Removal of Chlorinated Chemicals in H₂ Feedstock Using Modified Activated Carbon

Table 4

Element composition of adsorbent.

Adsorbent	Na2O	Al2O3	SiO2	Cl
GAC	0.01	<0.01	0.04	0.05
6 N NaOH/GAC	5.49	<0.01	0.25	0.17
6 N NaOH/GAC adsorbed HCl-Top	0.16	<0.01	0.01	1.68
6 N NaOH/GAC adsorbed HCl-Middle	0.37	<0.01	0.01	3.89
6 N NaOH/GAC adsorbed HCl- Bottom	0.47	<0.01	0.01	4.59