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WO/2003/048413A1 |
A mixer (1) capable of uniformly mixing gases with different weights, a thin−film manufacturing device with the mixer (1), and a thin−film manufacturing method using film forming gas formed by mixing the gases in the mixer, the mixer...
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WO/2003/045538A1 |
The invention relates to a method for purifying off-gases from a high-pressure melamine-producing installation, with formation of melamine intermediates. According to the inventive method, the off-gases are brought into contact, in a fir...
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WO/2003/039748A1 |
A device for extending a flooding limit of a packed column includes a stack of monolith segments (30, 32, 34) having a plurality of channels (10). The monolith segments (30, 32, 34) are stacked in order of increasing channel diameter.
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WO/2003/040847A1 |
A device for extending a flooding limit of a packed column includes a stack (62) of monolith segments (64, 66) having a plurality of channels (68, 70). The monolith segments (64, 66) are stacked in order of decreasing channel diameter in...
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WO/2003/031332A1 |
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 slag....
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WO/2003/031051A1 |
The invention concerns a reactor (1) for oxidizing reaction of a liquid with a gas containing oxygen divided into stages (14) by separating plates (10). The means (5-8) feeding the reactor (1) with compound to be oxidized (E1) and oxidiz...
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WO/2003/024582A1 |
A device or apparatus for contacting a liquid with a gas is provided. The device or apparatus has at least one gas inlet for introducing the gas into the liquid and a fibre housing with at least one liquid inlet and at least one liquid o...
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WO/2003/019097A1 |
The invention relates to a distributor (20) for micro-quantities of liquid, which produces a film of liquid over the width of an exchanger surface, said film being as thin and continuous as possible. Said distributor (20) comprises a sys...
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WO/2003/011452A1 |
A liquid−gas contact apparatus in which liquid (30) permeates a plurality of barrier walls from the outer circumferential surface side of a honeycomb structure (10) of porous material having a plurality axially−passing−through dist...
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WO/2003/011419A1 |
A liquid−to−gas contact device, comprising a liquid−to−gas contact medium formed in a honeycomb structural body partitioned by a plurality of partition walls, formed of a porous material having a plurality of through−holes pass...
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WO/2003/002240A1 |
The invention relates to a device for dissolving oxygen in a liquid contained within a reactor, provided with a vertical shaft (2) with a principal agitator (3), an air injection means (4), an oxygenated-gas injection means (5), placed a...
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WO/2003/000590A1 |
A method and a device for synthesizing a high orientationally arranged carbon nano−tube by using organic liquid, the method comprising the steps of depositing a film formed of metal elements on a substrate, exposing the substrate (3) h...
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WO/2002/098799A1 |
The present invention provides an apparatus (1) suitable for use in the treatment of liquid (31). The apparatus (1) comprises a high voltage electric discharge device (8) with a first electrode (24) and a second electrode (25) spaced apa...
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WO/2002/092549A1 |
The present invention relates to a process for producing aromatic dicarboxylic acids by the oxidation of dimethylbenzenes wherein the dimethylbenzenes are mixed with an oxygen containing gas, solvent and catalyst in a reactor, the improv...
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WO/2002/092216A1 |
An apparatus and method is disclosed for producing hydrocarbons according to the Fischer-Tropsch process. The apparatus comprises a catalytic distillation reactor (10) where reactants are fed into the catalytic distillation reactor (10) ...
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WO/2002/087723A1 |
The invention relates to a reactor (1) for gas/liquid or gas/liquid/solid reactions comprising a vertical longitudinal axis, a feed inlet (2) for a liquid or liquid/solid educt stream in the upper area of the reactor and for a gaseous st...
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WO/2002/083281A1 |
A delivery system for generating a sparging gas containing catalyst particles and delivering them to a flame zone (62) of a combustion reaction is disclosed. A catalyst mixture receptacle (2) for the delivery system includes a floating b...
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WO/2002/074734A1 |
A method for the production of synthesis urea from liquid ammonia and gaseous carbon dioxide, comprising the step of feeding separate flows (6, 8) of liquid ammonia and gaseous carbon dioxide in continuous to a substantially vertical or ...
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WO/2002/062462A1 |
The invention relates to a method for dosing catalysts into a reactor, wherein the catalyst is initially suspended in hydrocarbon in a receiving container, the suspension thus obtained is maintained in motion by agitation and fed into th...
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WO/2002/055465A1 |
A method for carrying out a reaction of one substance capable of being activated by a catalyst with another substance capable of reacting with said one substance activated, characterized in that the substance capable of being activated i...
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WO/2002/055187A1 |
A gas-liquid contact apparatus comprising: a contact tower (1A) constructed to cause a liquid to be treated to flow downward and a gas to flow upward; a rotary shaft (9) inserted vertically into the contact tower (1A); rotary members (10...
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WO/2002/051530A1 |
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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WO/2002/051534A1 |
An improved recirculating tank reactor (10) incorporating the advantages of a fixed catalyst includes a monolithic honeycomb catalyst (12) positioned within the tank in such a manner so as to provide an adjacent bypass passageway (20). I...
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WO/2002/049750A1 |
Methods and apparatus for treating a gas-liquid feed stream with structured monolithic catalysts of honeycomb configuration (12e-h) wherein the catalysts (12e-h) are configured as a stack of honeycomb sections with offset channels, the r...
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WO/2002/049753A1 |
The invention concerns a method for oxidising with an oxidising gas a liquid contained in a reactor (1) having a closed volume. The reactor (1) comprises at least means (4) for introducing gas in to the reactor and at least means (5) for...
