Bimetallic Oxide Nanohybrid Synthesized from Diatom Frustules for the Removal of Selenium from Water

Table 2

First-order and second-order kinetics of selenium.

	First-order			Second-order
	Se(IV)	1.92	0.0056	0.91	4.75	1.4	0.99
Se(VI)	0.564	0.0013	0.89	0.73	0.54	0.98