Feb 01, 2022 · For the GH membrane experiments were also performed in order to improve the purification and concentration of compounds of interest through a combination of diafiltration and batch concentration mode in selected operating conditions (TMP, 15 bar; T, 28 °C; Q f, 5.15 L/min) until to a diafiltration volume of 5 and a VRF of 2.0, respectively.