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7370846 |
Parallel flow fractionation tray
The invention comprises multiple configurations of downcomers in a parallel flow multiple downcomer tray for vapor-liquid contacting processes such as the separation of chemical compounds via...
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7347413 |
Tray column and method for mass transfer in a tray column
A tray column is proposed which includes
column trays, two or more supports which are arranged on the underside of the column trays and support them and a bearing ring for the column trays...
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7282118 |
Method for production of easily polymerizable substance and purification apparatus
This invention resides in providing a method for the prevention of possible polymerization of the easily polymerizable substance during the purification thereof by a column provided with (a) at...
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7276215 |
Mixing device for two-phase concurrent vessels
In a vertical reactor vessel through which vapor and liquid flow concurrently, the fluids pass vertically through a horizontal mixing box having internal flow baffles that form at least one mixing...
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7270316 |
Distillation column tray configuration
A new tray configuration for a distillation column that utilizes the entire column cross section area as active tray area for vapor/liquid contact. The new tray configuration has no downcomers and...
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7270315 |
Exchange column, perforated tray assembly
In, for example, a gas-liquid, liquid/liquid exchange column, perforated tray assemblies are provided which have a plurality of adjacent tray sections with slots adjacent rounded leading edges of...
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7267330 |
Split ring seal
A split ring seal having a structured split formed with first and second overlapping leaves, movable between a compressed state and an expanded state, and having a first bore through the first leaf...
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7234691 |
Radial-crossflow distillation trays for divided wall column applications
An assembly of trays in a divided wall column having an inner column wall, a dividing wall, and an interior space includes: a first tray having at least one radial downcomer adjacent the dividing...
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7232115 |
Gas-liquid contacting tray
A gas-liquid contacting tray equipped with downcomers having sidewalls with liquid outlet openings, which openings are provided with a liquid guiding device such as a lip or a spout. In one...
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7137622 |
De-entrainment of liquid particles from gas
A multi-tray distillation unit having a separator for de-entraining liquid particles which are picked up by an upwardly flowing gaseous stream which is flowing countercurrent to a descending liquid...
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7125005 |
Contact tray having tray supported downcomers
A plurality of fluid-fluid contact trays of the cross-flow type are provided for mounting within a shell of a mass transfer or heat exchange column. The trays include tray decks that may be...
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7118654 |
Riser base
A chimney tray for a column for thermal treatment of a liquid. The chimney tray includes a total take-off of liquid by a drain connection arranged at an edge of the chimney tray, and having one or...
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7055810 |
Expansion ring for mass transfer column and method employing same
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 )....
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7028995 |
Vapor-liquid contact trays and method employing same
A mass transfer column ( 20 ) is provided with an external shell defining an open internal region. Centrifugal contact trays ( 26 ) and return contact trays ( 28 ) are positioned in an alternating...
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6994331 |
Vapor-liquid contact trays for mass transfer column and method employing same
A mass transfer column ( 20 ) is provided with an external shell ( 22 ) defining an open internal region ( 24 ). Centrifugal contact trays ( 26 ) and return contact trays ( 28 ) are positioned in...
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6902154 |
Gas-liquid contact tray having multiple downcomers
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...
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6881387 |
Reactor distribution apparatus and quench zone mixing apparatus
A quench zone mixing apparatus ( 16 ) that occupies a low vertical height and has an improved mixing efficiency and fluid distribution across the catalyst surface includes a swirl chamber ( 20 ), a...
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6866254 |
Gas-liquid contact tray
A gas-liquid contact tray having 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 are...
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6863267 |
Gas-liquid contacting tray
Gas-liquid contacting tray having a bubble area and one or more rectangular downcomers which are longer in length than in width, which downcomers have two sloped downcomer walls along their length,...
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6817596 |
Tray column
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...
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6783120 |
Multiple downcomer fractional distillation tray and process
The performance of multiple downcomer fractional distillation trays is improved by intercepting the liquid egressing from the bottom of the downcomers in a manner which directs a portion of the...
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6739585 |
Multiple downcomer fractionation trays having liquid distribution devices
Liquid distributors collect liquid falling out of the spout group at the ends of a downcomer of a fractionation tray. The devices then distribute the liquid against the wall of the column or onto...
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6736378 |
Contact tray having tray supported downcomers
A plurality of fluid-fluid contact trays of the cross-flow type are provided within a shell of a mass transfer or heat exchange column. The trays include tray decks that are supported on rings...
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6715741 |
Increased efficiency fractional distillation tray
The efficiency of multiple down comer fractional distillation trays is improved by distributing the liquid egressing from the bottom of the downcomers in a manner which provides a uniform length...
