Abstract: The invention relates to a corrugated criss-crossing packing structure for installations that transfer material and/or heat between a gas phase and a liquid phase, comprising a first surface (10), called the primary surface, having a number of parallel channels (11). According to the invention, this structure has a second surface (20), called the secondary surface, comprised of a number of secondary packing elements (21, 31), each secondary packing element being placed inside a channel (11) of said primary surface (10) and being formed separately from the first surface. The invention is for use in cryogenic distillation.

Abstract: A structured packing for vapor-liquid mass or heat transfer is disclosed in the form of a plurality of corrugated sheets comprising primary corrugations and secondary corrugations which significantly increase the contact area provided by the structured packing for the vapor-liquid mass or heat transfer.

Abstract: A stacked packing column for heat and/or mass transfer has individual horizontal layers including a lower layer that has a greater density that initiates an accumulation, in particular flooding, and that is 1.5 to 10, preferably 2 to 3 times, greater than the density of an overlying upper layer. The upper layer forms oblique flow channels having lower sections that are more vertically aligned than respective upper sections. The lower sections of the flow channels have a larger cross section than the upper sections, and the sections of larger cross section open into the lower layer.

Abstract: An absorber or desorber contains a layer (10) for a structured packing which has corrugations, wherein a plurality of open channels (12, 14, 16) is formed by the corrugations, wherein the channels include a first corrugation valley (22), a first corrugation peak (32) and a second corrugation peak (42). The first corrugation peak (32) and the second corrugation peak (42) bound the first corrugation valley (22), wherein the first and second corrugation peaks have a first apex (33) and a second apex (43). An indentation (34) extending in the direction of the first apex (33) is formed on the first apex (33) of the first corrugation peak (32). The first corrugation valley (22) has a valley bottom (23), wherein the normal spacing (27) of at least one point of the indentation (34) from the valley bottom (23) of the corrugation valley (22) is smaller than the normal spacing (28) of the first apex (33) from the valley bottom (23) of the corrugation valley (22).

Abstract: A contact body for an evaporation humidifier or material exchanger, is formed of corrugated material layers. The novel contact body has material layers which are a thermoplastic plastic and are interconnected by welding and/or bonding and or a positive fit. The corrugation axes at two longitudinal edges of each material layer form a corrugation axis section that runs approximately in an orthogonal direction in relation to the respective longitudinal edge and the axes between the corrugation axis sections have oblique regions that run in at least two different directions with at least one change of direction in between, in such a way that in each material layer the corrugation axes change direction at least three times. The corrugation axes in a first oblique area lie at an angle ?1 to the neighboring longitudinal edge and in a second oblique area lie at an angle ?2 to the other longitudinal edge. The angles ?1 and ?2 are between 30° and 60°. The maximum height of the corrugated material layers is 12 mm.

Abstract: The invention includes a method of joining edges of adjacent honeycomb core panel sections. In one embodiment, the method includes forming a first edge along a first cellular core panel section. The first edge includes a first plurality of edge cell walls along the first edge. The method further includes forming a second edge along a second cellular core panel section, wherein the second edge includes a second plurality of edge cell walls along the second edge. The first edge is positioned proximate to the second edge. At least a portion of at least one of the first plurality of edge cell walls is mechanically interlocked with at least a portion of at least one of the second plurality of edge cell walls to form a joint therebetween. The invention also includes a composite structure at least partially produced by such a method.

Abstract: A packing layer for a structured packing which has corrugations forming open channels. Each channel includes first and second corrugation peaks bounding a first corrugation valley with each corrugation peak having an apex and the corrugation valley having a valley bottom. A spacer element is mounted on and extends along the apex of at least one corrugation peak. The spacer element has an edge which has a larger normal spacing from the valley bottom than the spacing of the apex of the corrugation peak from the valley bottom.

Abstract: The invention relates to a structured packing for a liquid exchange column, said structure defining an exchange surface for at least one descending liquid phase intended to be placed in intimate contact with at least one ascending gaseous phase.

Abstract: A gas-liquid contact body for use in a gas-liquid contact apparatus is formed of a plurality of facially opposed corrugated sheets with the corrugations in alternate sheets being disposed in parallel to form a plurality of criss-crossing channels for gas and liquid. The contact body has an air inlet side including an air inlet portion which is coated with a water-impermeable hydrophilic material whose density on the surface of the sheets decreases from a maximum at the edge of the sheets downstream within the air inlet portion to leave progressively increasing areas of said sheet exposed to air.

