Decolourization of Reactive Red 120 Using Agro Waste-Derived Biochar

Table 1

FTIR spectra of raw rice husk biochar and dye adsorbed biochar.

Type of vibration	Wavenumber (cm^−1)
	Rice husk biochar	RR120 adsorbed biochar
=C–H bend	792.73	791.49
C–O stretch	1071.09	1034.52
C=C stretch and N-H bend	1507.30	1508.92
C≡C stretch	2110.44	2107.46
C-H stretch	2921.04	2921.78
O-H and N-H stretch	3309.26	3316.06
=C–H bend	792.73	791.49