... compounding ammonia plant, decarbonization , desulfuration ,separation of ethylbenzene, separation of isooctane/ methylbenzene, Absorption, Aeration, Degassing, Desorption, Distillation, Stripping, Heat Recovery, Extraction, ... towers, Direct contact cooling.Absorption Aeration Degassing DesorptionDistillation Stripping Heat Recovery Extraction Material: Stainless steel, carbon steel,aluminum,bronze, ...