Optimization of Physicochemical Parameters during the Electrocoagulation Cadmium Elimination

Table 14

Summary of data collected by EDX and SEM analysis.

Sample 1			Sample 2			Sample 3			Sample 4
Gelatinous KCl			Gelatinous K2SO4			Precipitated solid (KCl)			Precipitated solid (K2SO4)
Element	Weight %	Atomic %	Element	Weight %	Atomic %	Element	Weight %	Atomic %	Element	Weight %	Atomic %
O K	54.32	68.08	O K	57.34	70.62	O K	12.30	24.26	O K	40.41	59.77
NaK	2.19	1.91	NaK	0.60	0.51	AlK	3.14	3.68	NaK	1.65	1.70
AlK	33.76	25.09	AlK	32.76	23.92	ClK	48.12	42.82	AlK	4.86	4.26
ClK	5.50	3.11	S K	4.08	2.51	K K	35.69	28.79	S K	15.31	11.30
CdL	1.08	0.19	ClK	0.60	0.33	CrK	0.76	0.46	ClK	1.84	1.23
K K	3.16	1.62	CdL	0.70	0.12				K K	35.94	21.75
			K K	3.92	1.97