Journal of Chemistry / 2015 / Article / Tab 3

Research Article

Sorption Characteristics of Mixed Molecules of Glutaraldehyde from Water on Mesoporous Acid-Amine Modified Low-Cost Activated Carbon: Mechanism, Isotherm, and Kinetics

Table 3

Surface functionalities of activated carbon samples.

AC typepHpHPZC (µmol/g) (µmol/g) (/100 nm2 AC)

A800/1.510.3 ± 0.110.362.50 ± 1.71944.44 ± 2.4855-56
Nit-AC4.51 ± 0.144.00450.00 ± 2.0233.33 ± 3.0549-50
EDA-AC7.02 ± 0.097.10383.33 ± 3.38400.00 ± 2.3675–77

: total acidity; : total basicity; : Avogadro number; : total number of surface groups = ( + ) /.

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