Arachchige, U.S.P.R., Melaaen, M.C., 2012. Selection of packing material for gas absorption. European Journal of Scientific Research 87, 117-126.
Billet, R., Schultes, M., 1999. Prediction of mass transfer columns with dumped and arranged packings, Updated summary of the calculation method of Billet and Schultes, Chemical Engineering Research and Design 77, 498-504.
Darakchiev, S., Semkov, K., 2008. A study on modern high-effective random packings for ethanol-water rectification. Chemical Engineering and Technology 31, 1039–1045.
Darakchiev, S., Petrova, T., Darakchiev, R., 2005. Gas distribution in packed-bed columns with IMTP-Ring and Ralu-flow. Chemical and Biochemical Engineering Quarterly 19, 147–152.
Kohl, A., Nielsen, R., Gas Purification (5th ed.). 1997. Gulf Publishing Company, USA.
Nakov, S., Kolev, N., Ljutzkanov, L., Kolev, D., 2007. Comparison of the effective area of some highly effective packings. Chem. Eng. Process 46, 1385–1390.
Mackowiak, J., 2009. Extended channel model for prediction of the pressure drop in single-phase flow in packed columns. Chemical Engineering Research and Design. 87, 123–134.
Schultes, M., 2003. Raschig super-ring: a new fourth generation packing offers new advantages. Chemical Engineering Research and Design. 81, 48-57.