Treatment of Yellow Phosphorus Slag and Reuse of It as an Absorbent of Chromium (VI) Ions and Methylene Blue

Table 8

Effect of initial concentration on the Cr (VI) ion adsorption process.

No.	Concentration (mg/L)	Volume (mL)	pH	Q (mg·g^−1)	H (%)
1	10	100	7	0.407	20.33
2	20	100	7	0.385	19.24
3	30	100	7	0.381	19.03
4	50	100	7	0.307	15.34
5	80	100	7	0.090	4.49
6	100	100	7	0.003	0.15