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6682633 |
Apparatus for cocurrent fractional distillation
A modular apparatus for fractional distillation and other forms of vapor-liquid contacting is presented. The apparatus performs cocurrent contacting of vapor and liquid in a number of identical...
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6631892 |
Tray contactor with same direction liquid flow
A vapor-liquid contactor includes a plurality of vertically stacked trays ( 151 ) within a containment column, the central downcomer ( 152 ) provides a liquid supply and removal area at the same...
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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...
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6585238 |
Locally co current horizontally staged contact tray
A vapor-liquid tray is provided which achieves markedly higher vapor loading and tray efficiency at all liquid loadings, and with little or no increase in pressure drop. Vapor loading is increased...
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6575438 |
Stepped downcomer apparatus and vapor-liquid contact apparatus with same
A stepped downcomer with intermediate step platform and a step wall extending down. Extensions extend out from step wall ends toward the tower wall. A main panel extends from the interior edge of...
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6485613 |
Batch-continuous countercurrent mass transfer process
Mass transfer process, in which, in at least two contact stages, and at least two liquid or gaseous phases are brought into contact with one another, at least one component being transferred...
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6460834 |
Gas/liquid contact tray
Gas/liquid contact tray for use in a column for counter-currently contacting gas and liquid, which tray has a perforated panel of which the area is divided in two or more parallel sections wherein...
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6460833 |
Gas-liquid contacting column
The invention relates to a gas-liquid contacting column having a number of axially spaced contacting trays, which trays have one or more liquid receiving areas and one or more downcomers, which...
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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...
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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...
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6372944 |
Liquid withdrawing tray for purification column, purification column, and method for purification
In the purification of an easily polymerizable compound such as (meth)acrylic acid by the use of a purification column adapted to withdraw a liquid from the middle portion of the column, a novel...
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6371454 |
Downcomer to a plate column
A downcomer for a plate column, which is largely centrally symmetrically formed with respect to an axis pointing in the column direction, having: a) a run-out aperture which is located within an...
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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...
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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...
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6293528 |
Fractionation apparatus with low surface area grid above tray deck
The flooding capacity of a fractionation tray (2) is increased by the addition of at least one layer of low surface area grids (3) above the inlet to the downcomers (6,12) located on the tray (2)....
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6287367 |
High-capacity vapor/liquid contacting device
This concept concerns a vapor/liquid contacting tray which is useful in distillation and related mass transfer or heat transfer applications where liquid flows down and gas or vapor flows up...
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6254840 |
Gas-liquid contacting apparatus
An apparatus for effecting gas-liquid contact in a system in which the liquid is the continuous phase, the apparatus consisting of a vertical column fitted with a series of perforated trays. The...
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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...
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6227524 |
High speed mass transfer tray
The invention concerns a high-speed mass transfer tray with contact and separation elements (CSE) with each CSE consisting of an open, vertically aligned nozzle, which rests with its lower end on...
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6224043 |
Downcomers for vapor-liquid contact trays
A vapor-liquid contact tray (36) is provided with a tray deck (40) and an upstream downcomer (48) and a downstream downcomer (50) positioned at an opening (46) in the tray deck (40). The upstream...
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6214174 |
Purifier and purifying method for polymerizable organic compounds
A distillation column is arranged so that a liquid hole which allows liquid containing a polymerizable organic compound to flow from on a tray supporting member downward is formed in a part of the...
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6131891 |
Fractionation column containing stacked fractionation trays
A novel fractionation column (1) internal structure consists of groups of fractionation trays in which the upper trays rest upon the bottommost tray of the group, which is the only tray of the...
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6123323 |
Gas-liquid dispersion devices provided with partitioning members, gas-liquid contact apparatus, and wastewater treatment systems provided with the same
A gas-liquid dispersion device to be installed in a system in which a liquid flows forming a continuous phase and a gas flows upward includes a perforated plate which is so mounted as to interrupt...
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6116583 |
Nestable fractionation tray antipenetration pans
A low cost antipenetration pan for use on fractionation trays is attached to the bottom of downcomers via releasable clips which slide through slots in the bottom of the downcomer. The clips are at...
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6076813 |
Vapor liquid contact tray with two-stage downcomer
A vapor-liquid contact tray (16) is provided with an upstream downcomer (46) and a downstream downcomer (48) which form a two-stage downcomer. The discharge outlet (62) of the upstream downcomer...
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6056806 |
Apparatus for the heating-up and degassing of water
An apparatus for the heating-up and degassing of make-up water by means of steam in a power station plant. The apparatus includes a steam condenser having a casing wall and a second casing wall...
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