Transcription of CHAPTER 6 WASTEWATER TREATMENT PROCESSES
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CHAPTER 6 WASTEWATER TREATMENT PROCESSES
TM 5 - 8 1 4 - 8. CHAPTER 6. WASTEWATER TREATMENT PROCESSES . 6-1. Preliminary and Primary Waste- further classified as manually or mechanically water TREATMENT PROCESSES cleaned. Coarse screens are used in preliminary TREATMENT , while fine screens are used in lieu of a. Introduction. Preliminary TREATMENT of sedimentation preceding secondary TREATMENT or WASTEWATER generally includes those PROCESSES as a step in advanced WASTEWATER TREATMENT . Fine that remove debris and coarse biodegradable screens as a preliminary or primary TREATMENT are material from the waste stream and/or stabilize more applicable to process or industrial wastes. the WASTEWATER by equalization or chemical addi- TM 5-814-3 provides detailed descriptions of tion. Primary TREATMENT generally refers to a these units and design considerations.
and flow measurement.Wastewater bypasses must also be provided. (a) Pumping.Pumping facilities may be employed to gaisufficient head for then wastewater to flow through the treatment works to the point of final disposal. Pumping is also generally required for recirculation of all or part of the flow around certain units within the plant.
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