Preparation and characterization of MgO hybrid biochar and its mechanism for high efficient recovery of phosphorus from aqueous media
Yueru Fang | Amjad Ali | Yuxi Gao | Peng Zhao | Ronghua Li | Xianxian Li | Junxi Liu | Yuan Luo | Yaru Peng | Hailong Wang | Hongbin Liu | Zengqiang Zhang | Junting Pan
Highlights Co-pyrolysis of magnesite with food waste generated MgO hybrid biochar composite. MgO hybrid biochar showed a high phosphorus recovery capacity (523.9 mg/g). Phosphorus recovery was controlled by MgHPO4 formation and electrostatic attraction. MgO hybrid biochar recovered > 98% of P from solution and bio-liquid wastewater. Recovered phosphorus is a slow-release fertilizer available for agriculture use.
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