Enhanced Adsorption, Photocatalytic Degradation Efficiency of Phenol Red Using CuZnAl Hydrotalcite Synthesized by Co-Precipitation Technique

ZnAlCO3 hydrotalcite materials modified by Cu2+ ions were synthesized the co-precipitation method according to molar ratios of (Cu2+ + Zn2+):Al3+ as 7:3. Thus, contain various from 0–3.5 in samples. The characterized X-ray diffraction pattern (XRD), FT–IR, EDS, SEM, N2 adsorption/desorption isotherm (BET), and UV–Vis DRS spectrum. a layered double hydroxide structure—such hydrotalcite. specific surface area BET increases slightly, corresponding increasing ratios, bandgap energy Eg decreases accordingly. Especially, these material samples have high phenol red (PR) adsorption capacity at concentration 100 ppm PR was degraded under 30 W LED light with over 90% conversion efficiency presence 1.2 mL 30% H2O2 solution. In addition, CuH–3.5 sample maintained stability after four times catalytic reuse. Therefore, this can be used an effective treatment for wastewater sedge mat weaving village.