The Release of Trace Elements in the Process of Coal Coking

Table 5

Release coefficients of the selected trace elements.

No.	Coking plant	Release coefficients of the selected trace elements (%)
		𝑅As	𝑅Be	𝑅Cd	𝑅Co	𝑅Hg	𝑅Mn	𝑅Ni	𝑅Se	𝑅Sr	𝑅Tl	𝑅V	𝑅Zn
(1)	Victoria	3.96	3.80	n.d.a.	2.64	80.72	3.33	3.89	15.99	7.56	25.17	8.88	0.48
(2)	Carbo-Koks	48.45	3.97	70.56	2.50	89.93	0.70	9.04	37.78	0.42	68.68	6.44	5.50
(3)	Dębieńsko	2.79	n.d.a.	n.d.a.	n.d.a.	93.98	0.51	4.02	13.96	5.22	47.86	18.50	30.09
(4)	Przyjaźń	12.39	28.09	70.79	20.27	76.62	7.86	13.48	7.12	0.66	0.97	37.98	36.05

n.d.a.: no data available.