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.