Indian Jujuba Seed Powder as an Eco-Friendly and a Low-Cost Biosorbent for Removal of Acid Blue 25 from Aqueous Solution

Table 3

Intraparticle diffusion constants for different initial AB25 concentrations at 30°C. Conditions as in Table 2.

Linear portion	Constants	mg/L	mg/L	mg/L	mg/L
First	(mg g^−1 min^−0.5)	0.0272	0.0421	0.1537	0.3818
	(mg g^−1)	4.5918	9.0716	12.4920	13.7240
		0.9799	0.9893	0.9904	0.9189
Second	(mg g^−1 min^−0.5)	0.0094	0.0131	0.0372	0.3009
	(mg g^−1)	4.7270	9.3399	13.5570	13.9750
		0.9777	0.9966	0.9812	0.9843
Third	(mg g^−1 min^−0.5)	0.0050	—	—	0.1712
	(mg g^−1)	4.7602	—	—	15.0050
		0.9989	—	—	0.9910