New process for the production of permeate powders without spray dryer
2017
Tanguy-Sai, Gaelle | Dolivet, Anne | Mejean, Serge | Garreau, D | Talamo, F. | Postet, P. | Jeantet, Romain | Schuck, Pierre
An innovative process scheme for the production of dairy permeate powders was tested at the pilot scale. It includes: (i) overconcentration of the permeate concentrate from 60 to 80% w/w dry matter (DM) content; (ii) granulation of the overconcentrate with powder up to 88% DM; and (iii) drying of the granules up to 97% DM.The quality of the resulting powder was comparable to a standard powder produced using conventional technologies. Furthermore, considering energy required for water removal, the new process led to significant savings: they were estimated in the range of 10.7 to 23.5% and up to 32% when taking into account the whole production process or the drying step alone, respectively.
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