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Detail publikačního výsledku
HASSAN, A.; ABDEL-LATTIF, A.; ELHADIDY, H.
Originální název
Adsorption of arsenic by activated carbon, calcium alginate and their composite beads
Anglický název
Druh
Článek WoS
Originální abstrakt
The present investigation deals with preparation of three different adsorbent materials namely; potas-sium hydroxide activated carbon based apricot stone (C), calcium alginate beads (G) and calciumalginate/activated carbon composite beads (GC) were used for the removal of arsenic. The prepared adsor-bent materials were characterized by scanning electron microscope (SEM), Fourier transform infraredspectroscopy (FTIR), N2-adsorption at 196 C and point of zero charge. From the obtained results, itwas found that the porosity, surface area and total pore volume of the adsorbent material C > GC > Grespectively, however, the G adsorbent has more acidic function group than the other adsorbents. Theinfluence of pH, time, temperature and initial concentration of arsenic(V) were studied and optimized. GCexhibits the maximum As(V) adsorption (66.7 mg/g at 30 C). The adsorption of arsenic ions was observedto follow pseudo-second order mechanism as well as the thermodynamic parameters confirm also theendothermic spontaneous and a physisorption process.
Anglický abstrakt
Klíčová slova
Apricot stone, Alginate beads, Composite, Arsenic, Adsorption
Klíčová slova v angličtině
Autoři
Vydáno
01.07.2014
ISSN
0141-8130
Periodikum
International Journal of Biological Macromolecules
Svazek
68
Číslo
1
Stát
Nizozemsko
Strany od
125
Strany do
130
Strany počet
6
BibTex
@article{BUT107866, author="A.F. {Hassan} and Abdelmohsen Moustafa {Abdellatif} and Hassan {Elhadidy}", title="Adsorption of arsenic by activated carbon, calcium alginate and their composite beads", journal="International Journal of Biological Macromolecules", year="2014", volume="68", number="1", pages="125--130", doi="10.1016/j.ijbiomac.2014.04.006", issn="0141-8130" }