Matches 1 - 50 out of 95 1 2 >
Match Document Document Title
7306204 Column comprising dual flow plates  
A column for the thermal treatment of mixtures which contain one or more polymerizable compounds is proposed, which column has dual-flow trays with openings whose diameter is constant within a...
7029557 Method for producing an aqueous hydroxylamine solution devoid of salt  
The invention relates to a method for producing a highly pure, aqueous hydroxylamine solution by distilling an aqueous solution, devoid of salt, of a hydroxyl ammonium salt in a plate column...
6966548 Vapor/liquid contacting cyclone with secondary vanes  
This invention is directed to a cyclonic vapor/liquid contacting device and distillation or related mass transfer or heat transfer processes employing its use, such as fluid catalytic cracking....
6592106 Locking hinged joint for vapor-liquid contact trays  
A vapor-liquid contact tray is provided with at least two tray panels that are releaseably together along their overlapped margins by a locking hinged joint. The joint is formed by fingers in one...
6588736 Gas/liquid contacting, perforated tray assembly  
A gas/liquid contacting tray assembly is provided, including a perforated sheet and elongated cover strips arching over the perforations in the sheet. The cover strips have slots with liquid...
6588735 Gas-liquid tray  
This invention relates to a gas-liquid contact tray having a bubble area and a downcomer having a downcomer opening, in which a self-draining vent tube is present in the downcomer and fluidly...
6386520 Fluid inlet device  
A fluid inlet device for introducing a mixture of liquid and gas into a column provided with an inlet nozzle and with a horizontal gas/liquid contact tray arranged in the column below the inlet...
6375921 Bubble column and the use thereof  
A bubble column can be operated using countercurrent flow including perforated trays. The space-time yield of gas-liquid reactions can be considerably increased if the perforated trays have a...
6345811 Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratio  
A vapor-liquid contacting tower having a tray deck, at least one downcomer and a structure packing layer in the space under the vapor-liquid bubble contacting tray wherein the tray deck has an...
6325361 Method and device for bringing a gas and a liquid into contact with one another  
In order to bring a gas and a liquid into contact with one another, for example so as to exchange, remove or add components or calorific value present in the gas and/or liquid, the liquid is guided...
6299146 Retangular suspending downcomer directing tray  
The vapor-liquid contacting tower contains multiple trays having multiple openings and multiple rectangular downcomers with multiple bottom openings. At least a pair of directing slots and at least...
6267805 Apparatus for scrubbing a continuous flow of gas charged with solid particles  
The invention relates to an apparatus for scrubbing with water a continuous flow of charged gas, the apparatus including a scrubbing chamber; an inlet via which the scrubbing water is fed into the...
6250611 Vapor-liquid contact apparatus  
Vapor-liquid contact apparatus for chemical processing includes a vessel containing a plurality of spaced horizontal trays which support a vapor-liquid mixture, and downcomers which carry liquid...
6221133 Fluid separation packing  
The invention provides a cellular packing including a vapor/liquid separation device that can be stacked vertically with minimum wasted space. The packing uses static vanes in each cell to direct...
6193222 Gas-liquid contact tray and method  
A gas-liquid contact tray having a substantially planar deck, a plurality of apertures extending through the deck, and a plurality of valve covers disposed over the apertures. The deck has an upper...
6189872 Froth activator apparatus and method  
The present invention provides an apparatus for use in the contact between a vapor and a liquid. In one embodiment, a column is provided having a generally vertical shell. A plurality of vertically...
6165315 Reactor for the synthesis of urea  
A reactor for the synthesis of urea from ammonia and carbon dioxide at elevated temperature and pressure is provided with perforated reactor trays in which at least a pair of spaced part perforated...
6105941 Vapor/liquid contacting cyclone with device to prevent backmixing and process for using the same  
This invention is directed to a cyclonic vapor/liquid contacting device, wherein liquid exiting the cyclonic device is directed primarily to one side, and distillation or related mass transfer or...
5975504 Closely-spaced high capacity fractionation trays  
High vapor and liquid capacity counterflow fractionation trays demonstrating superior turndown and performance characteristics include a number of parallel downcomers separated by planar tray...
5788894 High capacity vapor-liquid contact tray  
A vapor-liquid contact tray is provided which includes a plurality of openings and associated fixed roof structures which redirect vapor flowing vertically upward through the openings to horizontal...
5683493 Packing for separation columns and process of use  
A fluid separation packing that is useful as a packing material for distillation and fractionation columns or towers which provides for co-current liquid and vapor contact during the countercurrent...
5660616 Method and device with a gas layered sieve plate for wet desulfurization from flue gas  
A method and a device for wet desulfurization of flue gas to remove a sulfur dioxide(SO 2 ) contained in flue gas discharged from thermal power stations and boilers are disclosed. In the method the...
5632935 Vapor-liquid contact tray and downcomer assembly and method employing same  
A vapor-liquid contact tray and downcomer assembly is provided with ramps which serve to impart a horizontal directional flow to the liquid exiting the downcomer and/or the vapor passing through...
5599513 Gas distribution plate for use with fluidized-bed gas-phase polymerizer  
A gas distribution plate for use with a fluidized-bed gas-phase polymerizer comprising a flat plate and a plurality of cylindrical or frustoconical pieces each having an oblique hole or a spiral...