Abstract: A contact body for an evaporation humidifier or material exchanger, is formed of corrugated material layers. The novel contact body has material layers which are a thermoplastic plastic and are interconnected by welding and/or bonding and or a positive fit. The corrugation axes at two longitudinal edges of each material layer form a corrugation axis section that runs approximately in an orthogonal direction in relation to the respective longitudinal edge and the axes between the corrugation axis sections have oblique regions that run in at least two different directions with at least one change of direction in between, in such a way that in each material layer the corrugation axes change direction at least three times. The corrugation axes in a first oblique area lie at an angle ?1 to the neighboring longitudinal edge and in a second oblique area lie at an angle ?2 to the other longitudinal edge. The angles ?1 and ?2 are between 30° and 60°. The maximum height of the corrugated material layers is 12 mm.

Abstract: A drift eliminator is formed from alternating curved spacers and corrugated spacer members to define tube-like passageways for the flow of air through an evaporative cooling apparatus. The formation of the corrugated blade member with beveled side walls places the back walls of the channels in a different plane than the front walls, with the lower edge of the front walls of the channels being positioned in a common plane along with the lower edge of the blade members. The angled side walls impede the formation of a film of water across the inlet opening into the channel, which requires an increase in horsepower for the fan to push air through the drift eliminator. Mechanical fastening devices molded into the respective members connects the corrugated spacer members and the blade members. A method of forming the corrugated spacer members to provide the angled side walls is also provided.

Abstract: An air handling heat exchanger humidifying apparatus (1) is provided with a humidifying cell (13) of a self supporting sheet like body with closely spaced air openings therein. Air is moved through the apparatus (1) so it passes through the openings in the humidifying cell (13). A humidifying liquid is deposited onto the body surfaces of the cell between adjacent openings. As the air moves through the openings it collects the humidifying liquid from the surfaces of the cell (13). The humidifying liquid can be cooled. The air then exits the apparatus (1) and can be used for cooling produce or other product. The cell (13) can be an expanded mesh with the openings having a somewhat diamond shape. The cell (13) body can be corrugated to assist in humidifying liquid retention.

Abstract: The convector includes at least one finned tube bundle (7) in the tubes of which a fluid to be cooled is made to circulate and at least one fan (11) producing an air flow that strikes the outside of said finned tubes. The convector includes an adiabatic chamber (13) through which a air flow (F1) passes, positioned upstream of the tube bundle (7), inside which water is nebulized and vaporized. The adiabatic chamber (13) is defined by side walls (5) and by at least two evaporation honeycomb fill packs (15, 17).

Abstract: A gas-liquid contact body for use in a gas-liquid contact apparatus is formed of a plurality of facially opposed corrugated sheets with the corrugations in alternate sheets being disposed in parallel to form a plurality of criss-crossing channels for gas and liquid. The contact body has an air inlet side including an air inlet portion which is coated with a water-impermeable hydrophilic material whose density on the surface of the sheets decreases from a maximum at the edge of the sheets downstream within the air inlet portion to leave progressively increasing areas of said sheet exposed to air.

Abstract: A column is described for carrying out reactive distillations in the presence of a heterogeneous particulate catalyst having an ordered packing or random packings which form intermediate spaces in the column interior, the quotient of the hydraulic diameter for the gas flow through the ordered packing or the random packings and the equivalent diameter of the catalyst particles being in the range from 2 to 20, preferably in the range from 5 to 10, in such a manner that the catalyst particles are introduced into the intermediate spaces, distributed and discharged loose under the action of gravity.

Abstract: A gas-liquid contactor baffle includes a body having a first portion, a second portion and a middle portion, the middle portion being positioned between the first portion and the second portion. The middle portion is a corrugated sheet having a first face and a second face. The corrugated sheet has alternating ridges and open ended channels extending across each of the first face and the second face between the first portion and the second portion. The first portion has a first collection channel adapted to collect liquids from the open ended channels of the middle portion when flow is along the first face in a first direction. The second portion having a second collection channel adapted to collect liquids from the open ended channels of the middle portion when flow is along the second face in a second direction.