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WO/2002/049751A1 |
The invention concerns an oxidising method by wet process oxidation or ozonization of a liquid contained in a reactor. The gaseous roof (20) is sucked into the liquid, the part undissolved in the liquid is recuperated in the gaseous roof...
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WO/2002/043847A1 |
The invention concerns a method, a module and a device for contacting a gas and a liquid. The method consists in distributing the liquid, in the presence of the gas, in jet form along a first direction on a wall sloping at an angle of 35...
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WO/2002/042202A1 |
The invention relates to a continuous oxidation method. According to said method, the substance to be oxidised and the oxidising gas are guided in counter-current and the oxidising gas is mixed with a substream, which contains a substanc...
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WO/2002/040147A1 |
The present invention relates to a mist reactor (1) of the vertical flow type. The mist reactor (1) comprises a reactor chamber (2); atomization means (4) arranged in the top of the reactor chamber (2) for atomizing a liquid to form a mi...
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WO/2002/034382A1 |
A carbamate condensation unit (1) of the submerged type for synthesis urea production plants comprising a tube bundle (5) for the condensation of gaseous compounds, is distinguished in that it further comprises a duct (19, 23), structura...
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WO/2002/034795A1 |
The invention relates to processes and plants for continuous solution polymerization. Such plant and processes include a pressure source, a polymerization reactor, downstream of said pressure source, pressure let-down device, downstream ...
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WO/2002/021622A1 |
The invention relates to a device for producing and simulating two-phase flows. The device is at least partially transparent, thereby allowing observation of the interior of the device. Two-phase flows, such as occur for example in fuel ...
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WO/2002/020443A1 |
The invention relates to chemical engineering and can be used for producing 1,2-dichloroethane by means of direct chlorination of ethylene in liquid dichloroethane. The aim of said invention is to increase the ratio of ethylene and the s...
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WO/2002/014215A2 |
The invention relates to a membrane reactor for the production of highly pure hydrogen from a hydrocarbon stream and steam, comprising a diffusion membrane, permeable to hydrogen and optionally a catalyst for the conversion of hydrocarbo...
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WO/2002/006153A1 |
The invention relates to a method and apparatus for controlling the dissociation of water into hydrogen and oxygen, the method including contacting a quantity of aqueous liquid with a quantity of dissociation initiating material in a rea...
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WO/2002/002535A1 |
The present invention relates to a vertical multitubular gaslift reactor for the production of melamine from urea at high pressure, said reactor comprising: a first lower zone (1) comprising a urea inlet (2) for molten urea and an ammoni...
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WO/2001/094254A1 |
A reactor for moisture generation completely preventing hydrogen gas from being ignited, back fire to a gas feed source side from occurring, and a platinum coating catalyst layer from being peeled off inside a reactor main body for moist...
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WO/2001/091897A1 |
This invention relates to a process for the continuous preparation of moderate to high viscosity reaction products requiring moderate to long reaction times (e.g. a polymer(s) including prepolymer(s)), specifically relates to the continu...
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WO/2001/087448A1 |
The invention relates to a wash column for the material and/or energy exchange between media, especially between a liquid trickling down and a gas or a lighter liquid mounting in a counter-current. The invention especially relates to a n...
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WO/2001/085613A1 |
A polycrystalline silicon which has bubbles therein and has an apparent density of 2.20 g/cm?3¿ or lower. In crushing, the amount of fine particles generated is extremely small and the silicon can be easily pulverized. This silicon is p...
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WO/2001/074479A1 |
The invention relates to chemical equipment, in particular to the internal arrangement of chemical reactors used for processing in a gas-liquid medium, and can be used for example, for synthesizing carbamide from ammonia and carbon dioxi...
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WO/2001/072700A1 |
The invention relates to an installation for the preparation of urea from ammonia and carbon dioxide, the installation comprising two reactor sections in a vertically placed combined reactor and a high-pressure condenser section. The ins...
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WO/2001/062392A1 |
A nozzle (10) for a sparging in an aerated reaction vessel (22) such as a froth flotation column or cell. A body member (24) has a coupling at an inlet end (12) for connecting the body member (24) to a sparger pipe (16). The body member ...
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WO/2001/060488A1 |
Gas-liquid contact tray comprising a bubble area and a plurality of downcomers having a downcomer opening, which downcomer openings are spaced in the bubble area, such that, when in use, a liquid enters the downcomer opening from opposit...
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WO/2001/060484A1 |
Gas-liquid contact tray comprising a bubble area and a downcomer opening, wherein on the boundary of the bubble area and downcomer opening a shield is positioned, which shield divides the space above the bubble area, which area is, when ...
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WO/2001/060485A1 |
Gas-liquid contacting tray comprising a bubble area and one or more rectangular downcomers which are longer in length than in width, which downcomer comprises two sloped downcomer walls along its length, a downcomer opening at tray level...
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WO/2001/060486A1 |
Gas-liquid contact tray comprising a bubble area and one or more downcomers provided at its upper end with a downcomer opening for receiving liquid, wherein the downcomer opening and downcomer is provided with a flow directing plate, whe...
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WO/2001/060487A1 |
Gas-liquid contact tray comprising a bubble area and one or more rectangular downcomer openings spaced within the bubble area, wherein a shield provided with a plurality of openings is present above the downcomer opening and which shield...
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WO/2001/060483A1 |
Gas/liquid contact tray (10, 20) for use in a column for counter-currently contacting gas and liquid, which tray (10, 20) comprises a perforated panel (11, 21) of which the area is divided in two or more parallel sections wherein the odd...
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WO/2001/060482A1 |
Gas-liquid contacting column provided with a plurality of axially spaced trays, each tray having two tray sections separated along a diametrical line on the tray, each tray section comprising a plurality of parallel rectangular downcomer...
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