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COD, Fat and Solids Reduction for Industrial Wastewater

Efficient wastewater pre-treatment to achieve indirect discharge quality

Compared to municipal wastewater, the generated industrial wastewater is much more polluted, and the composition of the wastewater varies greatly.

In particular, pollution by organic or inorganic substances depends on the sector of industry, the product range, the production methods and, last but not least, the individual usage behaviour.

Many industries discharge their wastewater directly into the sewer and must therefore comply with certain limits for COD and solids, ensure pH neutrality and reduce grease content to a minimum. Industries that operate their own biological wastewater treatment plant must also carry out this pre-treatment in order to ensure the functionality and economic operation of the plant.

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Greases and other dissolved and undissolved substances are separated with the HUBER Dissolved Air Flotation HDF.
Greases and other dissolved and undissolved substances are separated with the HUBER Dissolved Air Flotation HDF.
The HUBER Complete Plant ROTAMAT® Ro5 combines screening and grit trap in one plant.
The HUBER Complete Plant ROTAMAT® Ro5 combines screening and grit trap in one plant.
HUBER Micro Strainer ROTAMAT® Ro9 in operation.
The HUBER Micro Strainer ROTAMAT® Ro9 screw screen reliably separates solids.
HUBER Drum Screen RoMesh® during installation
For solids separation: HUBER Drum Screen RoMesh® during installation.
Schematic drawing of HUBER Fine Screen ROTAMAT® Ro1
The HUBER Fine Screen ROTAMAT® Ro1 can be installed in the channel as well as in the tank.
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PROCESS TECHNOLOGY

HUBER solutions to reduce COD, fat and solids in industrial waste water

Part of this industrial pretreatment is usually:

Depending on the industry sector, type of wastewater and degree of contamination, the right machines and components have to be selected, as for example high grease contents require screen cleaning with high pressure or hot water.

HUBER has decades of experience in dimensioning and selecting the optimum machine technology for each industry wastewater pre-treatment application. As different requirements also demand different types of systems, HUBER has developed a wide range of various screens, fine screens, flotation plants and sludge treatment systems, which are in use in thousands of installations worldwide.

Separated and compacted screenings and grit are disposed of, while separated flotate (= organics) is usually further utilised in anaerobic sludge treatment as co-substrate or in approved biogas plants.

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