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EVAPORATION UNIT OPERATIONS
(RCEUO)
Format: Video
O V E R V I E W
The purpose of this unit is to introduce trainees to the principles of evaporation and the purpose of evaporation in process systems. The focus of the unit is on the advantages and applications of various types of evapora¬tors used in industry and on standard operator duties.
O B J E C T I V E S
Principles of Evaporation
- Describe the basic principles of evaporation.
- Describe some of the process variables that can affect the operation of evaporator systems.
Batch and Continuous Evaporator Systems
- Describe the components and operation of a batch evaporator system.
- Describe the components and operation of a continuous evaporator system.
- Describe how liquid level can affect evaporator system operation.
Film Evaporator Systems
- Describe the components and operation of a rising film evaporator, a falling film evaporator, a wiped film evaporator, and a multiple-effect evaporator.
- Describe the components and operation of a plate evaporator.
Evaporator Auxiliaries
- Describe how auxiliary devices and systems such as condensers, air removal systems, pumps, valves, storage tanks, purging systems, heat exchangers, and centrifuges are used in evaporator systems.
Evaporator System Startup
- Describe general startup procedures for a typical evaporator system.
Evaporator System Operation and Shutdown
- Describe general operator responsibilities during evaporator system operation.
- Describe general shutdown procedures for an evaporator system.
S U B J E C T S
Principles of Evaporation
Batch and Continuous Evaporator Systems
- Batch evaporator systems
- Continuous evaporator systems
- Feed level
Film Evaporator Systems
- Rising film evaporator systems
- Falling film evaporators
- Wiped film evaporators
- Multiple-effect evaporators
- Plate evaporators
Evaporator Auxiliaries
- Condensers
- Air removal systems
- Pumps, valves, and storage tanks
- Purging systems
- Heat exchangers
- Centrifuges
Evaporator System Startup
- General evaporator system procedures
- Pre-startup checks
- Startup
Evaporator System Operation and Shutdown
- Evaporator system operation
- Evaporator system hot shutdown
- Evaporator system cold shutdown
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