Research Article

Synthesis, Characterization, and Application of Co-Al-Zn Layered Double Hydroxide/Hydrochar Composite for Simultaneous Removal of Cationic and Anionic Dyes

Figure 4

N2 adsorption-desorption isotherm (a) and pore size distribution (b) of various materials (LDH, C-1 to C-4, and HC).
(a)
(b)