containing a hydrogen compound, an air bubble-forming means for forming air bubbles in the liquid, an electromagnetic wave generator for irradiating the liquid with an elec...
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JP2011104577A |
To provide a method for producing concentration of heavy nitrogen, that reduces penetration of SO2 into H2SO4 by-produced inside a reflux tower.In the method for producing concentration of heavy nitrogen, nitrogen monoxide gas is formed ...
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JP4686479B2 |
Liquid-vapour distribution device for use in two-phase concurrent down-flow vessels, having a level, horizontal tray being perforated with holes, each perforation through the horizontal tray being fitted with a vapour lift tube, the vapo...
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JP2011088033A |
To provide an apparatus for carrying out a gas-liquid reaction, capable of continuously and efficiently carrying out a stable gas-liquid reaction of a liquid and a gas with a high volume ratio of the gas relative to the liquid, via a sep...
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JP4676151B2 |
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JP4671572B2 |
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JP4672948B2 |
The present invention relates to a contact device (1) comprising a structured packing (8) placed between an inlet (3), located at the lower part (2) of the device, for an upwardly directed gas flow, and an outlet (4) at the upper part (5...
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JP4653310B2 |
The invention relates to a process for carrying out gas-liquid reactions in a continuous flow reactor having several reactor chambers arranged parallel to one another, open in the direction of flow. The space-time yield can be increased ...
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JP2011036859A |
To provide a contact device which can prevent a liquid droplet from being formed by improving the flow of a gas and a liquid inside a packing, and also, can exclude the use of a liquid droplet separator by preventing the liquid droplet f...
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JP4638646B2 |
The invention is a continuous process for the preparation of polytrimethylene ether glycol from 1,3-propanediol reactant. In addition, the invention is directed to a continuous multi-stage process comprising reacting at least one reactan...
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JP4623926B2 |
The tray column (1) has downcomers (3) for transporting a liquid between adjacent trays (2). The liquid transport takes place in each downcomer through a plurality of discharge apertures (32) onto a loaded tray. Liquid flows out of the d...
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JP4620660B2 |
The invention relates to a method and apparatus for providing a reactor having a heater, a passage for transporting a reactant, and a chamber containing a gas sample and being coupled to the passage for receiving the reactant and mixing ...
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JP4615079B2 |
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JP4593869B2 |
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JP4585245B2 |
A reactor, used for reactions between liquid/gas, or gases/liquids/solids, and has a vertical longitudinal axis with an educt feed pipe in the upper part of the reactor. Incoming gas (3) enters via an aperture in the base (5), and is dis...
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JP4570821B2 |
Vapor-liquid contacting equipment includes a contact column in which a test liquid flows from top to bottom and a vapor flows from bottom to top, a rotary shaft which is inserted vertically in the contact column, rotors which are provide...
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JP4568876B2 |
Synthesis gas for FT synthesis is produced using a producing apparatus including an active carbon adsorbing vessel for adsorbing impurities in a natural gas, a hydro-desulfurizer for hydrogenating and desulfurizing sulfur content in the ...
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JP2010234282A |
To provide a producing method of a regular filling material capable of being easily and surely assembled without deforming a plurality of gas-liquid contact plates which are members of the regular filling material, and to provide a filli...
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JP4560194B2 |
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JP4558868B2 |
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JP4540665B2 |
The invention relates to a method for production of acetylene by hydrolysis of calcium carbide, characterised in comprising an initial step (a) of addition of a water-soluble reducing salt to the water which reacts with the dissolved oxy...
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JP4542093B2 |
A mass transfer column ( 10 ) is provided with at least one vapor-liquid contact tray ( 12 ) that is disposed within the open internal region ( 14 ) defined by a shell ( 16 ) of the column ( 10 ). At least one expansion ring ( 26 ) under...
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JP4524410B2 |
An aerosol delivery apparatus is used to deliver an aerosol into a reaction chamber for chemical reaction to produce reaction products such as nanoparticles. A variety of improved aerosol delivery approaches provide for the production of...
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JP4510950B2 |
There is provided a method for loading solid particles into a multi-tube reactor having an upper tube-sheet holding together the upper ends of the multitude of reactor tubes, the method comprising positioning a loading device having a pl...
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JP4510153B2 |
The present invention relates to a semi-continuous method for the production of polyadducts of alkylene oxide by an addition reaction of alkylene oxide on a chain initiator having at least one active hydrogen. In the method of the presen...
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JP4489756B2 |
A thermally diluted exothermic reactor system is comprised of numerous orifices distributed within a combustor by distributed perforated contactor tubes or ducts. The perforated contactors deliver and mix diluent fluid and one or more re...
