Bio-inspired hierarchical bamboo-based air filters for efficient removal of particulate matter and toxic gases.

ABSTRACT: Air pollution is caused by the perilous accumulation of particulate matter (PM) and harmful gas molecules of different sizes. There is an urgent need to develop highly efficient air filtration systems capable of removing particles with a wide size distribution. However, the efficiency of current air filters is compromised by controlling their hierarchical pore size. Inspired by the graded filtration mechanisms in the human respiratory system, microporous ZIF-67 is in situ synthesized on a 3D interconnected network of bamboo cellulose fibers (BCFs) to fabricate a multiscale porous filter with a comprehensive pore size distribution. The macropores between the BCFs, mesopores formed by the BCF microfibers, and micropores within the ZIF-67 synergistically facilitate the removal of particulates

SUBMITTER: Gao Q 

PROVIDER: S-EPMC11875449 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature