“Iron-Modified Biochar for Chromium(VI) and Tetracycline Removal from Wastewater via Adsorption Mechanisms.”

https://pubmed.ncbi.nlm.nih.gov/38095154

The study reports the creation of iron-modified biochar using one-step ball milling for effective removal of chromium (VI) and tetracycline from wastewater through various adsorption mechanisms, including ion exchange, electrostatic interaction, pore filling, hydrogen bonding, complexation, redox reactions, π-π bonds, and van der Waals forces.