Plasma Treated Active Carbon for Capacitive Deionization of Saline Water

Table 1

Analyzed EDS results and contact angle of untreated active carbon and active carbon treated at different plasma powers: 50 W, 75 W, and 100 W (EDS conditions: 10.0 kV; takeoff angle: 35.0°; elapsed live-time 10.0).

EDX analysis						Contact angle (°c)
	Element	Line	Intensity (c/s)	Error, 2-sig	Concentration (wt%)
Untreated	C	Ka	657.85	16.221	96.347	130
	O	Ka	5.73	1.513	3.653
	Total	—	—	—	100.000
50 W	C	Ka	769.58	17.545	93.724	107
	O	Ka	12.33	2.220	6.276
	Total	—	—	—	100.000
75 W	C	Ka	533.37	14.606	93.333	105.5
	O	Ka	9.17	1.915	6.667
	Total	—	—	—	100.000
100 W	C	Ka	538.19	14.672	93.137	102.5
	O	Ka	9.57	1.957	6.863
	Total	—	—	—	100.000