fig7

From: Sustainable MOFs from waste PET: bridging polymer recycling with advanced material applications

Figure 7. PET-derived MIL-53(Al)-R for gas adsorption. (A) Eco-friendly synthesis procedure of MIL-53(Al)-R from waste PET depolymerization. Gas adsorption isotherms of MIL-53(Al)-R for (B) CO₂ at 298 K, (C) N₂ at 298 K, (D) H₂ at 77 K, and (E) CH₄ at 298 K. All panels are adapted from reference^[202] under the terms of the Creative Commons Attribution 4.0 International license. Copyright 2025, The Author(s). PET: Polyethylene terephthalate.