Research on co-disposal and utilization of ferrous packaging containers contaminated with hazardous wastes by steel converter

Table 3 The concentrations of heavy metals from washing water of converter gas (unit: mg L^− 1)

Metal element	Hg	Cd	Ni	Pb	Cr^a	Cr^b	As	Cu	Zn
Washing water of converter gas	0.028	0.050	0.50	0.45	0.47	0.080	0.060	0.071	0.78
Discharge standard of China (GB13456–2012)	0.05	0.1	1.0	1.0	1.5	0.5	0.5	0.5	2.0

ISSN: 2468-2039