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

Table 3

Cr (VI) ion adsorption ability of YPS samples.

No.	Sample	Weight of adsorbent (g)	Time of adsorption (min)	H (%)	Q(mg g^−1)
1	YPS0	0.5	120	4.93	0.099
2	YPS1	0.5	120	34.43	0.689
3	YPS2	0.5	120	41.16	0.823
4	YPS0-HNO3	0.5	120	10.13	0.203
5	YPS0-NaOH	0.5	120	4.27	0.085
6	YPS2-HNO3	0.5	120	19.68	0.394
7	YPS2-NaOH	0.5	120	41.81	0.836
8	YPS2-EDTA	0.5	120	23.58	0.472