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WO/1997/011973 |
The invention relates to a thin-film treatment device with a cylindrical treatment vessel and a rotor fitted centrally therein and having agitators which are movable and are inclined at an angle 'alpha' to the rotor axis, in which the ro...
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WO/1997/010194 |
A process for ammonia and methanol co-production in a plant comprising a secondary reformer section, a high-temperature CO conversion section and a low-temperature CO conversion section, arranged in series, and an ammonia synthesis secti...
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WO/1997/006886 |
The present invention provides a method for the thermal treatment of material in a rotating conical chamber (4) placed in a housing (1). According to the invention material, brought into the rotating chamber (4) and ejected due to the co...
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WO/1997/005061 |
The invention refers to the equipment designed for continuous production of precipitated calcium carbonate from low concentration lime milk provided for introduction of flue gases with CO2 content. The precipitated calcium carbonate prod...
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WO/1997/003927 |
A method of contacting a gas and a liquid comprises providing an elongate substantially cylindrical reactor (1) having adjacent a first end thereof an inlet region (4) of reduced cross sectional area, introducing at least some of the gas...
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WO/1997/003044 |
A process and device are disclosed for preparing (cyclo)aliphatic biuret groups-containing polyisocyanates from (cyclo)aliphatic diisocyanates and steam or a dehydrating substance as reactives that are mixed with each other in a stirring...
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WO/1996/040373 |
A method and apparatus are disclosed for injecting vaporizable material, such as a vaporizable waste, into a molten bath. A gas is injected into the molten bath at a rate which is sufficient to cause the gas and the molten bath to form a...
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WO/1996/040610 |
Methods and devices for making intermediate oxidation products by atomizing a first liquid containing a reactant into a gas containing an oxidant in a manner to form an intermediate oxidation product different than carbon monoxide and/or...
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WO/1996/040427 |
A process for producing a substantially dry polymer particle powder. A mixture of polymerization reagents is formed from a mixture of at least one monomer source and a solvent selected from the group consisting essentially of water and o...
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WO/1996/031442 |
The invention concerns an arrangement for oxidizing an aqueous medium containing organic and/or oxidizable inorganic substances at high temperature and high pressure. In a reactor the aqueous medium is exposed to oxygen in order to reduc...
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WO/1996/030117 |
Multitube falling film reactor (MTR) for continuous manufacturing of sulfonated and/or sulfated products using gaseous, diluted sulfur trioxide, (SO3(dil)) to produce surface active agents or simply surfactants, useful in the cosmetic an...
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WO/1996/029136 |
Method and apparatus for creating gas-liquid contact for highly efficient mass transfer between gas and liquid comprises a gas-liquid contactor assembly (100) including a hollow porous tube (101) surrounded by an outer jacket (108) defin...
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WO/1996/027412 |
A method and an apparatus produce a product in at least one phase from an organic component in a feed gas stream. The method includes forming a process zone including a process molten bath and a process gas space disposed over the proces...
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WO/1996/027434 |
In a reaction container for the continuous chemical treatment of liquids, in particular effluents, with a liquid inlet duct and a liquid discharge duct (3 and 4 respectively) at the two end faces, and with a container outer casing (1) wh...
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WO/1996/022826 |
A device for contacting a gas with a liquid, including a chamber (10) containing different levels of perforated plates (12, 34) forming liquid trickle-down surfaces, the perforated plates (12) on one level being symmetrically arranged on...
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WO/1996/020773 |
A waste gas scrubber includes a hollow, cylindrical atomizer, mounted rotation about its longitudinal axis. The atomizer is partially submerged in a pool of liquid. The atomizer has relatively large openings at its two ends, and has a pl...
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WO/1996/016732 |
The invention concerns a gas generator (20) for the production of a gas by chemical reaction between an educt gas and a liquid, the gas generator including a closed reaction chamber (22) with a liquid-feed line (104), a liquid-outlet lin...
