Mass Transfer in a Rotating Packed Bed with Various Radii of the Bed

Abstract

This work examined the mass transfer efficiency of a rotating packed bed with various radii of the packed bed. Experimental results showed that k L a increased with decreasing volume of the packed bed. This may contribute to the significant end effects as the volume of the packed bed is reduced. A correlation which takes end effects into consideration for k L a in a rotating packed bed was proposed and is valid for different sizes of the rotating packed bed and for viscous Newtonian and non-Newtonian liquid systems. In addition, it was also found that the correlation could reasonably estimate most of the k L a data in the Higee literature.

Evaluation of alkanolamine solutions for carbon dioxide removal in cross-flow rotating packed beds

“…Therefore, the gas-liquid mass transfer would frequently be enhanced by a factor of 10-100 and the dramatic reduction in the equipment volume would be achieved, thereby reducing the capital and operating costs [5]. A variety of studies have appeared in which the attention was focused on the applications of the countercurrent-flow RPB in diverse processes such as distillation [6][7][8][9][10][11], absorption [12][13][14][15][16][17][18][19][20][21][22][23][24][25], stripping [26][27][28][29][30], deaeration [31][32][33][34][35], reactive precipitation [36][37][38][39][40][41][42][43][44][45][46][47], and ozone oxidation [48][49][50][51]…”

Feasibility of ozone absorption by H2O2 solution in rotating packed beds

“…Therefore, the size of the RPB would be dramatically reduced and, thus, the capital and operating costs would be reduced simultaneously [5]. The RPB can be used to enhance the O 3 transfer from gas phase to liquid phase based on the studies, which presented that the RPB has a wide applicability in a variety of gas-liquid contacting processes such as distillation [6,7], absorption [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23], stripping [24][25][26][27], deaeration [28][29][30][31][32], reactive precipitation [33], and ozone oxidation [34][35][36][37].…”

Characteristics of cross-flow rotating packed beds

“…As a result, the increase by a factor of 10-100 in the gas-liquid mass transfer would be achieved frequently and the size of the equipment would be reduced dramatically, thereby decreasing the capital and operating costs [2]. The countercurrent-flow RPB has been developed as an effective gas-liquid contactor in diverse processes, such as distillation [3,4], absorption [5][6][7][8][9][10][11][12][13], stripping [14][15][16][17], deaeration [18][19][20][21][22], reactive precipitation [23], and ozone oxidation [24][25][26][27].…”