Synthesis of Iron Doped Zeolite Imidazolate Framework-8 and Its Remazol Deep Black RGB Dye Adsorption Ability

Table 5

Rate constants for the adsorption and the rate constants for the forward and reverse process and equilibrium constants at different concentrations for ZIF-8 and Fe-ZIF-8.

Adsorbent	(mg/L)
ZIF-8	30	0.0023	0.0009	0.0014	0.6429	0.995
	40	0.0025	0.0009	0.0016	0.5625	0.998
	50	0.0046	0.0015	0.0031	0.4839	0.990
Fe-ZIF-8	30	0.0115	0.0077	0.0038	2.0263	0.991
	40	0.0122	0.0081	0.0041	1.9756	0.991
	50	0.0184	0.0113	0.0071	1.5915	0.980