Adsorption of Azo Dye Acid Red 73 onto Rice Wine Lees: Adsorption Kinetics and Isotherms

Table 2

Adsorption capacities of various adsorbents for acid red 73.

Adsorbent (g·L^−1)	Major reaction conditions	Qm (mg·g^−1)	Source of information
Rice wine lees	[dye]0 = 10 mg·L^−1, [adsorbent]0 = 10 g·L^−1, T = 298 K, pH = 5, reaction time = 180 min	18.74	The data from this paper
Magnetic nano-Fe3O4	[dye]0 = 100 mg·L^−1, [adsorbent]0 = 2 g·L^−1, T = 303 K, pH = 5, reaction time = 20 min	40.16	[25]
Copper diethyldithiocarbamate	[dye]0 = 500 mg·L^−1, [adsorbent]0 = 0.5 g·L^−1, T = 302-304 K, pH = 7, reaction time = 180 min	42.9	[26]
Copper dimethyldithiocarbamate		37.8
Chitosan	[dye]0 = 50 mg·L^−1, [adsorbent]0 = 5 g·L^−1, T = 298 K, pH = 7, reaction time = 380 min	8.216	[27]
Nano-Fe3O4	[dye]0 = 75 mg·L^−1, [adsorbent]0 = 2 g·L^−1, T = 303 K, pH = 5, reaction time = 30 min	12.312	[28]
Nano-TiO2	[dye]0 = 1 g·L^−1, [adsorbent]0 = 8.2 g·L^−1,T = 298 K, pH = 7, reaction time = 40 min	9.7166	[29]