Extensive pre-testing was carried out on these special wastewater treatment modules to find the ideal combination of ceramic membranes, pore sizes and pump technology. This was the only way, despite the compact design, to minimise the performance losses of the various resistances in the cross-flow filtration and to guarantee a constantly high output. Instead of a hydraulic control system, we opted for electronically controlled pump systems for reasons of safety, reliability and space constraints.
Optimal use of space
We also met all maintenance requirements by designing a filter system which allows easy and safe mounting and removal of pumps and modules. The fold-out control cabinet makes optimum use of the space and the equipment is well protected, whilst still offering fast and direct access. As the system is controlled automatically, parameters such as the flow rate, pressure or temperature can be monitored automatically. Regular safety routines prevent clogging of the membrane pores and fully automatic cleaning cycles can be initiated to prevent damage to pumps and membranes. We opted for tried-and-tested Siemens technology for the touch control panel.