Table 1.

Main characteristics of the secondary effluent from the MWWTP of Badajoz (Spain).

Parameter	Value	Units
pH	8.2	-
Electrical conductivity	533	µS cm−1
COD	47	mg L−1 O2
BOD5	11	mg L−1 O2
TOC	14.16	mg L−1
DOC	13.8	mg L−1
IC	28.8	mg L−1
Alkalinity (1)	240	mg L−1 CaCO3
A254nm	0.222	-
SUVA254	1.61	L (mg DOC m) −1
F−	0.43	mg L−1
Cl−	78.30	mg L−1
NO3−	22.6	mg L−1
NO2−	0.18	mg L−1
SO4=	52.5	mg L−1
PO43−	2.6	mg L−1

⁽¹⁾ Calculated from IC content.