... Pall Ring has the features of High loading and throughput, low pressure drop, Good liquid & gas ... such as Toluene separation, ethylbenzene separation, isooctane separation and desulfurization system and so on.Application:Absorption, Aeration, Degassing, Desorption, ... : stainless steels, carbon steels, aluminum, copper, bronze and aluminum permeated steels, etc.Technical data of metal pall ...