Biogas residue biochar integrated with phosphate from its ash for the effective recovery of nutrients from piggery biogas slurry
Zifeng Luo, Hongping Wen, Haotian Zhang, Yunliang Li, Xueyi Mai, Yulong Zhang, Jinjin Wang, Yongtao Li, Zhen Zhang
Biochar ›› 2022, Vol. 4 ›› Issue (1) : 0.
Biogas residue biochar integrated with phosphate from its ash for the effective recovery of nutrients from piggery biogas slurry
| • | For the first time, phosphorus in BRC was used as the phosphorus source for MAP treatment of biogas slurry. |
| • | Nitrogen and phosphorus were mainly recovered by MAP precipitation and functional group bonding of functionalized BRC. |
| • | N-rich biogas slurry was treated with P-rich biogas residue to produce biochar-based slow-release N-P fertilizer. |
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