Abstract
In this study, the partitioning of minerals in ultrafiltration (UF) streams of skim milk using cross‐flow (CF‐UF) and dead‐end (DE‐UF) was investigated using 50 kDa membrane at different temperatures (5, 10, 25, 35, 55°C). CF‐UF showed higher protein retention (6.02–10.9%) compared with DE‐UF (3.44–4.70%), along with more retention of calcium, with values ranging from 29.8 to 41.5 and 57.8 to 112 mM for DE‐UF and CF‐UF, respectively. Ionic calcium in permeates varied less for CF‐UF (2.48–1.18 mM) than for DE‐UF (3.11–0.98 mM). The insights provided in this study can be exploited to tailor adjustments of minerals in milk streams using UF.
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