Skip to main content

View full-text article in PMC

. 2005 Jul 29;6(8):708–718. doi: 10.1631/jzus.2005.B0708

Table 5.

Concentration of fallen dust components (major, manor and trace elements) on eastern wall of the ferrosilicon factory from May 2000 to August 2001

Date	Fallen dust (g/(m²·month))	Concentration
Date	Fallen dust (g/(m²·month))	SiO₂ (%)	Al₂O₃ (%)	Fe₂O₃ (%)	CaO (%)	MgO (%)	C (%)	K₂O (%)	Na₂O (%)	Pb (×10⁻⁶)	Co (×10⁻⁶)	Ni (×10⁻⁶)	Mn (×10⁻⁶)
May 2000	12.9	93.0	0.36	1.34	0.25	0.48	0.84	0.85	0.50	64.2	62.1	10.85	515.0
Aug. 2000	11.2	91.3	0.36	1.01	0.22	0.45	1.20	0.80	0.44	17.7	26.6	9.86	500.0
Nov. 2000	12.6	92.3	0.30	2.01	0.16	0.70	1.30	0.60	0.45	27.6	51.3	8.88	412.0
Feb. 2001	12.0	92.7	0.33	1.80	0.17	0.40	1.20	0.54	0.45	17.0	63.3	7.90	540.0
May 2001	12.7	92.8	0.32	0.80	0.24	0.50	0.94	0.45	0.30	28.9	95.6	7.98	560.0
Aug. 2001	13.0	91.3	0.34	1.43	0.18	0.35	1.19	0.60	0.45	26.2	81.4	9.40	460.0
Mean	12.4	92.2	0.34	1.48	0.20	0.48	1.11	0.64	0.43	30.3	63.4	9.10	497.8