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

Table 1

Average weight (%) of elements in YPS samples.

No.	Element	YPS0	YPS1	YPS2
1	O	46.73	48.15	46.57
2	Si	13.32	13.08	13.91
3	Ca	29.25	26.40	29.95
4	Mg	1.56	1.45	1.47
5	K	0.42	0.49	0.39
6	Cr	0.11	—	—
7	Mn	0.30	0.36	0.18
8	Na	0.17	0.24	—
9	S	0.24	0.46	0.30
10	P	1.29	1.48	1.11
11	F	3.88	3.32	3.67
12	Al	1.03	1.10	0.99
13	W	0.98	0.74	0.78
14	Fe	0.49	2.24	0.21
15	Ti	0.07	0.15	0.07
16	Pm	0.07	0.26	0.17
17	Sm	0.24	—	0.14
18	Ce	0.10	0.14	0.12
19	Pr	0.22	0.14	0.16
20	Nd	0.24	—	0.23
	Total	100	100	100