Random Packing

Random Packing For improved performance in new and existing towers. For over 50 years random packings have been successfully used as an inexpensive but very effective means to increase a tower’s capacity and/or efficiency. The original Raschig rings have been superceded by new generations of improved products. And today, whatever your application, genuine Koch-Glitsch designed random packings are available in the size and materials—metal, plastic, or ceramic—to provide optimum performance. Process Advantages of Random Packing There are numerous process advantages that can be realized by using...

A Tower Packing for Any Application Koch-Glitsch is unsurpassed in offering the widest range of sizes and styles of traditional and high performance random packings. Koch-Glitsch recognizes that while packings provide many valuable benefits, not all applications are demanding. The various packings in this brochure are of ring or saddle type construction and offer a variety of performance levels from conventional to high performance. Considerations in choosing a specific packing style are: Specific process requirements Direct replacement of an existing packing Familiarity with the packing type...

FLEXIRING™ Random Packing An economical and versatile industry standard with well-known performance characteristics. Pall ring random packing is still widely used today. It is specified in a number of licensed processes and has been tested by various researchers over the years. FLEXIRING™ packing from Koch-Glitsch is the industry recognized Pall ring packing equivalent. Koch-Glitsch offers a unique high strength FLEXIRING packing, with lower weight and improved mechanical strength, which provides an alternative to the 2-inch FLEXIRING packing. The mechanical strength of the high strength FLEXIRING...

Liquid Loading Top Curve to Bottom p/Zin wc/ft p, (in wc/ft) Liquid Loading Top Curve to Bottom System Air-Water, Ambient Tower: 30in. Diameter p/Zin wc/ft p, (in wc/ft) Liquid Loading Top Curve to Bottom Liquid Loading Top Curve to Bottom System Air-Water, Ambient Tower: 30in. Diameter p/Zin wc/ft p, (in wc/ft)

HY-PAK™ Random Packing An improved alternative to FLEXIRING or Pall type ring packing. An improvement to the FLEXIRING packing geometry is in the HY-PAK™ random packing, introduced to the market in the late 1960s. Maintaining a 1:1 aspect ratio, the number of fingers were doubled. The mechanical strength was enhanced through the introduction of circumferential stiffening ribs. The new geometry allowed the rings to be made slightly larger, effectively providing a new packing with increased capacity, reduced pressure drop, and no noticeable reduction in efficiency. HY-PAK packing is widely used...

IMTP™ Packing Provides low pressure drop and high efficiency. Developed in the late 1970s, IMTP™ random packing combines the advantages of the saddle shape packing with that of modern high performance ring type packings. The inherent shape provides a lower pressure drop at the same vapor and liquid loads compared to previous generation packings. IMTP random packing has been applied in numerous distillation and absorption columns around the world. For demanding applications, combining IMTP random packing with state-of-the-art INTALOX™ Packed Tower Systems column internals is recommended. For more...

IMTP #15 Liquid Loading Top Curve to Bottom CONDITIONS: Liquid Concentrations: 4% NaOH Conversion to Carbonate: 25% Inlet Gas Concentration: 1% CO2 Temperature: 75 ºF [24 ºC] Gas rate: 900 lb /(ft 2 hr) [1.22 kg/(m 2 s)] System Air-Water, Ambient Tower: 30 in. Diameter Tower Diameter: 30 in [0.76m] Bed Height: 10 ft [3.05m] Liquid Load, gpm/ft 2 p/Z (in wc/ft p/Z (in wc/ft) p, in wc/ft) Liquid Loading Top Curve to Bottom Liquid Loading Top Curve to Bottom System Air-Water, Ambient Tower: 30 in. Diameter System Air-Water, Ambient Tower: 30 in. Diameter

p/Z (in wc/ft p/Z (in wc/ft) p, in wc/ft) p/Z (in p/Z (in wc/ft) p, in wc/ft) wc/ft Liquid Loading Top Curve to Bottom Liquid Loading Top Curve to Bottom System Air-Water, Ambient Tower: 30 in. Diameter Fs, m/s (kg/m3)1/2 IMTP #70 Liquid Loading Top Curve to Bottom p/Z (in wc/ft p, in wc/ft) p/Z (in wc/ft)

Reasonable Minimum Wetting Rates Operating limits for a column are set by the wetting rate (lower limit) and flooding (upper limit). With IMTP random packing, distillation towers operate successfully in the range of 20-90% of flood. Estimated minimum wetting rates for aqueous systems are shown below. Lower wetting rates are possible with hydrocarbon systems. Packing efficiency remains relatively constant over 80% of the operating range. Minimum Wetting Rates SURFACE Carbon steel or copper Etched stainless steel Stainless steel, tantalum, other alloys The above values are based on a packing with...

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