Although continuous production is becoming the technology of choice for many companies, most personal care product manufacturers still use the well-established but time-consuming batch-based process to make shampoos. So, when a leading cosmetic and personal care product supplier decided to improve its productivity, GEA was asked to design and build a continuous shampoo mixing system to replace its existing batch process.

Wishing to scale-up production, reduce costs and remain at the forefront of cosmetic production technology, the new plant was required to incorporate a continuous mixing process and thereby decrease the inter-batch cleaning requirements, saving time and significantly improving yield. Maintaining the correct product recipe to within strict margins (less than 1%) was paramount. GEA’s challenge was to ensure that the ingredients for each blend could be accurately mixed together in a constant flow, which was achieved using a sophisticated calibration system employing a series of volumetric flow meters and a progressive cavity device to maintain pumping accuracy.

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