Raschig ring

Fig. 18. Peclet numbers in large scale gas—Hquid contactors using 2.54-cm Bed saddles (---) or 2.54 cm (---) or 5.08 cm (----) Raschig rings (51).

Fig. 20. Improved packing parameters ( ) for liquid mass transfer (a) ceramic Raschig rings (b) metal Raschig rings (c) ceramic Bed saddles (d) metal PaH...

Fig. 21. Random packing elements for distillation columns (a), Raschig ring (metal) (b). Bed saddle (ceramic) (c), Intalox saddle (ceramic) (d), PaH ring...

For Raschig rings, Berl saddles, and spiral tile ... [Pg.622]

E] Based on oxygen transfer from water to air 77 F. Liquid film resistance controls. (Dwnei- 77 F = 2.4 X 10 ). Equation is dimensional. Data was for thin-waUed polyethylene Raschig rings. Correlation also fit data for spheres. Fit 25%. See Reiss for graph. [Pg.622]

E] Ammonia absorption into water from air at 70 F. Gas-film resistance controls. Thin-waUed polyethylene Raschig rings and 1-inch Intalox saddles. Fit 25%. See Reiss for fit. Terms defined as above. [Pg.622]

Ion exchange resins formed into Raschig rings MTBE Flato and Hoffman, Chem. Eng. Tech., 15,... [Pg.1321]

FIG. 14-58 Typical holdup data for random packings and the air-water system. The raschig rings are of ceramic material. To convert pounds per hour per fr to Idlograms per second per m , multiply hy 0.001.356 to convert inches to millimeters, miinltiplyhy 25.4. [Shulman etal., AIChE J. i, 247 (I.9.5.5).]... [Pg.1393]

Weisman and Bonilla [Jnd. Eng. Chem., 42, 1099 (1950)] determined effective area 7 of 25-mm (1-in) Raschig rings indirectly through the reladonship 7 = The /cg data were obtained via... [Pg.1397]

FIG. 14-67 Effective interfacial area based on data of Fellinger. (a) 1-in Raschig rings, (h) 1-in Berl saddles. To convert square feet per cubic foot to square meters per cubic meter, multiply by, 3.28 to convert pounds per hour-square foot to kilograms per second-square meter, multiply by 0.001,356. [Shul-man. Am. Inst. Chem. Eng. J., i, 2,57 (I,9,5,5).]... [Pg.1397]

FIG. 14-69 Comp arisen of effective and wetted areas, 25-mm Raschig rings. To convert ciiLic feet per square foot-hoiir to ciiLic meters per square meter-second, multiply hy 8.47 X 10 to convert square feet per ciiLic foot to square meters per ciiLic meter, multiply hy 3.28. [Yoshida and Koyanagi, Am. Inst. Chem. Eng. J., 8, 30,9 (1962).]... [Pg.1398]

Jackson and Calvert [Am. Inst. Chem. Eng. J., 12, 1075 (1966)] studied the collection of fine fuel-oil-mist particles in beds of V2-iu glass spheres, Raschig rings, and Berl and Intalox saddles. The mist had a mass median particle diameter of 6 Im and a standard deviation of 2.0. The collection efficiency as a function of particle size and gas... [Pg.1433]

FIG. 15-35 Extraction of diethylamine from water into toluene (dispersed) in towers packed with unglazed porcelain Raschig rings, To convert feet to meters, multiply hy 0,3048 to convert inches to centimeters, multiply hy 2,54, [Leihson and Beckman, Chem, Eng, Prog, 49, 405 (1953), with permission.)... [Pg.1477]

FIG. 15 53 Effect of pulsing on extraction in a packed column methyl isobutyl ketone-acetic acid-water (continuous). Tower diameter = 1.58 in, 27-in depth of V4-in Raschig rings. = Vc = 7.5 to 10. To convert inches to centimeters, multiply by 2.54. [Data of Chanhy, von Berg, and Wiegandt, Ind. Eng. Chem., 47, 1153 (1.9.55), with permission. ... [Pg.1489]

Liquid benzene is chlorinated in the presence of metalhc iron turnings or Raschig rings at 40 to 60°C (104 to 140°F). Carbon tetrachloride is made from CS9 by bubbling chlorine into it in the presence of iron powder at 30°C (86°F). [Pg.2104]

TABLE 23-7 Selected Absorption Coefficients for CO in Various Solvents in Towers Packed with Raschig Rings ... [Pg.2107]

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