[Adsorption Characteristics and Mechanism of Ammonia Nitrogen in Water by Nano Zero-valent Iron-modified Biochar].

The adsorption performances of ammonia nitrogen (NH-N) in water by unmodified biochar are ineffective. In this study, nano zero-valent iron-modified biochar (nZVI@BC) was prepared to remove NH-N from water. The NH-N adsorption characteristics of nZVI@BC were investigated through adsorption batch experiments.