Adsorbability Enhancement of Macroporous Resin by Dielectric Barrier Discharge Plasma Treatment to Phenol in Water

Table 4

Effect of applied voltage on Freundlich and Langmuir parameters of virgin and DBD treated resins.

Adsorbents	Freundlich parameters			Langmuir parameters
	1/n	()		(mg/g)	(L/mg)
Untreated	0.7681	1.966	0.987	115.3	0.01053	0.923
15 min	0.7657	2.093	0.975	117.4	0.01107	0.912
30 min	0.7778	2.318	0.982	133.8	0.01119	0.934
45 min	0.7864	2.485	0.974	148.9	0.01103	0.901
60 min	0.7599	1.822	0.982	106.5	0.01018	0.945