5591241 Liquid vapor contact apparatus  
An apparatus comprising a liquid-vapor contact column housing an array of vertically spaced liquid-vapor contact trays and an arrangement of downcomers that conduct liquid from tray-to-tray down...
5525271 Liquid-vapor contact device  
A liquid-vapor contact device having a plate-like body provided with a central section formed of expanded metal construction. The expanded metal construction provides slit-like openings for the...
5468425 Gas-liquid contact apparatus including trays with vapor apertures in overlapping panel margins  
In a crossflow gas-liquid contact tower, liquid moves horizontally across a plurality of vertically spaced trays, and downwardly from tray-to-tray while gas flows up through openings in the trays...
5407605 Fractionation tray with side discharging triangular downcomers  
High capacity, low cost fractionation trays comprise a flat perforated decking surface sectioned into parallel contacting areas by triangular downcomers. The bottom edges of two inclined sidewalls...
5382390 Multiple-downcomer fractionation tray with vapor directing slots and extended downcomer baffles  
The vapor capacity of multiple downcomer type fractionation trays is increased by the provision of vapor directing slots in the tray deck, with the slots being oriented toward the closest downcomer...
5360583 High capacity tray for gas-liquid contact apparatus  
In a crossflow gas-liquid contact tower, liquid moves horizontally across a plurality of vertically spaced trays, and downwardly from tray-to-tray while gas flows up through openings in the trays...
5277847 Method and apparatus for catalyst-downcomer-tray operation  
Improved catalyst-downcomer-tray assemblies for vapor liquid contact towers. Downcomers are constructed for receipt of bundles of catalyst media used to promote chemical reactions therein. Raised,...
5192466 Method of and apparatus for flow promotion  
Method of and apparatus for imparting directional liquid flow on a chemical process tower tray. A series of raised tray areas are disposed about the tray surface for affecting preferential vapor...
5152967 Interzone mixing device  
The interzone mixing device of the present invention is positioned in a multi-zoned vessel for flow of fluid generally vertically therethrough. The interzone mixing device includes a horizontally...
5147584 Contact tray assembly and method  
A contact assembly and method for vapor liquid contact towers employing a round aperture cover secured above a contact tray by integral depending legs, the upstream leg being of greater width than...
5106556 Method of downcoer-tray vapor venting  
A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for improving mass transfer efficiency....
5098615 Multiple-downcomer contacting tray with fluid directing baffles  
The performance of multiple downcomer type fractionation trays is stabilized against the effects of any rocking motion to which the surrounding column is subjected by the provision of vapor and...
5091119 Liquid-gas contact device  
A liquid-gas contact device comprising a liquid-gas contact tray comprising a multiplicity of the elongate apertures in the tray for the passage of gas from below to above the tray, each aperture...
5080837 Process and apparatus to establish contact between liquid and vapour or gas, particularly in distillation and/or absorption columns  
The invention relates to a process and apparatus to establish contact between liquid and vapour or gas on tray used in distillation and/or absorption columns. According to the process the liquid is...
4956127 Downcomer-tray assembly and method  
A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for improving mass transfer efficiency....
4872955 Vapor/liquid contact column structure  
A vapor-and-liquid contact structure for distillation, fractionation, rectification, absorption, and the refining, in a column, of various liquid materials such as petroleum, chemical, and alcohol...
4759884 Apparatus for gas wet treatment  
An apparatus for gas wet-treatment which includes at least one perforated plate having a unique arrangement of round holes. The holes are provided with a cross-sectional area larger than about 1 cm...
4749528 Distillation trays  
A distillation tray of the sieve type with a chordal weir or outlet has vapor passages therethrough. The density of vapor passages in the main liquid flow area immediately between the liquid inlet...
4532087 Plate for columns performing distillation and/or absorption processes  
A plate for columns performing distillation and/or absorption processes in which through openings in the plate body are provided with an inlet weir and with an outlet weir and in such openings...
4499035 Gas-liquid contacting tray with improved inlet bubbling means  
A gas-liquid contacting tray of the crossflow type with improved means for initiating bubbling activity at the tray inlet region comprising spaced-apart imperforate wall members extending...
4472324 Gas purifier unit  
A liquid contact type gas purifier unit in which gases to be treated are passed upwardly through a bath cleansing fluid to impart a circular and radially outward movement along a central perforate...
4356132 Mass-transfer apparatus  
A mass-transfer apparatus comprises a vertical cylindrical housing, contact trays accommodated inside said housing and made up of perforated and non-perforated sectors, the neighboring trays being...
4328177 Vapor-liquid contacting apparatus  
A vapor-liquid contacting apparatus suitable for use as a fractionation tray is disclosed. The horizontal liquid support area of the apparatus has a flat vapor-liquid contacting area formed by...
4318870 Distillation plate  
A baffle system for use on a plate for mass transfer operations comprises at least one channel, the surface of the channel through which a two-phase mixture of liquid and vapor leaves the channel...
4315872 Plate column  
Disclosed is an improved plate column suitable for use as a gas scrubber. This plate column comprises two or more sections and each section includes at least one preforated or grid plate without...
4311564 Distillation process and apparatus for a barge-mounted plant  
A distillation tray is described which is suitable for use in a distillation column of a barge-mounted plant. This distillation tray is provided with a plurality of cup-like cavities, each cavity...
Matches 1 - 50 out of 95 1 2 >