Auxiliary Vessels

Topic I: The Process System • Identify the major parts of a process system. • Define the terms primary vessel and auxiliary vessel. • List three major functions of auxiliary vessels. Topic II: Storage Vessels • Describe common types of auxiliary vessels that store bulk solids. • Describe general types of aboveground storage tanks that store bulk liquids. • Describe a common type of auxiliary vessel that stores gases. Topic III: Mixing Vessels • Define the terms homogeneous mixture and heterogeneous mixture. • Describe the basic parts and operation of a typical mixer. • Describe the two main types of impellers used for mixing low-viscosity liquids and explain how the positioning of an impeller can affect mixing. • Describe various types of impellers used for mixing high-viscosity liquids. • Describe the operation of a high-speed mixer. • Describe the operation of a jet mixer. Topic IV: Basic Separation Vessels • Define the following terms: density, backwashing, immiscible, and interface. • Describe how the use of separation techniques in auxiliary vessels is different from the use of separation techniques in primary vessels. • Describe the following types of auxiliary separation vessels: settling tanks, or separators; knockout drums; filters; and decanters. Topic V: Centrifuges and Cyclones • Describe the basic operation of a basket centrifuge. • Describe the basic operation of a solid-bowl centrifuge. • Describe the basic operation of a disc centrifuge. • Describe the basic operation of a cyclone. Topic VI: Clarifiers, Absorbers, and Adsorbers • Describe the basic operation of a clarifier. • Describe the basic operation of a scrubber or an absorber. • Describe the basic operation of an adsorber. Topic VII: Strippers and Evaporators • Describe the basic operation of a stripper. • Describe the basic operation of a continuous circulation evaporator. Topic VIII: Dryers • Describe the basic operation of a tray dryer, a pressure filter dryer, a drum dryer, a paddle-type dryer, and a double cone dryer. • Describe the basic operation of a desiccant dryer.