Abstract: The use of a cross-passage packing made of a metal fabric relates to a method in which an exchange of material and/or of heat is carried out between a liquid stream and a gas or vapour stream. The fabric packing (1) used is composed of vertical layers (11?, 12?) which consist of corrugated or pleated metal fabrics (11, 12) which form flow passages (13). The gas or vapour stream flows in the flow passages and the liquid stream flows on the metal fabric. The flow passages of adjacent layers cross in an open manner. The angle between crossing passages is lower than approximately 100°. In this method, the fabric packing is acted on by a relatively small liquid loading. The metal fabric forms a carrier for the liquid stream that is largely free of holes or other apertures.

Abstract: An air conditioning system for conditioning the space within an enclosure having at least one inlet and one outlet, the system comprising first and second liquid/air heat exchangers; the first heat exchanger having an opening for receiving fresh air from the environment and for propelling the fresh air through the first heat exchanger to exchange heat with the liquid before it is entered into the enclosure, and the second heat exchanger having an opening for receiving air from the enclosure and for propelling it through the second heat exchanger to exchange heat with the liquid before it is expelled into the atmosphere. There are also provided methods for air-conditioning an enclosed space and for evaporation of industrial wastes.

Abstract: A dehumidification and energy recovery device includes a casing defining an interior that is divided into two vertically stacked sections, a channel extending vertically between the sections and forming upper and lower openings, absorption devices arranged inside the channel corresponding to the sections respectively, and a tank arranged below the lower opening of the channel and containing a liquid that is driven by a pump to a position above the upper opening of the channel to drop onto and flow through the absorption devices. Intake airflow and exhaust airflow respectively pass through the sections, contacting the liquid flowing through the channel in a cross-flow fashion, whereby exchange of humidity and heat is performed between the airflows and the liquid to effect dehumidification and energy recovery with a simple structure and low costs.

Abstract: A fixed-bed reactor is described for carrying out reactions of fluid reaction mixtures in the presence of a particulate heterogeneous catalyst having a structured packing which forms interstices in the reactor interior, in which the quotient of the hydraulic diameter for the fluid flow through the structured packing and the equivalent diameter of the catalyst particles is in the range from 2 to 20, preferably in the range from 5 to 10, to such an extent that the catalyst particles are introduced into the interstices, loosely distributed and discharged under the action of gravity.

Abstract: An assembly in an exchange column includes a plurality of generally vertically adjacent layers of structured packing. Each layer includes a plurality of generally horizontally adjacent structured packing elements, each of which has an upper edge and a lower edge. Each layer has a top having a plurality of the upper edges and a bottom having a plurality of the lower edges. In a first layer of packing at least one of the upper edge and the lower edge is modified on at least one element. In a second layer of the packing, located vertically adjacent the first layer, the upper edges and the lower edges are unmodified on substantially all of the elements, whereby one of the unmodified upper edge and the unmodified lower edge on at least one of the elements in the second layer is adjacent one of the modified edges in the first layer.

Abstract: A heat exchange apparatus for a cooling tower having first and second corrugated film, fill sheets. Each film fill sheet includes a plurality of arch shaped dimple features oriented to forms various rows of the arch shaped dimple features. The first and second sheet are connected wherein the spacing between the sheets is equal to approximately 1.0 inches.

Abstract: A method of cleaning air, including a humidifying operation for humidifying the air containing chemical contaminants by a humidifier and taking a part of the gaseous contaminants in the air into excessive moisture to remove the contaminants from the air, and a dehumidifying operation for dehumidifying the humidified air by a condenser and taking the gaseous chemical contaminants remaining, without being removed, in the humidifying operation into condensed water for removal. By using an oblique honeycomb having both front and rear faces and both upper and lower faces disposed in open state, air is led from the front opening part of the oblique honeycomb and water is fed from the upper opening part thereof to one or both of the humidifier and condenser.

Abstract: A corrugated strip made of sheet material, which may be used in a packing module. The peaks and the troughs of the strip, when viewed in a side view, define lines which have a general sloping direction relative to the direction the fluid flow. Each strip includes a spanning zone and a transition zone. In the transition zone, each peak/trough line extends inside a specific area centered on a curve which extends tangentially from the peak/trough line of the spanning zone. The structured interface region between the spanning and transition zones helps to reduce head loss across the strip.

Abstract: A liquid distributor for packed or filled columns having a multiplicity of horizontal layers involved in heat transfer or mass transfer. At least one layer of the column has an increased density by comparison with the other layers and is designed specifically for flooding. The specific surface can be greater than the specific surface of the underlying layers by a factor of 1.5 to 10.

