“…Such packings have been used for absorption of VOCs or CO 2 (Brunazzi and Paglianti, 1997;Aroonwilas and Tontiwachwuthikul, 1998;Dang Van et al, 1998;Wang et al, 2001), gas-liquid desorption, e.g. removal of VOCs from wastewater by stripping (Hwang et al, 1992;Ortiz-Del Castillo et al, 2000;Cypes and Engstrom, 2004).…”