DIRECT FILTRATION EFFLUENT POLISHING

Key Message

The need for improving the performance of existing plants in food and beverage facilities is already widespread. The increasingly stringent regulations or the underperformance of the existing plants require the implementation of advanced technologies for improving the quality of the treated water. Berghof tubular UF is an efficient, compact and robust technology for effluent polishing after the conventional aerobic or anaerobic systems.

Direct filtration for effluent polishing

As long as the discharge requirements are getting more and more demanding, conventional biological treatments are far from being sufficient. Therefore, tertiary treatment is required.

Berghof tubular UF is an efficient and competitive technology for removing the suspended and colloidal matter that get outs from the existing waste water treatment plant. In this way, direct UF allows producing a high-quality effluent free of solids, turbidity < 1 NTU. Moreover, the ability of tubular membranes to handle high concentrations of suspended matter allows the operation with high recoveries (> 95 – 98%) and minimum reject volumes. In the case that salt removal is required, the UF permeate (SDI < 3) can be directly treated with reverse osmosis.

Food and beverage effluent polishing - the process

When there is a need for improving the effluent quality in existing plants, tubular ultrafiltration is installed after the biological treatment, usually based on conventional activated sludge or SBR plants. The effluent from the clarifier is fed to the ultrafiltration membranes, producing a polished permeate and a concentrated reject, which is sent back to the upstream DAF process, if it exists, or to the biological reactor.

The UF permeate can be discharged to the sewer or surface water, and it is also possible to reduce the water footprint by reusing this stream, either directly or after removing the dissolved compounds with reverse osmosis.

effluent polishing food and beverage PFD

Manufactured in Germany

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Made in a state-of-the art LEAN-production facility, with highly-trained production personnel and materials of the highest quality.

With 50 years of experience and more than 2.000 projects worldwide, Berghof Membranes is the leading manufacturer of high quality tubular membranes.  

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Pilot systems & Labscale testing

Bridging the gap between lab-scale testing and manufacturing. Piloting gives you the confidence to apply the technology for your specific wastewater challenges.

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B-CARE® Service and Support

The B-CARE® program is an end-to-end comprehensive program developed to support our OEM partners from the piloting and engineering phase to operational system monitoring.

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Customer stories

Case Studies

50 years of experience and more than 2.000 project references across the globe.

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In China, a company manufactures 600K tons of sodium carbonate per year.

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Think outside the box

When it comes to membrane filtration, think outside the box and contact Berghof Membranes today.

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Location

International Sales Office:
Agora 4, 8934 CJ Leeuwarden, 
The Netherlands

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Phone : + 31 (0)58 8100 110

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