Removal of Heavy Metal Ions (Pb²⁺, Co²⁺, and Cd²⁺) by Activated Carbon from Cypress Fruit: An Investigation of Kinetics, Thermodynamics, and Isotherms

Table 2

EDS analysis of ACC before and after adsorption.

Element	Sample
	ACC		ACC-Pb^2+		ACC-Co^2+		ACC-Cd^2+
	% Weight	% Atom	% Weight	% Atom	% Weight	% Atom	% Weight	% Atom
C	67.99	76.36	64.85	74.42	72.88	80.46	67.15	78.97
O	21.14	17.83	28.66	24.69	21.52	17.84	18.63	16.45
Na	7.17	4.21	0.86	0.51	0.0	0.0	2.26	1.39
P	3.69	1.61	0.0	0.0	2.21	0.94	5.11	2.33
Pb	0.0	0.0	5.64	0.38	0.0	0.0	0.0	0.0
Co	0.0	0.0	0.0	0.0	3.39	0.76	0.0	0.0
Cd	0.0	0.0	0.0	0.0	0.0	0.0	6.85	0.86