US2615699A - Contacting liquids with gases or vapors - Google Patents

Contacting liquids with gases or vapors Download PDF

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US2615699A
US2615699A US730678A US73067847A US2615699A US 2615699 A US2615699 A US 2615699A US 730678 A US730678 A US 730678A US 73067847 A US73067847 A US 73067847A US 2615699 A US2615699 A US 2615699A
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netting
galloon
packing
gases
sheets
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US730678A
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Dixon Olaf George
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/32Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/30Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30Details relating to random packing elements
    • B01J2219/302Basic shape of the elements
    • B01J2219/30223Cylinder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30Details relating to random packing elements
    • B01J2219/302Basic shape of the elements
    • B01J2219/30257Wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30Details relating to random packing elements
    • B01J2219/302Basic shape of the elements
    • B01J2219/30276Sheet
    • B01J2219/30292Sheet rolled up
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30Details relating to random packing elements
    • B01J2219/304Composition or microstructure of the elements
    • B01J2219/30408Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30Details relating to random packing elements
    • B01J2219/304Composition or microstructure of the elements
    • B01J2219/30433Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/30Details relating to random packing elements
    • B01J2219/304Composition or microstructure of the elements
    • B01J2219/30466Plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324Composition or microstructure of the elements
    • B01J2219/32408Metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324Composition or microstructure of the elements
    • B01J2219/32425Ceramic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324Composition or microstructure of the elements
    • B01J2219/32441Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324Composition or microstructure of the elements
    • B01J2219/32483Plastics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00Gas and liquid contact apparatus
    • Y10S261/72Packing elements

