Table 2.

Raw and biologically pretreated leachate characteristic

Parameter	Unit	Raw leachate	SBR removal efficiency ± st.dev (%)
pH	-	7.7	-
EC	mS/cm	17.9	37.2 ± 0.8
TDS	mg/L	10,800	1.2 ± 0.7
COD	mg O2/L	3720	32.5 ± 0.6
BOD	mg O2/L	690	97.2 ± 0.2
N-NH4+	mg/L	910	95.4 ± 0.3
N-NO3−	mg/L	1.59	> 99.9 ± 0.1
B	mg/L	12.7	3.9 ± 0.3
Cl−	mg/L	2490	11.6 ± 0.1

st.dev-standard deviation.