... pall ring.Plastic pall ring's structure improves distribution of gas-liquid and its efficiency can be improved above 50% ... lower pressure drop, big flux, high effeciency and good distribution of liquid.Performance of Plastic pall ring:1. Good Capacity and ... such as toluene separation, ethylbenzene separation, isooctane separation and desulfurization system etc.Material: PE, PP, RPP, PVC, CPVC, PVDF, ...