Abstract: A structured packing element has at least one edge adapted to intermesh with an edge of at least one other structured packing element. The structured packing elements may be used in a packed section in an exchange column which includes: a first layer of structured packing including a first structured packing element having an upper edge adapted to intermesh with a generally vertically adjacent lower edge of a second structured packing element; and a second layer of structured packing located above the first layer of structured packing, the second layer including the second structured packing element having the lower edge adapted to intermesh with the generally vertically adjacent upper edge of the first structured packing element. The upper edge of the first structured packing element intermeshes with the lower edge of the second structured packing element.

Abstract: A structured packing element has at least one edge adapted to intermesh with an edge of at least one other structured packing element. The structured packing elements may be used in a packed section in an exchange column which includes: a first layer of structured packing including a first structured packing element having an upper edge adapted to intermesh with a generally vertically adjacent lower edge of a second structured packing element; and a second layer of structured packing located above the first layer of structured packing, the second layer including the second structured packing element having the lower edge adapted to intermesh with the generally vertically adjacent upper edge of the first structured packing element. The upper edge of the first structured packing element intermeshes with the lower edge of the second structured packing element.

Abstract: Disclosed is a hybrid type cooling tower. The cooling tower includes a water distributing device for distributing cooling water of a high temperature, a counterflow type filler through which the cooling water distributed from the water distributing device flows downward, an eliminator for preventing drift of the cooling air, louvers which serve as passages for allowing inflow of outside air, a fan for forcibly circulating the outside air through the cooling tower and discharging air to the outside, which air undergone heat exchange with the cooling water, and a water tank for collecting the cooling water which is chilled while flowing downward through the counterflow type filler. In the present invention, a crossflow type filler is disposed inside the louvers and under the counterflow type filler.

Abstract: A louver assembly is disclosed for use in a heat exchanger associated with a liquid basin. The louver assembly is made of a plurality of generally vertically oriented, non-corrugated sheets attached to adjacent corrugated sheets of material. Spaces between the corrugations and the non-corrugated sheets form air passageways extending downwardly through the louver assembly from an inlet face to an outlet face of the louver assembly. The corrugated and non-corrugated sheets have a V-shape in a top plan view defined by two acute angles X and Y on one surface of the sheets with respect to a transverse reference plane, resulting in a vertex angle Z on an opposite surface of the sheets of about 120° to about 140°. The V-shape of the sheets provides each of the corrugations and air passageways with a single inlet portion and a single outlet portion.

Abstract: A diffusion driven desalination apparatus and related method includes structure for receiving a heated water stream and creating at least one region having a thin film of water and structure for forcing a low humidity air stream over the thin film of water, wherein water from the thin film of water evaporates and diffuses into the air stream to create a humidified air stream. A diffusion tower including at least one plenum can be used to create and transfer the humidified air stream. At least one condenser, such as a direct contact condenser, condenses the humidified air stream, wherein purified water is produced. Waste heat from a power plant can be used to provide the heated water stream and power plants can use the waste heat generated to inexpensively provide purified water.

Abstract: A method of connecting contact sheets to form a contact body that provides for mechanically deforming at least same of both interior and edge projection-depression couplings formed in two sheets to form positive locks in a pair of sheets, and then mechanically deforming only edge projections to form positive locks between at least two pairs of sheets, thereby forming the contact body.

Abstract: A mass transfer column is provided with an external shell defining an internal region. Packing elements are positioned within the internal region of the mass transfer column. The packing elements have one or more plates formed from sheet material that has been shaped to form a plurality of corrugations on each side of the plate as a series of peaks separated by valleys. A plurality of apertures are arranged across at least a portion of the plate and a plurality of tangs extend outwardly from the surface of the plate surrounding at least some of the apertures. At least some of the outwardly extending tangs are deformed toward the plate.

Abstract: The present application relates to a method for producing a laminate comprised of alternating smooth and corrugated sheets and which are to form a corrugated structure for the manufacture of contactors, characterized by that a first starting material is impregnated with a solution comprising water glass and additive whereas the additive is present at a high level and which is later corrugated and that a second starting material is impregnated with a solution comprising water glass and additive whereas the additive is present at a moderate level and that the both starting materials are brought together after the corrugation of the first starting material whereby the adhesion is maintained at a high level. The present application also relates to a laminate obtainable by said method and a contactor manufactured from a laminate obtainable by said method.

