Removal and Recovery of Chromium from Solutions Simulating Tannery Wastewater by Strong Acid Cation Exchanger

Table 2

The composition of the regenerant solutions.

The series of experiment	The concentration of NaOH (mol/L)	The concentration of H2O2 (mol/L)
		0.1
1	0.1	0.2
		0.3
		0.1
2	0.2	0.2
		0.3
		0.1
3	0.4	0.2
		0.3
		0.4