Novel bifunctional in-based metal–organic gel/bacterial cellulose composite gels for effective tetracycline antibiotics removal: Synergistic behavior and mechanism insight of adsorption-photocatalysis

•A novel bifunctional In-MOG is fabricated for effective removal of CTC/TTC.•Synergistic adsorption-photocatalysis behaviors and mechanisms of In-MOG are analyzed.•In-MOG loaded on BC matrix achieves enhanced processability and recyclability.•In-MOG/BC performs long-term stability under dynamic conditions in a self-build reactor.