Use of experimental design to evaluate the adsorption of chromium (VI) by alginate/polyaniline beads

Use of experimental design to evaluate the adsorption of chromium (VI) by alginate/polyaniline beads

Low-cost decorated sodium alginate beads with polyaniline (Alg@PANI beads) were easily prepared using a cross-linking method, and employed for the adsorption of Cr(VI) from aqueous solutions. The effect of several influencing parameters, including temperature, contact time, Cr(VI) concentration, and...

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Veröffentlicht in:Journal of the Serbian Chemical Society 2022-01, Vol.87 (5), p.589-601
Hauptverfasser: Abdelmajid, Belkhodja, Benkhaled, Amal, Attar, Tarik, Bousalem, Smain, Choukchou, Braham
Format: Artikel
Sprache:eng
Schlagworte:
anova
bioadsorbent
central composite design
response surface
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Zusammenfassung:Low-cost decorated sodium alginate beads with polyaniline (Alg@PANI beads) were easily prepared using a cross-linking method, and employed for the adsorption of Cr(VI) from aqueous solutions. The effect of several influencing parameters, including temperature, contact time, Cr(VI) concentration, and adsorbent dosage, was investigated and optimized using central composite design (CCD) under response surface methodology (RSM). The analysis of variance (ANOVA) of the quadratic model and the analyzed model revealed that the models were statistically significant, with a low P-value (
ISSN:0352-5139
1820-7421
DOI:10.2298/JSC210724104A