Abstract: Disclosed is a fill film sheet for a cooling tower. The fill film sheet has a wave-shaped section which possesses a predetermined radius when measured in an air flowing direction. The fill film sheet is made of a rectangular plate-like material having a zigzagged section which possesses a predetermined width when measured in a water flowing direction. The fill film sheet is formed with zigzagged and chevron-patterned lifts each having a first leg segment which extends toward an air outlet and a second leg segment which extends from the first leg segment toward an air inlet when measured in a downward direction. The first leg segment has a length smaller than that of the second leg segment.

Abstract: A heat exchange or mass transfer column in which the packing bed is formed from individual packing layers wherein the sheet metal plates of the packing have different thicknesses.

Abstract: A structured packing element includes a means for intermeshing at least one edge of the structured packing element with an adjacent edge of another structured packing element. The structured packing elements may be used in a packed section in an exchange column which includes: a first layer of structured packing including a first structured packing element having an upper edge adapted to intermesh with a generally vertically adjacent lower edge of a second structured packing element; and a second layer of structured packing located above the first layer of structured packing, the second layer including the second structured packing element having the lower edge adapted to intermesh with the generally vertically adjacent upper edge of the first structured packing element. The upper edge of the first structured packing element intermeshes with the lower edge of the second structured packing element.

Abstract: The invention relates to a strip, made from a sheet material, for a packing module for treatment of liquids, comprising corrugations, which are mainly oriented at an inclination to the direction of flow of said liquid, when the strip is in an approximately vertical plane with the edges thereof approximately horizontal. The strip comprises openings (44) with extended edges. The direction of the edges on the lower section of the openings and the natural direction of flow (S) of the liquid on at least 75% of the length of the edges of said lower section form an included angle of between 0° and 20°. The above finds application in air distillation columns.

Abstract: The invention relates to a packing for heat- and material-exchange columns, with a number of approximately perpendicularly arranged corrugated plates (or strips), with the side surfaces thereof lying adjacent to each other. The ribs of the above lie very close to each other and run from top to bottom, in the approximate form of an arc, whereby the ribs of two adjacent plates cross each other and the ribs in the upper region of a plate are straight and inclined to the upper, in particular, horizontal place are straight and inclined to the upper, in particular, horizontal plate edge and, in the lower region of the plate, run bent in the form of an arc.

Abstract: A mass transfer column is provided with an external shell defining an internal region. Packing elements are positioned within the internal region of the mass transfer column. The packing elements have one or more plates formed from sheet material that has been shaped to form a plurality of corrugations on each side of the plate as a series of peaks separated by valleys. A plurality of apertures are arranged across at least a portion of the plate and a plurality of tangs extend outwardly from the surface of the plate surrounding at least some of the apertures. At least some of the outwardly extending tangs are deformed toward the plate.

Abstract: An air cooling device includes at least one cooling unit which includes an oblique honeycomb having front, rear, upper, and lower openings and disposed so that air to be cooled is introduced into the front opening and cooled air is discharged from the rear opening, a cooling water supply means which supplies cooling water to the upper opening of the oblique honeycomb, and a water receiving section which receives discharge water discharged from the lower opening of the oblique honeycomb, and a blower means which introduces air to be cooled into the front opening of the oblique honeycomb and allows cooled air to be discharged from the rear opening of the oblique honeycomb, wherein the height of one oblique honeycomb in the cooling unit is 200 to 800 mm. The air cooling device has high thermal efficiency, a small liquid-gas ratio, and a small pressure drop, and is capable of saving space and energy.

Abstract: A structured packing with improved packing elements and method of using the structured packing. Each structured packing element comprises corrugated sheets and planar members alternating with and located between the corrugated sheets The planar members are positioned so that at least the lowermost horizontal edges of the planar members and the corrugated sheets are situated proximal to one another. Perforations provided in the planar members and the corrugated sheets are designed to avoid turbulent flows and bulk fluid flow across the packing element while allowing transverse pressure equalization. Different configurations of corrugated sheets may be used with the planar members to form the structured packing.

Abstract: This column includes at least one exchange section (5, 9, 10, 11) defined between an associated upper liquid distributor (4, 6, 7, 8) and a lower fluid inlet/outlet (21, 23) or an associated lower liquid distributor (7, 8), the exchange section including an upper portion (5A, 9A) and, under it, another portion (5B, 9B, 10B, 11B) preferably of the conventional type. The upper packing portion of at least one packing section includes a packing module having less transfer units than a packing module of the conventional packing portion of the same section. Application to double columns for air distillation.

