Description
Food Industry Dissolved air flotation WWTP System
In the DAF System, the floc seeding method is accomplished with the following steps:
- 100% of the waste stream is sent to the DAF System.
- The waste stream is exposed to high pressure (100-120 psi).
- Air is dissolved into the waste stream using new technology.
- Flocculation chemicals are injected into the waste stream using new technology.
- The floc is formed in the now air-enriched wastewater.
- Dissolved air is now entrapped inside the floc structure.
- Water pressure is lowered to ambient.
- Dissolved air in floc structure comes out of solution.
- Air inside floc expands, pushing out water.
- Flocs now float by themselves, as they are now “hollow”.
- Clean water and buoyant flocs are delivered to floatation tank.
| 20m3/hr Dissolved air flotation Specification | ||
| Parameter | Units | DAF 020 |
| DAF Flow Rate | m3/hr | 20 |
| Total Inlet Solids | mg/L | 500-6500 |
| FOG Removal | % | 80~97 (Application Dependent) |
| TSS Removal | % | 60~99 (Application Dependent) |
| COD Removal | % | 20~80 (Application Dependent) |
| BOD Removal | % | 20~80 (Application Dependent) |
| Power Consumption | kW | 3.15 |
| Footprint | m | 5.9*3.2 |
| Inlet | in | 6 |
| outlet | in | 6 |
| Sludge outlet | in | 6 |
| Vent | in | 4 |
|
STANDARD INCLUSIONS + OPTIONS ✓= Standard Supply, o = Optional Supply |
||
| Skimmer Mounted Plant | ✓ | |
| Feed Pump | ✓ | |
| Micro bubble generator | ✓ | |
| Recycle clean water system | ✓ | |
| Maintenance platform, ladder | ✓ | |
| Pre-Treatment | o | |
| Control System | ✓ | |
| Control System with PLC | o | |
| Air Compressor | ✓ | |
| Treated Water Recycling for Saturator | o | |
| Coagulation, flocculation reaction device | o | |
| Chemical powder dissolving dosing device | o | |
Food Industry Dissolved air flotation Details
- DAF has been successfully applied to the treatment of process and wastewater,water in many industries, including:
- Food industry
- Beverage industry
- Municipal sewage treatment
- Industrial wastewater treatment
- Recycling/Recovery of useful materials
- Water treatment
Application of air flotation
- Solids separation upstream of secondary processes such as:
- Oxidation Ditches
- Sequencing Batch Reactors
- Biological Aerated Filters
- Dissolved Air Flotation -Moving Bed Bio Reactors -Membrane Bio Reactors Primary treatment for new plants Grit removal after a coarse screen
- Increase primary or secondary process capacity
- Plant expansion where land is expensive or unavailable
- Dig-free, concrete-free solution for mountainous or earthquake-prone areas
- Combined sewer overflow (CSO) treatment
- Stormwater treatment
Food Industry Dissolved Air Flotation Cost-Effective
Our packaged DAF plants are pre-assembled and pre-tested in our controlled facility, often saving 50 percent or more over in-situ construction. They can also be integrated into pre-engineered building systems for increased savings and reduced schedule. Their small footprint also reduces building costs.
Simplicity
Our DAF plants are quiet, simple and easy-to-operate with minimal operator input. They are also supplied complete with chemical dosing, water quality instrumentation, automatic controls and monitoring systems customized to meet local needs.
Food Industry Dissolved Air Flotation Standard Features
- Adjustable effluent weir troughs
- Epoxy coated carbon steel tank
- Factory tested
- Seamlessly integrates with other Hydro-Flo offered wastewater products
- Stand alone operation
- Standard units can be manufactured for flows from 5 gpm to 3500 gpm and above, in a single above grade tank
- Structural steel support legs
