Influence of Hydrothermal Temperature on Phosphorus Recovery Efficiency of Porous Calcium Silicate Hydrate

Table 1

Chemical components of carbide residue and white carbon black.

	Chemical components (contents)/%
	CaO	SiO2	Al2O3	SO2	MgO	Fe2O3	SrO	NaOH	CuO	H2O
Carbide residue	79.34	3.57	2.14	1.22	0.62	0.21	0.26	—	—	12.64
White carbon black	0.08	97.46	0.16	1.82	—	0.03	—	0.29	0.02	0.14