Organic Matter-Iron-Phosphate Associations

Coprecipitation Yields High Stability

Coprecipitated associations exhibit much lower release rates than adsorbed ones, with humic acid-derived associations showing more homogeneous organic matter distribution and stronger passivation against phosphorus release.

Wen, Shuailong · Lu, Yuehan · Dai, Jiaru · Huang, Xiulin · An, Shilin · Liu, Jingjing · Liu, Zhengwen · Du, Yingxun · Zhang, Yunlin

Journal of Hazardous Materials 2023

Advantages

Coprecipitation yields much lower release rates than adsorption

Humic acid-derived coprecipitates show lower P release than algae-derived coprecipitates