At Lonza, highly accurate VEGAPULS 64 radar level sensors measure this solution in the so-called slurry tanks. Their measuring results form the basis for an exact concentration during "packing". The more accurate the level measurement, the more accurately the pack height can be calculated or estimated. Exact level readings influence both the yield and quality of these highly individualised and protected substances.
In the UF tank, ultrafiltration or diafiltration takes place, in which solutions are concentrated into widely varying volumes. VEGAPULS 64 radar sensors continuously ensure the correct level, i.e. volume, in the stirring tank, which can fluctuate by several hundred litres during a batch run. Part of the filtration process is the periodically repeated addition and removal of small quantities of RedOx buffering solution. These level changes are also precisely monitored and controlled by means of level measurement, in order to ensure the desired volume spectrum.