Recent Advances in Heterogeneous Photocatalytic Decolorization of Synthetic Dyes

Table 2

Types of adsorbents used with different anionic/acid dyes.

Adsorbent	Anionic dyes	References
Organo-bentonite	Acid scarlet	[72]
	Acid turquoise blue	[73]
	Indigo carmine	[74]
Ammonium functionalized mesoporous materials	Reactive brilliant red	[75]
	Acid fuchsine	[76]
	Orange IV	[77]
	Methyl orange (MO)	[78]
Apatitic tricalcium phosphate	Reactive yellow 4	[79]
Apatitic octocalcium phosphate		[80]
Wood shaving bottom ash	Red reactive 141	[81]
Bagasse ash	Acid blue 80	[82]