Profile: Puragen Activated Carbons provides the most diverse lines of activated carbon solutions. We offer a wide variety of raw material types such as steam activated coconut shell, bituminous and sub-bituminous coal, as well as steam and chemically activated wood. We offer OxGuard™ off-the-shelf and custom fabricated units and vessels to fit any application. It is designed for even flow distribution to maximize contact time and minimize channeling.