Transcription of CHAPTER 3 PRIMARY TREATMENT - wefnet.org
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CHAPTER 3 PRIMARY TREATMENT - wefnet.org
1 CHAPTER 3. 2 PRIMARY TREATMENT . 3. 4 Learning Objectives 5. 6 This CHAPTER covers the major concepts associated with PRIMARY TREATMENT . By the end of 7 this CHAPTER , a student should be able to: 8 Define the objective of the PRIMARY TREATMENT process;. 9 Distinguish between PRIMARY sedimentation tanks and secondary clarifiers;. 10 Identify the basic principle underlying the PRIMARY TREATMENT process;. 11 Describe the components of PRIMARY sedimentation tanks including inlet and 12 outlet structures;. 13 Explain the main considerations for sludge and scum removal and disposal;. 14 List the factors that affect PRIMARY sedimentation tank efficiency;. 15 Describe the key elements of process control and testing as these relate to the 16 operation of the PRIMARY sedimentation tank;. 17 Outline the key troubleshooting and maintenance concerns related to PRIMARY 18 TREATMENT ; and 19 Identify the specific safety concerns associated with the PRIMARY sedimentation 20 process.
Primary Treatment 3-5 1 Table 3.2 Dimensions and Parameters for Rectangular and Circular Primary Settling 2 Tanks 3 4 Inlet 5 The settling tank inlet slows down the velocity of wastewater entering the tank and 6 distributes the flow across the tank. If more than one settling tank is being used, a splitter box ...
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