Enhanced phosphate adsorption and desorption characteristics of MgO-modified biochars prepared via direct co-pyrolysis of MgO and raw materials

Bioresources and Bioprocessing

Table 1 Special surface areas and adsorption capacities of biochars from rice straw, corn straw, Camellia oleifera shells, and branches from garden waste before and after MgO modification

	RS	CS	OT	GW	MRS	MCS	MOT	MGW
Special surface area (m²/g)	202.7 ± 5.54	211.22 ± 4.73	301.67 ± 4.72	322.92 ± 7.29	259.33 ± 5.32	373.72 ± 7.19	350.42 ± 7.41	375.74 ± 6.89
Adsorption capacity (mg/g)	0.61 ± 0.05	0.89 ± 0.05	1.35 ± 0.04	1.87 ± 0.09	24.71 ± 0.12	14.12 ± 0.10	15.23 ± 0.11	23.55 ± 0.12