Mini ReviewPublished 8 January 2026Mini-review of capillary-gas-treating bioreactors: opportunities and challengesNorbertus J. R. Kraakman · Andrés F. Torres · Bruna Sampaio · Sergio Bordel · Raquel Lebrero · Raúl MuñozFrontiers in Environmental Engineeringdoi 10.3389/fenve.2025.1721805