Food-grade compressed air for the sweet side of life

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19th October 2009

Source: BEKO TECHNOLOGIES Ltd

Optimisation of the production processes in the Alfred Ritter GmbH & Co.KG required an improvement in compressed air quality. The problem was clearly defined: Compressed air for the pneumatic handling of cereals, cocoa powder and other primary matters in the production of chocolate had to be in accordance with the strict requirements of the HACCP concept. This concept is a preventive system which ensures the safety of food for consumers. Developed in 1959 in the USA for NASA. Under German law, HACCP became a constituent part of the Food Hygiene Ordinance in 1998. In the EU, it came into effect in 2006, together with the new hygiene regulations package.

Innovative solutions and a competent implementation were in demand.

The safest way to prevent clumping in the conveyor pipes, and microbial growth in the product is compressed air which is processed to a pressure dew point of -40 °C. Therefore, an adsorption dryer was the central component of the system. The BEKO processing and system experts convinced the customer with a system solution of fully aligned quality products. The central module being a heat-regenerated adsorption dryer of the EVERDRY© FRA-V 3400 C type. The function of the FRA-V series require no compressed air, either for the desorption process nor for subsequent cooling of the heated desiccant (ZERO PURGE). Therefore, 100% of the compressed-air volume flow at the inlet of the system is available for the application

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