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JP4490275B2 |
Vapor and liquid passing downward through a vessel are brought into contact within a plurality of distributor assemblies arranged across a horizontal distribution tray located within the vessel. The distributor assemblies have fluid flow...
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JP4469630B2 |
Production of diisocyanates comprises phosgenation of the corresponding diamine comprises separately heating the diamine vapor, optionally diluted with an inert gas or inert solvent, and phosgene at 200-600 [deg]C and feeding the diamine...
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JP2010100572A |
To provide a bubble column having excellent characteristics of quickly and surely detecting abnormal bubbling of liquid in the vicinity of a liquid level in the bubble column by a relatively simple apparatus and a method for operating th...
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JP4455063B2 |
A process vessel containing both an evaporation zone for evaporating a liquid feed and a treatment zone for treating the resulting vapor comprises an injector having an orifice, the orifice being in the evaporation zone, at least one eva...
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JP4436682B2 |
The present invention relates to a reactor suitable for liquid-phase fluorination and provided, as heating means, with at least one element fixed to the cover so as to be immersed to the bottom of the vessel, characterized in that the pa...
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JP4440607B2 |
To solve the problem that it is necessary to provide a wasteful space on the upper part of an air bubble container is required in order to install a pressure detection seat in the use of the air bubble container when a flow rate of suppl...
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JP2010051959A |
To provide a method for equally dividing a current of a fluid, particularly, the current of a liquid, in which dissolved and/or suspended substances are contained, in a chemical plant without forming sediments of the dissolved and/or sus...
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JP2010505612A |
A spray tower (20) for improving contact between a gas stream (22) and a fluid (24). The spray tower (20) includes a tank (26) having an inlet (32) and an outlet (34), and a plurality of spray nozzles (28) positioned in the tank, each of...
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JP4413416B2 |
To provide a wet wall used for a gas absorber and having improved oil film retentivity, a wet wall material, and a gas absorber. The gas absorber wet wall is excellent in liquid film retentivity and is prepared by wetting a stainless ste...
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JP2010023023A |
To keep the consumption of a reactive gas to the minimum.A gas-liquid reaction apparatus is provided with: a reaction vessel 10 having a reaction space 11; a liquid material supply unit 20 for supplying a liquid material, containing a re...
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JP4408625B2 |
A bubble cap (100) has a riser (120) and a cap (130), separated by a divider (140) that extends to a length at least 50 % of a distance measured between the top of the riser (122) and the bottom of the cap (134). In another aspect, the r...
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JP2010018629A |
To provide a method for easily oxidizing a starting material, particularly an organic starting material, using an oxidant so as to obtain a product by a technically easy, economical method.The method for obtaining a product mixture conta...
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JP4399651B2 |
To dispersedly and uniformly shower a fluid in a tank. A fluid is dispersedly and uniformly showered over the whole region in a tank 1 by this fluid feeder. The feeder is provided with a fluid inlet pipe 4 arranged at the upper part of t...
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JP4393701B2 |
Peroxides are prepared from organic compounds and oxygen in a reaction vessel by introducing organic compound and oxygen to the reaction vessel and by simultaneously withdrawing a first liquid product stream from adjacent the top of the ...
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JP4391694B2 |
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JP4392085B2 |
Provided are a packed column arranged so as to be capable of effectively preventing polymerization of a polymerizable compound such as a (meth)acrylic acid in treating the compound, and a method for treating a polymerizable compound usin...
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JP4392247B2 |
A bubble cap ( 400 ) has a cap ( 430 ) with at least one slot ( 495 ) and a riser ( 420 ), configured with a skirt height ( 460 ) of at least 4 cm, such that 1.5*Skirt Height (cm)+[Slot Length (cm)-Exposed Slot Height (cm)] is greater th...
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JP4381670B2 |
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JP4375997B2 |
A method of producing an organic compound, which includes the steps of irradiating a reaction solution with an electromagnetic wave having a wavelength range of 900 MHz to 30 GHz to heat the solution, thereby producing the organic compou...
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JP4373001B2 |
A method and reactor system for catalytic hydrotreating and hydrocracking liquid hydrocarbon feedstock for producing a cracked liquid feedstock having a reduced contaminant level involves introducing the feedstock into the first reaction...
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JP4354341B2 |
A reaction apparatus which is used for conducting a gas-liquid chemical reaction in a state that a liquid is in a continuous phase, wherein its reactor has therein a shear type stirring impeller for dispersing a raw reaction gas or a car...
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JP4342308B2 |
The invention relates to an apparatus for continuous slag treatment of molten silicon for removal of one a more impurity elements from the silicon, the apparatus comprising a vessel ( 1 ) intended to contain molten silicon and liquid sla...
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JP4330843B2 |
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