Method to treat whey

Details Method to treat whey Method to treat whey

A - Human Necessities

23

C

A23C 21/00 (2006.01) A23C 9/142 (2006.01) A23C 19/05 (2006.01) A23J 1/20 (2006.01) A23L 3/28 (2006.01) B01D 61/58 (2006.01) C02F 1/44 (2006.01)

Patent

CA 2244109

Pasteurised whey is subjected to micro- or nanofiltration. The permeate is further treated with reverse osmosis and sterilised or pasteurised. The retentate is subjected to electrodialysis and the salty water formed is treated with micro- or nanofiltration. The salty water can be subjected to a precipitation step before the micro- or nanofiltration. The pure water that is a result of the treatment above can be reused as process water or drained to a recipient.

Du petit lait pasteurisé est soumis à une micro-filtration ou à une nano-filtration. L'ultrafiltrat est ensuite traité par osmose inverse et stérilisé ou pasteurisé. Le rétentat est soumis à une électrodialyse et l'eau salée obtenue est traitée par micro-filtration ou nano-filtration. Il est possible de soumettre cette eau salée à une phase de précipitation avant de passer à la micro-filtration ou à la nano-filtration. Il est possible de réutiliser l'eau chimiquement pure issue du traitement susmentionné comme eau de traitement ou de la recueillir dans un récipient.

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