Definitions

  • This invention relates to contacting liquids with gases in. such operations as performed in absorption, washing, and reaction towers, and condensers such as i'ractionating columns or the like.
  • Figure 1 is a reduced scale side elevational view of a distillation device" having aside wall thereof broken away to show one manner of disposing therein packing material'such as shown in approximately full scale in Figures 35' and 7-11, inclusive, made in accordance with the present invention.
  • Figure 2 is azfragmentary view: of an apparatus similar to Figure 1 showing a. general arrangement of the new packing material arranged similar to that set forth in. my copending application Seriai No. 708.223;
  • Figure 3* is a side elevational view of a sheet of galloon netting, rectangular in shape, showingsubsta-ntially-the full size of one form thereof.
  • Figure 4 is a perspective view of a Raschig ring made of galloon netting, being hollow in nature.
  • Figure 5 is a perspective view of a Lessing ring made of galloon netting being hollow in nature.
  • Figure 6 is a perspective view of a section wound roll of galloon netting which is suitable for use as a packing unit and would completely fill the packing space of Figure 1, both Figure 1 and Figure 6 being reduced in size while Figures 3-5 and 7-11 are approximately full scale.
  • Figure '7 is a perspective view of a section of fiat strip of galloon netting twisted about its longitudinal axis to provide a hollow propeller shaped filling unit for the vessel disclosed in Figure 2.
  • Figure 8 is a perspective view of a form of filler unit similar in shape to a Berl ring.
  • Figure 9 is a perspective view of a hollow cylindrical filler made in accordance with the pres- 4': Claims. (01. zenx01) ent invention'having gaps in its walls.
  • Figure 10 is a perspective viewof a hollow filler, cylindrical in nature and having a longi'-' tudinalgapextendingover its entire length, the galloonwa-rp thread running circumzferentially about the unit, and
  • Figure 11 is a perspective view of a wound roll filler having the warp thread" running in a circumferential direction about its axis and would be one, of the many units randomly packed in the packing space of Figure I.
  • I g is a perspective view of a wound roll filler having the warp thread" running in a circumferential direction about its axis and would be one, of the many units randomly packed in the packing space of Figure I.
  • galloon netting refers, in vparticular, to woven material in which the warp threads are substantially straight instead of being bent as in the case oi normal weaving while the weft threads are arranged closely against one another:
  • the number of weft threads in (a galloon netting is, therefore, always greater than the number of warp threads.
  • the warp thre'ads are generally, but not necessarily, thicker and/or stronger than the weft threads.
  • Twilledgalloon netting may be used 'but it is preferred to use galloon netting of normal weave.
  • The-galloon netting made be made from one or more materials having suflicient mechanical strength, such as. wire, glass wool, slag wool, or filaments of synthetic resins.
  • the netting maybe made with. warp threads of wire andweft threads of synthetic resin. Ithas been found. convenient, however, to use galloon netting made from wires: of suitable metals, such as copper, brass, Phosphor bronze, cupro-nickcl andstainlesssteel. 3
  • Figure 1 is; shown a column or vessel gen.- erally indicated as l with the side wall 2 thereof broken away to show the packing material 3 thereof, which is shown in Figures 4-11, inclusive, arranged in an orderly manner in this example throughout the column. It is, of course, to be understood that the packing may be randomly packed if it is so desired.
  • FIG. 2 aplurality of galloon sheets 4 are arranged vertically in a rectangular tower or vessel 5 whose walls 6 are broken away to show this arrangement.
  • Figure 3 is shown a sheet of galloon netting having warp threads 8 and weft threads 9.
  • the galloon netting may be made up into filling bodies of any suitable shapes as shown in Figures 3-11, inclusive. in these figures are well known as packing bodies and those that are not known are self-explanatory insofar as their particular shape is longitudinal openings or Most of the shapes as set forth 1 ating conditions in order to ensure intimate contact of the liquid which forms a film on the netting and the vapor phase in the column during operation.
  • the mesh of the galloon netting and the thickness of the individual threads may be varied within wide limits but it has been found convenient when using netting made from wire, to have seven warp wires per inch and forty-four weft wires per inch, the diameters of the wires being0.036 inch for the warp and 0.022 inch for the weft.
  • galloon netting is to be made up into filling bodies in the form ofthe so-called Raschig rings, Lessing rings, and the like it has been found convenient for the bodies to have adiameter not less than one inch and a length equal to the diameter.
  • the packing of the present invention is suitable for use in a variety of processes where it is desirable to present a large surface area of liquid to gas or vapor, for example, in gas washing processes and particularly in distillation.
  • gas when used, designates both substances which are gaseous under normal conditions of temperature and pressure, and normally liquid substances in vaporized form.
  • Apparatus for contacting liquids with gases comprising a vessel containing a packing of vertically disposed plain sheets of galloon netting, said sheets being spaced apart to provide between them at least one free and unobstructed path for the upward flow of vapor, and means for supplyin liquid to the upper edges of the sheets, the weave of said galloon netting being sufficiently close to insure filming of the liquid across the apertures therein.
  • Apparatus for the distillation of liquids which comprise a column containing a packing of verticallydisposed plain sheets of galloon netting, said sheets being spaced apart to provide between them at least one free'and unobstructed path for the upward flow of vapor, and means for supplying reflux liquid to the upper edges of the sheets, the weave of said galloon nettin being sufliciently close to insure filming of said reflux liquid across the apertures therein.

