The analysis by Caramba revealed that the existing cleaning agent generated too much foam. This led to decreased sedimentation of the solids in the separator chain which then resulted in insufficient purification of the waste water.
The manufacturer of the cleaning system was involved in the consulting process. The main subject of the investigation was the deposits in the filters and the component residues on the interior surfaces of tanks. The foaming behaviour of the cleaning agent used was identified as a possible cause of the contamination. As a result, Caramba carried out several test series with low-foaming products from the Caramba TR series.
By using the low-foaming Caramba TR 8, the system filters were not overloaded as quickly. Due to this effect, the intervals for filter cleaning could be extended significantly. The quality of the waste water increased despite lengthening the cleaning cycles. The values of the waste water were significantly reduced, and not just the COD value but also the contamination level.