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  • Do you know that each of our sales staff has an average of over 25 years of process / chemical plant equipment experience? 

  • We have a significant amount of inventory online—in fact we have over 15,000 pieces online. Due to the nature of our daily business of buying and selling, not all of our equipment is listed on our site.

  • If you would prefer, let us spend our time searching for the equipment that is suitable for your needs and we will send you a quote.

  • Fill out our form with specifications and as much information regarding the project, process or piece that you are interested in. We will assign your request to a salesperson right away and have them follow-up with you directly. 

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IPPE Inventory Photo

23 diameter inch contactor column
( 584 diameter mm contactor column )

Stock Number: 212764    Capacity: 23 diameter inch / 584 diameter mm
Description: 597mm diameter x 5277mm high 316 s/steel agitated contactor column, manufactured by Kleiser and Losch, serial # 10792, pressure rated 2.5 bar @ 150 deg C, 1456 ltr, bolt flat top and bottom, column chamber in (4) bolted sections...

 

IPPE Inventory Photo

23 diameter inch contactor column
( 584 diameter mm contactor column )

Stock Number: 212763    Capacity: 23 diameter inch / 584 diameter mm
Description: 597mm diameter x 5277mm high; 316 s/steel agitated contactor column, manufactured by Kleiser and Losch, serial # 10791, pressure rated 2.5 bar @ 150 ° C, 1456 Liter, bolt flat top and bottom, column chamber in (4) bolted...

 

IPPE Inventory Photo

31 diameter inch kuhni contactor column
( 800 diameter mm kuhni contactor column )

Stock Number: 802191    Capacity: 31 diameter inch / 800 diameter mm
Description: 800mm diameter x 4355mm straight side, 321 stainless steel (1.4541) agitated extractor column. bolt dished top and bottom. 2-sections, Manufactured by Kuhni, type E800/24, Serial # 81819, design pressure -1/+ 6.2 bar @ 160...

 

IPPE Inventory Photo

60 diameter inch contactor column
( 1524 diameter mm contactor column )

Stock Number: 207417    Capacity: 60 diameter inch / 1524 diameter mm
Description: 6" X 4.4" Hastalloy C 278 Agitated Seperation Column.Manufactured by Kuhni, for liquids seperation. Fabrication # 722399. Column and jacket both rated for 29 psi at 329 degrees F. Volume of the column is 7 gallons, volume...

 

IPPE Inventory Photo

35 diameter inch gebrueder schmeck gmbh contactor column
( 889 diameter mm gebrueder schmeck gmbh contactor column )

Stock Number: 205958    Capacity: 35 diameter inch / 889 diameter mm
Description: 900 mm diameter x 5.580 m high, 316SSTi / 1.4571 SS, Extraction column, Manufactured by Gebr. Schmeck GmbH-Siegen, Germany, Type LEC-7, SN # 3.957211 II. Rated 3 bar @ 100 degrees C internal, volume 3450 liters. Wth Lightnin...

 

IPPE Inventory Photo

12 diameter inch kühni contactor column
( 305 diameter mm kühni contactor column )

Stock Number: 204148    Capacity: 12 diameter inch / 305 diameter mm
Description: 320 mm diameter stainless steel 12 stages agitated extraction column, manufactured by KÜHNI, rated Operating pressure -1/2 bar, with Stöber gear box, R25/4 (75-375 infinitely variable), Double mechanical seal, type Crane...

 

IPPE Inventory Photo

14 diameter inch otto york contactor column
( 356 diameter mm otto york contactor column )

Stock Number: 204041    Capacity: 14 diameter inch / 356 diameter mm
Description: 14" x 32'10" (~355mm x 10000mm) OAH, Hastelloy C-22 , Contactor Column with welded dish bottom head, skirt mounted with top mounted agitator. Manufactured by Otto H York, Serial # 14701, Certified by Robert Mitchell, Serial...

 

IPPE Inventory Photo

18 diameter inch kuhni contactor column
( 457 diameter mm kuhni contactor column )

Stock Number: 33884    Capacity: 18 diameter inch / 457 diameter mm
Description: 18" dia x 14' high, 316SS extraction column. 217 gal. Mfd by Kuhni (Basel,Switzerland), SN 218328. Rated 14.5 psig @ 212 deg F. Bolt dish top and btm. Has 1-8' section; (2) 36" long heads. Unit has top entering agit. Mech...

Used (Second Hand) Fractional Distillation Columns / Towers

Fractional distillation is the most common industrial separation process. Because distillation uses significant energy for both heating and cooling, it can account for half or more of a particular plant's entire operating costs. It's important to save on the capital equipment of a new distillation plant or an expansion project. Buying previously owned, aka used or second hand, distillation columns saves capital.

Another reason to consider buying used or second hand distillation columns is that the most effective ways to reduce distillation operating costs are through process optimization and control techniques, such as measuring differential pressure, not by buying newly manufactured columns.

Used Columns

IPP stocks 4 types of columns:

  1. Plate or Tray Columns - commonly used as absorption columns, rectification columns, reflux columns, stripping columns and splitting columns. Contain series of trays or plates. Types of tray columns stocked include sieve tray, valve tray, ballast tray and bubble-cap columns. Prior uses include methanol recovery in PTA, plastic and formaldehyde plants, dehydration in plastic and glycol/glycerin plants, NOx abatement and organic compound stripping among others.
  2. Packed Columns - like tray columns are used for absorption, rectification, stripping plus humidification, dehumidification/dehydration and as fractional distillation columns. Packed bed columns are also found in other separation processes like removing dust, mist and odors. The tower packing varies in material, shape and design depending on the application and includes random packing and structured packing designs. Prior uses include distilling phenol columns at BPA plants,
  3. Contactor Columns - Commonly used as extraction columns for viscous or fouling materials. Feature agitator drives on top of the column to disburse one liquid into another.
  4. Glass Lined Columns - packed bed columns designed for highly corrosive and reactive environments such as plants using or producing acids like HCl, acetic and nitric acid. Glass columns are frequently used as absorption, stripping, extraction and fractional distillation columns. IPP has glass distillation columns from premier glass-lined equipment OEMs like De Dietrich and Pfaudler.

IPP's stock of fractionation columns were used in a wide array of applications such as solvent recovery columns in Benzene, Toulene, Styrene, VCM plants, purification columns and light alcohol distillation columns in specialty chemical plants, steam stripping columns in the agrichemical/fertilizer industry at ammonia, urea, and di-methyl amine (DMA) plants, in VOC scrubbing systems for removing unreacted olefins and hydrocarbons found at PET plants and high vacuum batch distillation processes among others.

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