Description

Oct. 28, 1952 DIXON CONTACTING LIQUIDS WITH GASES OR VAPORS Filed Feb 25, 1947 INVENTOR. yeQz'xon mommy Patented Oct. 28, 1952 CONTACTING memos. wrrn erases on;
vArons Olaf George Dixon, Norton-on-Tees, England; as-
Signor to" Imperial Chemical Industries Limited', a corporation of Great Britain Application February 25, 1941, Seria1No. 73.0,678.
In Great Britain February 28,. 1946 This invention relates to contacting liquids with gases in. such operations as performed in absorption, washing, and reaction towers, and condensers such as i'ractionating columns or the like.
It has as its general object; the formation of a new typeof packing made of galloon netting which has a high efficiency forthe purposes as used in the examples above and yet does not require the heretofore necessary preliminary flooding or prefl'ooding oi thetower or condenser and the subsequent carefully controlled operating conditions in order to initially thoroughly wet the packing with liquid. to ensure continued intimate contact of the liquid and", vapor phases during such; operations;v i.
. In the drawings forming apart. of the specification, examples of theuse of the packing and various modifications of the shapes of the packing made of galloon netting are shown in which,
Figure 1 is a reduced scale side elevational view of a distillation device" having aside wall thereof broken away to show one manner of disposing therein packing material'such as shown in approximately full scale in Figures 35' and 7-11, inclusive, made in accordance with the present invention.
Figure 2 is azfragmentary view: of an apparatus similar to Figure 1 showing a. general arrangement of the new packing material arranged similar to that set forth in. my copending application Seriai No. 708.223;
Figure 3* is a side elevational view of a sheet of galloon netting, rectangular in shape, showingsubsta-ntially-the full size of one form thereof.
Figure 4 is a perspective view of a Raschig ring made of galloon netting, being hollow in nature.
Figure 5 is a perspective view of a Lessing ring made of galloon netting being hollow in nature.
Figure 6 is a perspective view of a section wound roll of galloon netting which is suitable for use as a packing unit and would completely fill the packing space of Figure 1, both Figure 1 and Figure 6 being reduced in size while Figures 3-5 and 7-11 are approximately full scale.
Figure '7 is a perspective view of a section of fiat strip of galloon netting twisted about its longitudinal axis to provide a hollow propeller shaped filling unit for the vessel disclosed in Figure 2.
Figure 8 is a perspective view of a form of filler unit similar in shape to a Berl ring.
Figure 9 is a perspective view of a hollow cylindrical filler made in accordance with the pres- 4': Claims. (01. zenx01) ent invention'having gaps in its walls.
Figure 10 is a perspective viewof a hollow filler, cylindrical in nature and having a longi'-' tudinalgapextendingover its entire length, the galloonwa-rp thread running circumzferentially about the unit, and
Figure 11 is a perspective view of a wound roll filler having the warp thread" running in a circumferential direction about its axis and would be one, of the many units randomly packed in the packing space of Figure I. I g
In this specification galloon netting refers, in vparticular, to woven material in which the warp threads are substantially straight instead of being bent as in the case oi normal weaving while the weft threads are arranged closely against one another: The number of weft threads in (a galloon netting is, therefore, always greater than the number of warp threads. Moreover, the warp thre'adsare generally, but not necessarily, thicker and/or stronger than the weft threads.
Twilledgalloon netting may be used 'but it is preferred to use galloon netting of normal weave. The-galloon netting made be made from one or more materials having suflicient mechanical strength, such as. wire, glass wool, slag wool, or filaments of synthetic resins. For example, the netting maybe made with. warp threads of wire andweft threads of synthetic resin. Ithas been found. convenient, however, to use galloon netting made from wires: of suitable metals, such as copper, brass, Phosphor bronze, cupro-nickcl andstainlesssteel. 3
In Figure 1 is; shown a column or vessel gen.- erally indicated as l with the side wall 2 thereof broken away to show the packing material 3 thereof, which is shown in Figures 4-11, inclusive, arranged in an orderly manner in this example throughout the column. It is, of course, to be understood that the packing may be randomly packed if it is so desired.
In Figure 2 aplurality of galloon sheets 4 are arranged vertically in a rectangular tower or vessel 5 whose walls 6 are broken away to show this arrangement.
In Figure 3is shown a sheet of galloon netting having warp threads 8 and weft threads 9.
The galloon netting may be made up into filling bodies of any suitable shapes as shown in Figures 3-11, inclusive. in these figures are well known as packing bodies and those that are not known are self-explanatory insofar as their particular shape is longitudinal openings or Most of the shapes as set forth 1 ating conditions in order to ensure intimate contact of the liquid which forms a film on the netting and the vapor phase in the column during operation.
It should be understood that the mesh of the galloon netting and the thickness of the individual threads may be varied within wide limits but it has been found convenient when using netting made from wire, to have seven warp wires per inch and forty-four weft wires per inch, the diameters of the wires being0.036 inch for the warp and 0.022 inch for the weft. I
Where the galloon netting is to be made up into filling bodies in the form ofthe so-called Raschig rings, Lessing rings, and the like it has been found convenient for the bodies to have adiameter not less than one inch and a length equal to the diameter. I v
The pronounced self-wetting properties of galloon netting depend only slightly on the direction of the warp threads relative to the flow of the liquid, it being best when the warp threads are parallel to the flow; that is, for sheets in a column it is preferable for the warp threads to be vertical. "In a sheet, this direction is also preferable on account of the warp threads greater thickness and/or strength.
With regards to filling bodies made from galloon netting it is conceded that if such bodies of cylindrical form are stacked in a regular pattern layerbylayer it is reasonable to suppose from the above remarks that in this case also the warp wires should be vertically disposed. It has been found preferable, however, for the rigidity of the fillin bodies,particularly when these are randomly packed, to have the warp threads circumferentially disposed in cylindrically shaped bodies and longitudinally in the propeller and saddle shapes.
The packing of the present invention is suitable for use in a variety of processes where it is desirable to present a large surface area of liquid to gas or vapor, for example, in gas washing processes and particularly in distillation.
In the appended claims the term gas, when used, designates both substances which are gaseous under normal conditions of temperature and pressure, and normally liquid substances in vaporized form.
I claim:
1. Apparatus for contacting liquids with gases comprising a vessel containing a packing of vertically disposed plain sheets of galloon netting, said sheets being spaced apart to provide between them at least one free and unobstructed path for the upward flow of vapor, and means for supplyin liquid to the upper edges of the sheets, the weave of said galloon netting being sufficiently close to insure filming of the liquid across the apertures therein.
2. Apparatus for contacting liquids with gases as set forth in claim 1 wherein said vertically disposed sheets of galloon netting are substantially parallel.
3. Apparatus for the distillation of liquids which comprise a column containing a packing of verticallydisposed plain sheets of galloon netting, said sheets being spaced apart to provide between them at least one free'and unobstructed path for the upward flow of vapor, and means for supplying reflux liquid to the upper edges of the sheets, the weave of said galloon nettin being sufliciently close to insure filming of said reflux liquid across the apertures therein.
4. Apparatus for the distillation of liquids as set forth in claim 3 wherein said vertically disposed sheets of galloon netting are substantially parallel.
OLAF GEORGE DIXON.
. REFERENCES CITED- The following references are of record in the file of this patent:
v UNITED STATES PATENTS- Number Germany Aug. 29, 1912
US730678A 1946-02-28 1947-02-25 Contacting liquids with gases or vapors Expired - Lifetime US2615699A (en)

