Enhanced Adsorption and Removal of Ciprofloxacin on Regenerable Long TiO₂ Nanotube/Graphene Oxide Hydrogel Adsorbents

Table 1

Physical properties of rGO, rGO-TON, and rGO-P25.

Sample	TON	rGO	rGO-TON	rGO-P25
Specific surface area (m^2/g)	139.8	119.2	138.2	79.4
Average pore size (nm)	7.9	6.2	6.5	5.3
Total pore volume (m^3/g)	0.28	0.27	0.48	0.22