Valorization of the Vicia faba mucilage on textile wastewater treatment as a bio-flocculant: process development and optimization using response surface methodology (RSM)

The Vicia faba membranes are an abundant and a low cost product. In the present research paper, the extracted Vicia faba mucilage was tested as an eco-friendly flocculant for textile wastewater treatment. Its performance as flocculant, in decolorization, chemical oxygen demand (COD) removal and the...

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Published in:Water science and technology 2017-02, Vol.75 (3-4), p.629-642
Main Authors: Bouatay, Feriel, Eljebsi, Nesrine, Dridi-Dhaouadi, Sonia, Mhenni, Farouk
Format: Article
Language:English
Subjects:
Alum Compounds - chemistry
Aluminium
Aluminium sulfate
Aluminum
Aluminum sulfate
Analytical methods
Atoms & subatomic particles
Biological Oxygen Demand Analysis
Chemical oxygen demand
Coagulants
Coagulation
Decoloring
Decolorization
Denim
Dyes
Effluents
Flocculants
Flocculation
Industrial Waste - analysis
Infrared spectroscopy
Low cost
Membranes
Methods
Modelling
Models, Theoretical
Mucilage
Mucilages
Natural products
Optimization
Oxygen demand
Plant Mucilage - chemistry
Reagents
Removal
Response surface methodology
Studies
Sugar
Surface Properties
Suspended particulate matter
Textile Industry
Textile industry wastewaters
Textiles
Total suspended solids
Vicia faba
Vicia faba - chemistry
Waste Water - analysis
Wastewater
Wastewater treatment
Water Pollutants, Chemical - analysis
Water Purification - methods
Water treatment
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Mhenni, Farouk
description The Vicia faba membranes are an abundant and a low cost product. In the present research paper, the extracted Vicia faba mucilage was tested as an eco-friendly flocculant for textile wastewater treatment. Its performance as flocculant, in decolorization, chemical oxygen demand (COD) removal and the concentration of total suspended solids was checked. The natural extracted product was characterized using infrared spectroscopy. The total sugars were determined in the extracted product. The effect study, followed by an optimization and modeling analysis, of some experimental parameters on the coagulation-flocculation performance, using Vicia faba mucilage (as a flocculant), combined with aluminum sulfate (as a coagulant), showed that the best conditions for the flocculation process were pH of the effluent about 7, flocculant dose about 6.75 mg/L, flocculation mixing time about 3 min and flocculation mixing speed about 30 rpm, leading to a decolorization equal to 92.32%, COD removal of about 97.52% and total suspended solids of about 15.3 mg/L. A comparison study between the flocculation performance of commercial reagents and the bio-agent showed that the natural product presented a good flocculation performance.
doi_str_mv 10.2166/wst.2016.480
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identifier ISSN: 0273-1223
ispartof Water science and technology, 2017-02, Vol.75 (3-4), p.629-642
issn 0273-1223
1996-9732
language eng
recordid cdi_proquest_miscellaneous_1868393643
source Alma/SFX Local Collection
subjects Alum Compounds - chemistry
Aluminium
Aluminium sulfate
Aluminum
Aluminum sulfate
Analytical methods
Atoms & subatomic particles
Biological Oxygen Demand Analysis
Chemical oxygen demand
Coagulants
Coagulation
Decoloring
Decolorization
Denim
Dyes
Effluents
Flocculants
Flocculation
Industrial Waste - analysis
Infrared spectroscopy
Low cost
Membranes
Methods
Modelling
Models, Theoretical
Mucilage
Mucilages
Natural products
Optimization
Oxygen demand
Plant Mucilage - chemistry
Reagents
Removal
Response surface methodology
Studies
Sugar
Surface Properties
Suspended particulate matter
Textile Industry
Textile industry wastewaters
Textiles
Total suspended solids
Vicia faba
Vicia faba - chemistry
Waste Water - analysis
Wastewater
Wastewater treatment
Water Pollutants, Chemical - analysis
Water Purification - methods
Water treatment
title Valorization of the Vicia faba mucilage on textile wastewater treatment as a bio-flocculant: process development and optimization using response surface methodology (RSM)
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