Abstract: Disclosed is a fill film sheet for a cooling tower. The fill film sheet has a wave-shaped section which possesses a predetermined radius when measured in an air flowing direction. The fill film sheet is made of a rectangular plate-like material having a zigzagged section which possesses a predetermined width when measured in a water flowing direction. The fill film sheet is formed with zigzagged and chevron-patterned lifts each having a first leg segment which extends toward an air outlet and a second leg segment which extends from the first leg segment toward an air inlet when measured in a downward direction. The first leg segment has a length smaller than that of the second leg segment.

Abstract: The present invention comprises a evaporative cooling pad and method of making the same. The cooling pad features a non-reflective, non-light transmissive surface finish incorporated directly into the cooling pad. In one embodiment, this surface finish would be a dark color, gray to black, with a non-gloss surface. The coupling of this type of finish and colored sheet with the plurality of angled cross-corrugated flutes featured on the cooling pad serves the function of breaking the light source at various flute angles and attenuating the light value during its passage through the cooling pad.

Abstract: A method of installing a structured packing in an exchange column, the structured packing having a surface area density in the range of about 500 m2/m3 to about 675 m2/m3 includes a plurality of corrugated plates disposed in vertically parallel relation. Each plate has at least one aperture and a plurality of regularly spaced and substantially parallel corrugations disposed in crisscrossing relation to the corrugations of an adjacent plate. The apertures have an equivalent diameter of less than about 4 millimeters but greater than about 2 millimeters. The corrugations have a corrugation angle (&agr;) relative to horizontal in the range of about 40° to about 60°. Each corrugation, when approximated to be substantially a triangular cross-section, has an included angle (&bgr;) defined by two sides of the corrugation in the range of about 90° to about 100°.

Abstract: A packing section includes a plurality of vertically oriented, diagonally cross-corrugated packing sheets defining a section height. The section height has a base region, a bulk region, and a top region. The base region has a first particular geometry different from the geometry of the bulk region.

Abstract: A structured packing having a surface area density in the range of about 500 m2/m3 to about 675 m2/m3 includes a plurality of corrugated plates disposed in vertically parallel relation. Each plate has at least one aperture and a plurality of regularly spaced and substantially parallel corrugations disposed in crisscrossing relation to the corrugations of an adjacent plate. The apertures have an equivalent diameter of less than about 4 millimeters but greater than about 2 millimeters. The corrugations have a corrugation angle (&agr;) relative to horizontal in the range of about 40° to about 60°. Each corrugation, when approximated to be substantially a triangular cross-section, has an included angle (&bgr;) defined by two sides of the corrugation in the range of about 90° to about 100°. The structured packing is used in exchange columns for exchanging heat and/or mass between a first phase and a second phase in processes such as cryogenic air separation.

Abstract: In an vapor-liquid contactor 4a for flowing down a liquid along the surface of a packing and contacting said liquid with the vapor while ascending the vapor, the improvement being characterized in that said packing is a non-promoting-fluid-dispersion type structured packing A1, A2 in which various types of thin sheets or tubes for determining the flow direction of the above liquid or vapor is laminated and arranged in the perpendicular direction, and said contactor includes at least one fluid distribution unit E1, E2 formed of a rough distribution part C1, C2 to distribute the liquid roughly and a minute distribution part B1, B2 to distribute the liquid minutely and equally.

Abstract: In an vapor-liquid contactor 4a for flowing down a liquid along the surface of a packing and contacting said liquid with the vapor while ascending the vapor, the improvement being characterized in that said packing is a non-promoting-fluid-dispersion type structured packing A1, A2 in which various types of thin sheets or tubes for determining the flow direction of the above liquid or vapor is laminated and arranged in the perpendicular direction, and said contactor includes at least one fluid distribution unit E1, E2 formed of a rough distribution part C1, C2 to distribute the liquid roughly and a minute distribution part B1, B2 to distribute the liquid minutely and equally.

Abstract: A reflection column which contains liquid distributors having at least 500 drip points/m2, which are arranged at an angle of about 90° C. to cloth layers of packing elements located immediately therebelow; and a combination of insulation and protective heating. The column is advantageously used for the rectification of mixtures of high-boiling air- or temperature-sensitive substances requiring effective separation efficiency.