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.

Screens are classified as fine or applications at but most often treatment step. coarse and then further classified as manually or mechanically cleaned. Coarse screens are used in preliminary treatment, while fine screens are used in lieu of sedimentation preceding secondary treatment or as a step in advanced wastewater treatment. Fine

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  Wastewater, Treatment, Screen, Fine, Wastewater treatment, Fine screens

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