Figure 13: Effect of pressure on the permeate flux obtained during membrane processing of raw autohydrolysis liquors (feed flow velocity, 2-3 m/s; temperature, 26 ± 4°C). ● – PCI AFC30; “filled triangle” – osmonics DL2540; Δ – PCI ESP04; ♦ PCI PU608; ■ – Kerasep Nano; ○ – Pall membralox 1 kDa; □ – Pall membralox 5 kDa [1].