Fig. 3
SEM cross-section images of cake layer on the surface of membrane for different Al pre-coagulants without humic acid: a AlCl3, b PACl15, c PACl25 (Insert images are the cake layer seen from the top)
Fig. 3 | npj Clean Water
SEM cross-section images of cake layer on the surface of membrane for different Al pre-coagulants without humic acid: a AlCl3, b PACl15, c PACl25 (Insert images are the cake layer seen from the top)
