Fig. 2
From: Tri-phasic engineered wetland system for effective treatment of azo dye-based wastewater

Comparative FT-IR spectrum of azo dye and its degradation in inlet azo dye, Tank 1, Tank 2, and Tank 3
From: Tri-phasic engineered wetland system for effective treatment of azo dye-based wastewater
Comparative FT-IR spectrum of azo dye and its degradation in inlet azo dye, Tank 1, Tank 2, and Tank 3