Used Columns - Used and Surplus Inventory | IPP

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IPPE / UGE Inventory Photo

diameter in inches gig packed column
( 600 diameter in mm gig packed column )

Stock Number: 236075    Capacity: diameter in inches / 600 diameter in mm
Description: 600mm diameter 316L stainless steel (1.4435) packed column, manufactured by GIG,

 

IPPE / UGE Inventory Photo

31 diameter in inches kuhni tray column
( 800 diameter in mm kuhni tray column )

Stock Number: 236010    Capacity: 31 diameter in inches / 800 diameter in mm
Description: 800mm diameter x 9376mm total height 316Ti stainless steel (1.4571) vertical tray rectification column system, column manufactured by Kuhni, fabrik #217448, pressure atmospheric, 4500 liter capacity, (35) internal 316Ti stainless...

 

IPPE / UGE Inventory Photo

31 diameter in inches kuhni column
( 800 diameter in mm kuhni column )

Stock Number: 236011    Capacity: 31 diameter in inches / 800 diameter in mm
Description: approx 800mm diameter 316Ti stainless steel (1.4571) vertical column, manufactured by Kuhni, fabrik #217450, pressure atmospheric, 4500 liter capacity, bolt dished top, fully insulated and cladd

 

IPPE / UGE Inventory Photo

31 diameter in inches kunzi packed column
( 800 diameter in mm kunzi packed column )

Stock Number: 236072    Capacity: 31 diameter in inches / 800 diameter in mm
Description: approx 800mm diameter stainless steel packed rectification column with condenser, column manufactured by Kunzi Engineering Gmbh, fabrik #97241, internal pressure -1/6 bar @ 200 degrees C (1870 liter), jacket -1/6 bar @ 200...

 

IPPE / UGE Inventory Photo

31 diameter in inches gig packed column
( 800 diameter in mm gig packed column )

Stock Number: 236073    Capacity: 31 diameter in inches / 800 diameter in mm
Description: approx 800mm diameter stainless steel packed rectification/distillation column, manufactured by GIG, bolt dished top

 

IPPE / UGE Inventory Photo

31 diameter in inches enco packed column
( 800 diameter in mm enco packed column )

Stock Number: 236074    Capacity: 31 diameter in inches / 800 diameter in mm
Description: approx 800mm diameter stainless steel packed rectification column, manufactured by Enco, fabrik #8971,

 

IPPE / UGE Inventory Photo

48 dia(in) praj industries ltd tray column
( 1219 dia(mm) praj industries ltd tray column )

Stock Number: 235301    Capacity: 48 dia(in) / 1219 dia(mm)
Description: UNUSED, 48" diameter, 304L SS, CO2 scrubbing column, Rated for FV/9 psi at 113 degrees F. Thirty, 304 L SS, sieve trays, spaced at 1' 6" apart. Mounted on 3' 10' skirt. Overall height 53' 9". manufactured by Praj Industries...

 

IPPE / UGE Inventory Photo

41 dia(in) praj industries ltd. tray column
( 141 dia(mm) praj industries ltd. tray column )

Stock Number: 235302    Capacity: 41 dia(in) / 141 dia(mm)
Description: UNUSED, 41" diameter, 304L SS, process vent scrubbing column. Rated for 9 psi at 113 degrees F. Thirty 304L SS sieve trays, spaced at 1' each, mounted on a 3'10" skirt, overall height 38' 4". manufactured by Praj Industries...

 

IPPE / UGE Inventory Photo

157 dia(in) praj industries ltd. tray column
( 3987 dia(mm) praj industries ltd. tray column )

Stock Number: 235303    Capacity: 157 dia(in) / 3987 dia(mm)
Description: UNUSED, 157" diameter 304L SS, R-H Grid column. Rated for FV/ 14 psi at 221 degrees F. (19) R-H grid, 304L SS trays, spaced at 2' 6" apart. Vertical orientation with a length of 70' 4" Skirt height 9' 8". . Manufactured...

 

IPPE / UGE Inventory Photo

19 dia(in) praj industries ltd. tray column
( 482 dia(mm) praj industries ltd. tray column )

Stock Number: 235304    Capacity: 19 dia(in) / 482 dia(mm)
Description: UNUSED, 19" diameter, 304L SS, sieve tray scrubbing column. Rated for FV/14 psi at 113 degrees F. With 8 sieve trays of 304L SS, spaced at 1' apart. Overall length is 11' ", mounted on a 8' 8" skirt. Overall height is 22'....
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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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