Simultaneous elimination of Malachite Green, Rhodamine B and Cresol Red from aqueous sample with Sistan sand, optimized by Taguchi L16 and Plackett–Burman experiment design methods

Table 6 A comparison on removal of MG, RhB and CR by different adsorbents

No	Adsorbent	Adsorbate	qe (mg g⁻¹)	References
1	Sahara desert sand	Methylene Blue	11.98	[47]
2	Feldspar	Methylene Blue	0.66	[48]
3	Bentonite	MG	7.72	[49]
4	3A zeolite	RhB	0.74	[23]
5	Zeolite MCM-22	RhB	1.11	[50]
6	Beach sand coated with polyaniline	Methylene Blue	9.10	[51]
7	Gypsum	Methylene Blue	36.00	[52]
8	functionalized multi walled carbon nanotubes	MG	114.11	[53]
9	Albizzia lebbeck seed activated carbon	CR	5.154	[54]
10	magnetic Fe₃O₄/C core–shell nanoparticles	CR	11.22	[55]
11	Sistan sand	Simultaneous removal of MG, RhB and CR	0.36	This study

ISSN: 2661-801X