Filtration systems / Wastewater treatment

Incourse of the use of ultransonic and spray cleaning systems the topic of filtration increasingly comes to the fore. Due to the process, cleaning and filtration are often closely related. That is why, we offer beside the cleaning systems also filtration systems for a wide variety of applications. Therefore you get everything from one provider.

The range of our filtration and wastewater treatment system is:

  • Reverse osmosis system
  • Micro- and ultrafiltration system
  • Sludge filtration system

Reverse osmosis system

Osmosis is a process on which almost all natural metabolic processes are based. If you separate two solutions with different concentrations in a system through a semipermeable membrane, the higher concentration solution always has the tendency to dilute itself. This process (osmosis) lasts until the osmotic balance is reached. In the reverse osmosis method, the direction of the osmotic flow is reversed. For this purpose, pressure must be exerted on the concentrated solution.

This pressure must be significantly greater than the osmotic pressure created by the natural concentration balance. In water treatment plants, which operate on the principle of reverse osmosis, synthetic membranes are used. These membranes are permeable to the water molecules. The ingredients dissolved in the water are retained by the membranes. The concentrated solution flows over this membrane with a high pressure. As a result, solution will be separated into a partial flow with water, in which the retained ingredients (concentrate) are.

Mikro- und Ultrafiltrations-Anlage

Microfiltration serves to extend the service life of cleaning fluids. The main difference between micro- and ultrafiltration lies in the different pore sizes. Filtration through membranes with a pore size < 0.1 microns is usually called ultrafiltration, while filtration with pore sizes > 0.1 microns is commonly called microfiltration. Both are physical (mechanical) membrane separation processes. The methods separate according to the principle of mechanical size exclusion (filtration principle), all particles in the liquids that are larger than the membrane pores are retained by the membrane. The driving force in both separation processes is the differential pressure between inlet and outlet of the filter surface, which is between 0.1 and 10 bar. The material of the filter surface may be ceramic or plastic depending on the application.

The microfiltration is realized in the "cross-flow" mode. In cross-flow filtration, the raw solution is flowed along the membrane surface, with only a small portion of the liquid passing through the membrane as permeate. The concentrate is used in a recycle stream for the continuous reduction of the concentration polarization and thus for the purification of the membrane.

Sludge filtration system

Depending on the material, wire-drawing emulsions, drawing pastes and powdery drawing agents such as stearates are used in the production and processing of wire. These must be removed together with metal particles and metal oxides prior to further processing of the wires in a cleaning system. In the case of stearate staining of wires, they must be removed with phosphoric acid. This is possible with the help of our wire cleaning systems.

In addition to wire cleaning systems, we offer systems that use big bags to filter the stearates from the cleaning agent. A diaphragm pump forwards the stearate-containing medium from the wire cleaning system into the filtration system. The filtration is carried out with Big-Bag of different sizes. An automatic control of valves and level sensors ensures a high utilization of the Big-Bags. The levels are monitored by sensors. The big bag change is shown on the PLC display. With a lifting device, the big bag carrier can be removed with the big bag and replaced with a new one.

You are searching a filtration system, please contact us.