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WO/1996/016107 |
The invention provides a continuous process for the preparation of polyamides, equipment in which the polymerization process can be conducted, and process control methods for said polymerization process.
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WO/1996/007467 |
A method of removing organic contaminants from a process gas by collecting the process gas, injecting an absorption liquid into the process gas to form a two-state absorption liquid and process gas mixture, communicating said mixture thr...
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WO/1996/007474 |
A method for in-situ modernization of a reactor for urea synthesis at high pressure and temperature of the type wherein a co-current flow of a gaseous phase and a liquid phase takes place, comprising a vertical tubular shell (2) in which...
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WO/1996/006045 |
In a method of purifying contaminated liquids and gases, a continuous surface film (31) is produced by means of a nozzle (15) and is simultaneosuly irradiated by a suitable radiation source (17), e.g. an UV lamp. The surface film (31) is...
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WO/1996/005138 |
A method and apparatus for safely producing hydrogen peroxide by injecting dispersed minute bubbles of hydrogen (28) and oxygen (34) into a rapidly flowing liquid medium (24). The minute bubbles are surrounded by the liquid medium of suf...
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WO/1996/002470 |
An apparatus is provided for oxidizing an aqueous suspension of organic matter at elevated pressure. The apparatus has a reactor (10) and an inlet (44) for the aqueous suspension which is introduced to an upstream end of the reactor. A d...
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WO/1995/035161 |
A membrane reactor (10) for gas or gas/liquid reaction comprising a reaction chamber (12), a permeable membrane (14) in the reaction chamber, a catalyst supported in the permeable membrane, a gaseous reactant inlet (46) to the reaction c...
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WO/1995/035325 |
A continuous process for functionalizing olefins, especially polymer olefins in a CSTR or pipe reactor. Esters are preferably produced by continuous reaction of the olefin with carbon monoxide and a nucleophilic trapping agent. The liqui...
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WO/1995/034370 |
The specification discloses a gas dispersion pipe in which a gas is introduced via an upper and thereinto, which is ejected via a lower end into a liquid to carry out a gas-liquid contact operation, and gas-liquid contact method and appa...
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WO/1995/034510 |
In a method for biological purification of waste water, especially industrial effluent, the water which has to be treated is introduced together with oxygenous gas through a nozzle device into a reaction tube located in a closed reactor ...
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WO/1995/033552 |
Sulfur oxides (SOx) are scrubbed from combustion effluents with aqueous limestone slurries with greater efficiency due to the use of an improved entrainment separator (130). In the preferred embodiment of a single-loop, counter-current l...
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WO/1995/033547 |
Sulfur oxides (SOx) are scrubbed from combustion effluents with aqueous limestone slurries single-loop, open-tower countercurrent limestone wet scrubbers. Effluent flow rates are greatly increased while L/G values and reaction tank (150)...
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WO/1995/031278 |
A reactor for two-phase reaction, in particular for urea synthesis at high pressure and temperature of the type wherein a co-current flow of a gaseous phase and a liquid phase takes place, comprises a substantially cylindrical vertical e...
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WO/1995/029752 |
This invention relates to a vertically disposed polymerization reactor (2) having a series of essentially circular tray assemblies (10); each tray assembly (10) having a central open vapor chimney (18) and two split-flow paths (26) each ...
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WO/1995/029753 |
This invention relates to a vertically disposed polymerization reactor (2) having a series of essentially circular tray assemblies (10); each tray assembly (10) having a central open vapor chimney (18) and a single flow path (26) compose...
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WO/1995/022401 |
A reactor (20B) includes a reaction vessel (22B) that defines a reaction chamber (24B). Completely or partially within the reaction chamber is at least one spiroid (28B). The spiroid (28B) is operably associated with the reaction vessel ...
