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

Table 13

Effect of initial concentration on the methylene blue adsorption process.

No.	Concentration (mg/L)	Volume (mL)	pH	Q (mg·g^−1)	H (%)
1	5	100	7	2.396	95.82
2	10	100	7	2.441	97.63
3	15	100	7	2.317	92.66
4	20	100	7	2.226	89.05
5	25	100	7	2.184	87.35