Raw and treated Avokado waste to remove Bemacid Red-ETL dye from aqueous solution: kinetics and theoretical physics modeling
Publish place: Advances in Environmental Technology، Vol: 8، Issue: 4
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_AET-8-4_006
تاریخ نمایه سازی: 20 دی 1401
Abstract:
The raw and modified surface of agricultural waste of Avokado was investigated in the adsorption of textile dye Bemacid Red. Phosphoric Acid, sodium hydroxide, and Acetone were used to treat the adsorbent surface. Batch mode studied the effects of experimental parameters: solution pH, contact time, initial dye concentration and temperature. The fit of the kinetics data was performed by the pseudo-first and second-order models. Whereas the adsorption isotherm data was performed by the statistical physics models. The Batch results reveals that the contact time and initial concentration have a positive effect on adsorption capacity, however, the two other parameters have a negative effect. From the kinetic modeling results, it was observed that the pseudo-second order fit well the data with a height determination coefficient (۰.۹۷۱< R۲ < ۰.۹۸۴). On the other side the double layer with two energies from the tested physical models proves to be the best model to explain the Bemacid Red dye adsorption mechanism (۰.۰۹۹۱Bemacid Red dye and can be classified as a low and efficient adsorbent.
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Authors
Fouzia Ouazani
Energy and process engineering department, Faculty of Technology, Sidi Bel Abbes, Algeria
Samia Benhammadi
Laboratory of Science, Technology and Process Engineering-LSTGP. University of Science and Technology USTO- Oran, Algeria
Abdelkader Iddou
Laboratoire des Ressources Naturelles Sahariennes. Faculté des sciences et de la technologie, Université Ahmed Draia – Adrar, Algeria
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