Sustainable Downstream Separation of Itaconic Acid Using Carbon-Based Adsorbents

Table 3

Adsorption capacities of CSK6 sample and other adsorbents reported in the literature for the separation of itaconic acid [5].

Adsorbent	Adsorption capacity, mmol/g	Experimental conditions
Darco G60	1.5	0.25 mmol/L of an equimolar initial solution of itaconic acid and glucose, 0.04 g of adsorbent, 2 g of adsorbate solution, 20°C and 1 h of agitation, pH 3.7
SX1G	1.7
RX3 extra	2.5
Amberlite	2.2
CBV 500	0.17
Na-LSX	0.83
NaCZF	0.08
CBV 712	0.48
13X	0.05
Hypercross-linked polymer	4.1	0.5 mmol/L of single itaconic acid solution, 0.04 g of adsorbent, 2 g of adsorbate solution, 20°C and 1 h of agitation, pH 3.7
A Supra EUR	4.2
This study	4.3	0.538 mmol/L of single itaconic acid solution, 0.05 g of adsorbent, 10 mL of adsorbate solution, 20°C and 24 h of agitation, pH 3