A Performance Comparison of Anaerobic and an Integrated Anaerobic-Aerobic Biological Reactor System for the Effective Treatment of Textile Wastewater

Table 2

Functional groups and compounds observed through FT-IR analysis.

Peak Value	Intensity	Functional group
100 mg/L mixed Azo dyes standard
1636	Strong	C=C
3326	Broad, strong	O-H
Treated effluent (100 mg/L)
3448.44	Strong, broad	N-H
3160.58	Strong	C-H
1104.62	Medium	C-N
1636.97	Medium	C=C
1400.36	Strong	S=O
Treated effluent (500 mg/L)
3443.39	Broad, medium	O-H
1400.64	Medium, sharp	O-H
1651.83	Medium	C=C