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United Facilities Criteria CD 1
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> Army Plate And Frame Filter Press - index
Army Plate And Frame Filter Press - index
Chapter 1. Introduction - ufc_3_280_030008
Chapter 1. Introduction cont. - ufc_3_280_030009
Chapter 2. Design Considerations
Definitions.
Figure 2-1. Filter Press Cycle Relationships (WPCF-1983).
Definitions. - Continued
Objectives.
Fixed-Volume Press.
Figure 2-2. Fixed- Volume Recessed Filling And Cake Discharge Plate Filter Press ( EPA 1987).
Figure 2-3. Variable Volume Recessed Plate Filter Press Filling And Cake Discharge ( EPA 1987).
Common Principles Of Operation.
Chemical Sludge.
Figure 2-4. Overall Schematic Of Sludge Treatment And Disposal Options (EPA 1897) .
Table 2-1. Comparison Of Mechanical Sludge Dewatering Processes for Various Sludge Applications.
Table 2-2. Advantages And Disadvantages of Filter Press Systems Compared With Other Dewatering Processes.
Table 2-3. Advantages And Disadvantages Of Fixed- Volume Versus Variable- Volume Filter Presses.
Disadvantages.
Process Factors
Typical Performance Data
Case Studies
Table 2-4. Typical Sludge Dewatering Performance Data Fixed-Volume Filter Press
Table 2-4. Typical Sludge Dewatering Performance Data Fixed-Volume Filter Press - Continued - ufc_3_280_030029
Table 2-4. Typical Sludge Dewatering Performance Data Fixed-Volume Filter Press - Continued - ufc_3_280_030030
Table 2-5. Typical Sludge Dewatering Performance Variable- Volume Filter Press
Design Considerations - ufc_3_280_030032
Sludge Transport
Figure 2-5. Schematic Of Typical Filter Press System (WPCF1983).
Table 2-6. Overview Of Typical Design Conditions for Filter Press Applications
Table 2-6. Overview Of Typical Design Conditions for Filter Press Applications - Continued - ufc_3_280_030036
Table 2-6. Overview Of Typical Design Conditions for Filter Press Applications - Continued - ufc_3_280_030037
Pump Characteristics - ufc_3_280_030038
Pump Characteristics - Continued
Table 2-7. General Application Guide for The Selection of Sludge Pumps
Other Sludge Transfer Processes
Degritting and Grinding
Chemical Conditioning
Lime and Ferric Chloride Conditioning
Lime and Ferric Chloride Conditioning - Continued
Polymer Conditioning
Figure 2-6. Schematics of typical ferric chloride and lime and polymer conditioning
Filter Aids
Filter Press Plates
Figure 2-7. Schematic Side Views Of Recessed Plate And Filter Frame Filter Presses ( EPA 1988).
Filter Media - ufc_3_280_030051
Table 2-8. Typical Filter Press Plate Sizes And Weights.
Light Curtains
Filter Press Accessories And Auxiliary Systems
Polymer Feed Systems.
Polymer Feed systems cont.
Chemical Feed Control Systems.
Wash Systems
Figure 2-8. Schematics of Dry And Wet Material feed Precoat Systems.
Compressed Air Systems
Compressed Air Systems - Continued
Filter Press Control and Instrumentation
Remote Manual Systems
Safety And Interlocking Systems.
Interlock Systems
Sludge Cake Handling and Storage.
Sludge Cake Storage
Sludge Cake Transport
Filtrate and Cake Waste Management.
Disposal of Sludge Cake
Legal Requirements And Permits
Treatability Studies
Capillary Suction Time Testing.
Pilot-Scale and On-Line Testing
Concentration Related
Sludge Piping
Equipment Requirements.
Construction Materials And Installation Considerations
Filter Media - ufc_3_280_030079
Filter Press Accessories And Auxiliary Systems.
Sludge Pumps And Piping
Installation Requirements - ufc_3_280_030082
Figure 2-10. Typical Floor Plan Layout Filter Press Dewatering System
Figure 2-11. Typical Building Cross Section Filter Press Dewatering System( WPCF 1983).
Figure 2-12. Floor Plan Single Filter Press Dewatering System.
Operation And Maintenance.
Table 2-9. Most Common Design And Operational Shortcomings Of Filter Press Installations
Operations Concerns
Poor Cake Release.
Storage Requirements
Emergency Power
Fixed-Volume Press Operation
Table 2-10. Typical parameters and schedule for normal and preventive maintenance for filter press equipment.
Filter Plates and Filter Media Cleaning.
Additional Housecleaning Design Considerations
Heating and Ventilation.
Design Analysis - ufc_3_280_030097
2-10.2 Drawings And Details for Bidding And Construction .
Chapter 3. Design Calculations
Composition And Concentration Dependent Calculations
Process Calculations
Precoat Storage.
Flow - Dependent Calculations
Equalization Requirements And Variations Allowances.
Special Ventilation Systems.
Additional Requirements - ufc_3_280_030106
Chapter 4. Checklist For Design Documents
Chapter 4. Checklist For Design Documents - Continued
Chapter 5: Design Examples
Design Examples - ufc_3_280_030110
Design Calculations.
Table 5-1. Selection chart of recessed fixed-volume plate and frame filter press units.
Figure 5-1. Schematic for sludge dewatering process design example no. 1.
Sludge Storage, Conditioning, and Feed Systems.
Compute the Size of Lime Storage Facility Required
Compute the Size of the Conditioning Tank
Sludge Cake. - ufc_3_280_030117
Compute Volume Of Filtrate
Dewatering Equipment Requirements.
Select Proper Filter Press Unit.
Supporting Systems
Table 5-2. Selection Chart Of Recessed Variable- Volume Plate And Frame Filter Press Units.
Figure 5-2. Schematic for sludge dewatering process design example no. 2.
Compute the Size of Sludge Storage Required.
Compute the Size of the Polymer Storage Facility Required
Sludge Cake. - ufc_3_280_030126
Compute Volume of Filtrate.
Assumptions
Biological Sludge.
Metal Hydroxide Sludge.
Selection of Efficient Filter Press Unit.
Table 5-3. Selection chart of recessed fixed-volume plate and frame filter press units.