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Cited By (30)

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US2725403A (en) * 1950-08-04 1955-11-29 Ici Ltd Hydration of olefins
US2730189A (en) * 1950-02-09 1956-01-10 Degussa Platinum recovery
US2792002A (en) * 1952-04-09 1957-05-14 Jefferson Medical College Oxygenating unit for extracorporeal circulation devices
US2793015A (en) * 1953-12-23 1957-05-21 Marcus C Thompson Evaporative air-conditioning apparatus
US2879979A (en) * 1956-11-08 1959-03-31 Byrhl F Wheeler Evaporative wheel
US2921776A (en) * 1954-09-29 1960-01-19 British Oxygen Co Ltd Gas/liquid contact devices
US2940168A (en) * 1954-09-28 1960-06-14 British Oxygen Co Ltd Method of manufacturing a packing for gas/liquid contact devices
US3218048A (en) * 1960-09-14 1965-11-16 Gen Cable Corp Packing for fractionating column and the like
US3318586A (en) * 1965-01-11 1967-05-09 Meredith Diven Mass transfer unit using spaced flexible materials, and method of construction
US3322411A (en) * 1965-03-29 1967-05-30 Lester P Moore Gas and liquid contact apparatus
DE1242187B (en) * 1963-09-03 1967-06-15 Sulzer Ag Filler for mass transfer columns
US3493219A (en) * 1969-01-07 1970-02-03 Czeslaw Stachowiak Trickle unit for cooling water
US3753337A (en) * 1971-06-18 1973-08-21 G Strausbaugh Gas cleaning system
US3901311A (en) * 1973-01-12 1975-08-26 Grumman Aerospace Corp Self-filling hollow core arterial heat pipe
US3913664A (en) * 1973-01-12 1975-10-21 Grumman Aerospace Corp Self-filling arterial heat pipe
US3997632A (en) * 1971-11-24 1976-12-14 Julius Montz Gmbh Monofil fabric for use as a perpendicular trickle wall in exchange columns
US4014962A (en) * 1972-03-23 1977-03-29 Del Notario Pedro Perez Heat and/or mass exchanger operating by direct contact between a liquid and a gas
US4017280A (en) * 1975-03-14 1977-04-12 Cleman Charles F Anti-pollution device for incinerators and the like
US4019870A (en) * 1975-01-31 1977-04-26 Croll-Reynolds Company, Inc. Air pollution control of oxides of nitrogen
US4022596A (en) * 1975-08-27 1977-05-10 Pedersen George C Porous packing and separator medium
US4184946A (en) * 1976-06-11 1980-01-22 Masashi Kato Sewage treatment with nested short tube contact media
US4203934A (en) * 1975-06-13 1980-05-20 Max Leva Tower packing element
US4277425A (en) * 1978-03-17 1981-07-07 Max Leva Tower packing element
US4310475A (en) * 1980-06-02 1982-01-12 Max Leva Tower packing assembly
US4352682A (en) * 1980-11-13 1982-10-05 Fmc Corporation Deoxygenating apparatus
EP0508223A1 (en) * 1991-04-09 1992-10-14 Balcke-Dürr AG Splashing element for cooling tower
US5384074A (en) * 1989-09-08 1995-01-24 Pedersen; John R. C. Carburetor metering system and wick
US5437819A (en) * 1994-01-26 1995-08-01 Ari Technologies, Inc. Fluid contacting apparatus and methods of making the same
US5498376A (en) * 1993-11-03 1996-03-12 Lantec Products, Inc. Packing
JP2013184104A (en) * 2012-03-07 2013-09-19 Shimizu Corp Filler, filler unit, and air purifying apparatus