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WO/1995/014526 |
A method for the treatment of chemical wastes, particularly recalcitrant wastes such as spent caustic from the oil, gas, chemical and petrochemical industries, in which normally slow physical mass transfer of gases between phases, and ot...
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WO/1995/014636 |
A continuous process of preparing hypochlorous acid comprising steps of: (a) contacting droplets (103) of an aqueous solution of a metal hypochlorite (101) having a volume median diameter of less than 500 micrometers with chlorine gas (1...
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WO/1995/011418 |
A fluid medium such as a gas and a liquid medium are interacted within a convoluted array (108) of tubes (106), wherein the liquid medium is present as "rain-fall" rather than flooding the array of tubes (106) with a heat transfer medium...
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WO/1995/010482 |
A process and apparatus for the production of litharge, in which molten lead is reacted with oxygen at a temperature above the melting point of litharge, whereby litharge is formed as a liquid product. In a preferred embodiment, oxygen i...
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WO/1994/029017 |
A multi-phase staged passive reactor (10) for promoting interphasic interaction of a first substance in a liquid phase with a second substance in a non-miscible liquid phase, a solid phase or a gaseous phase. The reactor comprises a plur...
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WO/1994/029018 |
An exothermic chemical reaction, for example, hydroformylation, is carried out in a series of loop reactors (10, 20, 30). Fresh reactant feed is supplied not only to the first reactor (10) in the series but also to the second reactor (20...
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WO/1994/029010 |
A catalytic distillation structure (10) having a plurality of corrugated vertically disposed catalyst containing elements (12) separated by inert spacing elements (24) is disclosed. The catalyst containing elements (12) each have two lay...
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WO/1994/023813 |
Prior to carrying out a gaseous phase chemical reaction, a liquid phase organic compound which is prone to degrade is vaporised at elevated pressures with the aid of a second compound. In one embodiment of the invention, vaporisation is ...
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WO/1994/023259 |
A heat exchanger (10) for extracting thermal energy from a process fluid comprises a first group of at least one plate-fin heat exchange module (34a) and a second group of at least one plate-fin heat exchange module (34b). Each heat exch...
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WO/1994/020207 |
An exothermic process for forming a product which may be in a liquid phase is disclosed wherein a first reactant (3), preferably a liquid reactant, is directly fed into a reaction zone (10) containing mixing elements (12, 58) and which c...
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WO/1994/013709 |
A Koch functionalized product which is the reaction product of at least one polymer having a number average molecular weight of at least 500 and at least one ethylenic double bond per polymer chain, with carbon monoxide and a nucleophili...
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WO/1994/008682 |
A reaction with distillation structure (11) utilizes a plurality of distillation trays (12) and catalyst containers (18) which provide a catalytic reaction zone and a primary flow path for descending liquid streams. Catalytic reaction of...
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WO/1994/003566 |
Fatty materials are hydrogenated in a plate heat exchanger at a pressure above about 150 psig. The use of high pressure and high shear as provided by the appropriate surface to volume ratio and pressure drop in the heat exchanger, enable...
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WO/1994/001210 |
A reactor for introducing a gas into a fluid comprises a mixing tank (12, 43) for the fluid and a partition means (13, 45) for dividing the tank into at least two chambers (21, 89) and (23, 91). The reactor further comprises a first pump...
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WO/1993/022240 |
A biogas reactor has a housing totally or partially filled with an active biomass, a gas collection chamber for collecting the gasses that bubble up from the fermenting suspension and a gas bubble-poor sedimentation chamber for the sedim...
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WO/1993/019836 |
Components, usually but not exclusively gaseous components, are removed in a liquid medium from gas streams and chemically converted into an insoluble phase or physically removed. Specifically, hydrogen sulfide may be removed from gas st...
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WO/1993/011853 |
Water present in a hot gaseous product stream from a reactor system (A, B) (Figure 1) containing hydrogen fluoride is separated from the stream in order to eliminate a potentially corrosive combination of water and HF. The water is remov...
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