I do mean the version that was available in 2013. The paper does not list explicit values for the porous media coefficients. The paper only list the force terms and porous coefficient equations as such : 

The results look reasonable but the values are not correct. My fe which is the wettability is higher than the maximum value of 1. Moreover, the volume fraction should not be 1 in the packed bed region. 

I can not have my current volume fraction results because I want to enable mass transfer later. If mass transfer is enabled with the current results than species transport will only occur at the gas-liquid interface.