Suitability of polysulfone ultrafiltration membranes (UFM) commercial designed for water treatment have been investigated for separation of protein (PR) from sweet whey. Ultrafiltration (UF) of whey originated from dairy has been realized by self-made pilot plant which has been in service about one year. Influence of two whey temperatures (9 oC and 30 oC) on efficiency of protein conc... https://pipingrockers.shop/product-category/lily-of-the-valley/