Vk. Jayaraman, EFFECT OF INTRAPARTICLE CONVECTION ON THE EFFECTIVENESS OF A BIPOROUSPELLET, Industrial & engineering chemistry research, 33(2), 1994, pp. 273-276
The effect of convective flow induced by an external pressure gradient
on the performance of a biporous pellet has been studied. The effecti
veness factor of such a pellet depends on the convective flow paramete
r, lambda, the Thiele modulus, and alpha, which characterizes the rati
o of macropore to micropore diffusion times. Considerable enhancement
in effectiveness due to convection occurs, especially when macropore d
iffusion is the controlling step.