The task:

Filtering liquids that are difficult to filter in an energy- and cost-saving way

The solution:

The WEF ultra/nanofiltration with oscillating drive

Using resources responsibly

Water, energy and raw materials are limited. It is important to use them efficiently and responsibly. We want to do our part to ensure that previously lost raw materials are returned to the cycle.

With our innovative, oscillating filtration system, we have developed a method of cleaning difficult-to-filter liquids and extracting and filtering components in an energy- and cost-saving way.
Efficient, innovative and sustainable.

Bastian and Reinhold Wesselmann from Lastrup at the WEF ultrafiltration plant

Bastian and Reinhold Wesselmann

The WEF oscillating filtration system was developed for the ultrafiltration of liquids that are difficult to filter.

WEF filtration is carried out using the cross-flow process, in which the contaminated medium flows over the filter membrane. In this process, water particles penetrate pores smaller than 0.001 μm, while the contaminated part is returned to the body. In order to prevent performance-reducing deposits on the filter membrane, it is set into oscillating resonant oscillations. Due to the resonance vibration, it is possible to work with lower pressure and less flow velocity. This saves energy and costs.

Conventional filtration and WEF oscillating filtration in comparison

Conventional filtration:

Cost-intensive: In conventional systems, filter membranes quickly become clogged. Which reduces service life.

Cost-intensive: In conventional systems, filter membranes quickly become clogged. Which reduces service life.

WEF oscillating filtration:

Cost-effective: WEF cross-flow ultrafiltration with oscillating drive. Filter membranes remain free. Which significantly increases service life.

Cost-effective: WEF cross-flow ultrafiltration with oscillating drive. Filter membranes remain free. Which significantly increases service life.

Filtration cylinders with different filtration stages from Wesselmann

The filtration process

Microfiltration

>0.1 μm
Bacteria and fuels

Ultrafiltration

>0.01 μm
Viruses, colloids

Nanofiltration

>0.001 μm
Metal Ions

The advantages in a nutshell

  • Very low energy costs, as no high pump output is required.

  • Long service life of the filter membranes.

  • Less downtime for cleaning processes.

  • Filtration modules can be easily replaced for maintenance purposes.

  • Suitable for self-sufficient drinking water supply.

Possible applications for WEF oscillating filtration systems

 
Ultrafiltration in the food industry

Food industry

  • Production of dairy products

  • Extraction of proteins from plant and animal products

  • Extraction of pectins from plant residues

  • Processing of wine, beer and fruit juices

Ultrafiltration in the paper and textile industry

Paper and textile industry

  • Reuse and recovery of process water

  • Separation of fibers, dyes and particles

  • Reduction of fresh water consumption

  • Improving environmental impact

Ultrafiltration in process water recycling 

Process water recycling 

  • Food production

  • Agriculture

  • Industry

  • Navigation

  • Production of drinking water

Current projects from Wesselmann Energy and Filtration

Projects
From waste to raw material
From waste to raw material

Another area of application for WEF oscillating filtration systems is in the food industry. In the case of this cooperation, to be more precise: the field of biotechnology. Researchers want to establish the pulp of the coffee cherry as a valuable raw material.

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Self-sufficient drinking water production. A solution exactly where it is needed.
Self-sufficient drinking water production. A solution exactly where it is needed.

Cleaning liquids: This is not only relevant for industry. It is also relevant for drinking water supplies. You can find out what contribution we would like to make here

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Product information on WEF oscillating filtration