Table 1: Characteristics of sewage in different cities of the world.

Pakistan [82]PalestineBrazilColumbiaNetherlands
KarachiLahoreAl Bireh [3]Pedregal [1]Cali [1]Bennekom [1]

BOD220–475200–215-36895231
COD200–1400580–8031586727267520
Chlorides300–120032–72-110--
Sulfates50–200--18-15
-N--803417-
Nkj-N--1044424-
Total P--13111.318
-P--12.98-14
TDS1000–1800486–598----
TSS250–900106–176736492215-
VSS--617252107-
Temperature---24–2624–278–20