Fig. 8
SEM images of input dried sludge for (a) CHES and (c) BIOS as well as residue dried solid after leaching at optimal leaching parameters for (b) CHES and (d) BIOS
Fig. 8 | Sustainable Environment Research
SEM images of input dried sludge for (a) CHES and (c) BIOS as well as residue dried solid after leaching at optimal leaching parameters for (b) CHES and (d) BIOS