Amino Acid-Doped Polyaniline Nanotubes as Efficient Adsorbent for Wastewater Treatment

Table 4

Comparison of the adsorption capacity of different adsorbents for Congo red.

Entry	Materials	Maximum adsorption capacity (mg/g)	References
1	PANI	250.01	[25]
2	GS/PANI/Fe3O4	248.12	[26]
3	pTSA-pani@GO-CNT	66.66	[27]
4	PANI@TiO2 PANI@SiO2	93 71	[28]
5	PANI-GO-Fe3O4	252.67	[29]
6	PNHM/MnO2/Fe3O4	599.49	[30]
7	PANI nanotubes	955.6	This work