【正文】 vail university period study ultra petroleum refining engineering and chemical engineering theory andreference oil refining chemical engineering munication grade half cloth propitious finish these degree design off of. Atmospheric tower design is mainly products Engler distillation data to calculate the product of the physical property data to determine the cutting program to calculate the yield of the product. Reference to similar devices to determine the plate number, location of feeding and lateral line out, and then determine the major parts of the operating pressure and assumed operating temperature, fulltower heat balance calculations, to take two condensing cooling tower and two midback. Tower for heat: the first heat to take back the middl