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US1288504A (en) * 1917-05-31 1918-12-24 Newark Wire Cloth Company Wire-cloth.
FR540647A (en) * 1921-09-05 1922-07-13 Improvements to devices for condensation, absorption, washing or dissolution of gases and vapors
US1531112A (en) * 1921-05-28 1925-03-24 Frank E Lichtenthaeler Absorption apparatus
GB374707A (en) * 1931-08-31 1932-06-16 George Harrington Improvements in filling material or packing for absorption, washing or reaction towers, reflux condensers such as fractionating columns, or the like
US1889463A (en) * 1930-04-30 1932-11-29 Oxyammon Ag Catalyzer for the oxidation of ammonia with oxygen or with gases containing oxygen
GB526609A (en) * 1938-03-24 1940-09-23 Otto Wilputte Ovenbouw Mij Improved packing rings for gas washing and like towers
US2227164A (en) * 1939-04-26 1940-12-31 Foster Wheeler Corp Liquid and vapor contacting device
US2375336A (en) * 1943-03-17 1945-05-08 Standard Oil Co Vapor and liquid contacting apparatus
US2405593A (en) * 1944-02-04 1946-08-13 Francis L Melvill Packing for vapor and liquid contacting apparatus

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE263200C (en) *
US522549A (en) * 1894-07-03 George a
GB189412880A (en) * 1894-07-03 1894-10-13 George Amiel Barnard Improvements in Apparatus for Cooling or Condensing Fluids.
US1288504A (en) * 1917-05-31 1918-12-24 Newark Wire Cloth Company Wire-cloth.
US1531112A (en) * 1921-05-28 1925-03-24 Frank E Lichtenthaeler Absorption apparatus
FR540647A (en) * 1921-09-05 1922-07-13 Improvements to devices for condensation, absorption, washing or dissolution of gases and vapors
US1889463A (en) * 1930-04-30 1932-11-29 Oxyammon Ag Catalyzer for the oxidation of ammonia with oxygen or with gases containing oxygen
GB374707A (en) * 1931-08-31 1932-06-16 George Harrington Improvements in filling material or packing for absorption, washing or reaction towers, reflux condensers such as fractionating columns, or the like
GB526609A (en) * 1938-03-24 1940-09-23 Otto Wilputte Ovenbouw Mij Improved packing rings for gas washing and like towers
US2227164A (en) * 1939-04-26 1940-12-31 Foster Wheeler Corp Liquid and vapor contacting device
US2375336A (en) * 1943-03-17 1945-05-08 Standard Oil Co Vapor and liquid contacting apparatus
US2405593A (en) * 1944-02-04 1946-08-13 Francis L Melvill Packing for vapor and liquid contacting apparatus

Cited By (32)

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