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Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant

The present work evaluated the efficiency of Moringa oleifera seed powder (MOSP) as a natural coagulant for removing both turbidity and anionic dye from synthetic wastewater. The bio-coagulation tests were performed by preparing synthetic wastewater containing high turbidity and Amido Black 10B dye....

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Main Authors:	El Gaayda, Jamila, Titchou, Fatima Ezzahra, Barra, Issam, Karmal, Ilham, Afanga, Hanane, Zazou, Hicham, Yap, Pow-Seng, Zainal Abidin, Zurina, Mohamed Hamdani, Akbour, Rachid Ait
Format:	Article
Published:	Elsevier 2022
Online Access:	http://psasir.upm.edu.my/id/eprint/102412/ https://www.sciencedirect.com/science/article/pii/S2213343721019655?via%3Dihub
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spelling	my.upm.eprints.1024122023-05-22T03:49:42Z http://psasir.upm.edu.my/id/eprint/102412/ Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant El Gaayda, Jamila Titchou, Fatima Ezzahra Barra, Issam Karmal, Ilham Afanga, Hanane Zazou, Hicham Yap, Pow-Seng Zainal Abidin, Zurina Mohamed Hamdani Akbour, Rachid Ait The present work evaluated the efficiency of Moringa oleifera seed powder (MOSP) as a natural coagulant for removing both turbidity and anionic dye from synthetic wastewater. The bio-coagulation tests were performed by preparing synthetic wastewater containing high turbidity and Amido Black 10B dye. The efficiency of MOSP treatment was optimized using the central composite design (CCD) based on response surface methodology (RSM) and statistical analysis. A series of experiments were conducted to study the influence of several parameters on the coagulation efficiency, namely dosage of MOSP, initial dye concentration, pH, settling time, stirring speed, and stirring time. Experimental results indicated that the removal efficiencies of turbidity and dye from the synthetic wastewater achieved 98.5% and 92.2%, respectively. Numerical optimization results demonstrated that removal efficiencies of turbidity and dye of 100% were obtained at the optimum conditions as follows: MOSP dosage (0.34 mg L−1), dye concentration (7.88 mg L−1), initial pH (6.93), settling time (113.15 min), stirring speed (135 rpm), and stirring time (13.52 min). Moreover, the mechanism of removing turbidity and Amido Black 10B dye by MOSP could be attributed to surficial adsorption due to electrostatic interactions and hydrogen bonding effects. The results obtained have proven that MOSP bio-coagulant could be used as an efficient natural substance for wastewater treatment and an alternative to chemical coagulants. Elsevier 2022 Article PeerReviewed El Gaayda, Jamila and Titchou, Fatima Ezzahra and Barra, Issam and Karmal, Ilham and Afanga, Hanane and Zazou, Hicham and Yap, Pow-Seng and Zainal Abidin, Zurina and Mohamed Hamdani and Akbour, Rachid Ait (2022) Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant. Journal of Environmental Chemical Engineering, 10 (1). art. no. 106988. pp. 1-12. ISSN 2213-2929; ESSN: 2213-3437 https://www.sciencedirect.com/science/article/pii/S2213343721019655?via%3Dihub 10.1016/j.jece.2021.106988
institution	Universiti Putra Malaysia
building	UPM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Putra Malaysia
content_source	UPM Institutional Repository
url_provider	http://psasir.upm.edu.my/
description	The present work evaluated the efficiency of Moringa oleifera seed powder (MOSP) as a natural coagulant for removing both turbidity and anionic dye from synthetic wastewater. The bio-coagulation tests were performed by preparing synthetic wastewater containing high turbidity and Amido Black 10B dye. The efficiency of MOSP treatment was optimized using the central composite design (CCD) based on response surface methodology (RSM) and statistical analysis. A series of experiments were conducted to study the influence of several parameters on the coagulation efficiency, namely dosage of MOSP, initial dye concentration, pH, settling time, stirring speed, and stirring time. Experimental results indicated that the removal efficiencies of turbidity and dye from the synthetic wastewater achieved 98.5% and 92.2%, respectively. Numerical optimization results demonstrated that removal efficiencies of turbidity and dye of 100% were obtained at the optimum conditions as follows: MOSP dosage (0.34 mg L−1), dye concentration (7.88 mg L−1), initial pH (6.93), settling time (113.15 min), stirring speed (135 rpm), and stirring time (13.52 min). Moreover, the mechanism of removing turbidity and Amido Black 10B dye by MOSP could be attributed to surficial adsorption due to electrostatic interactions and hydrogen bonding effects. The results obtained have proven that MOSP bio-coagulant could be used as an efficient natural substance for wastewater treatment and an alternative to chemical coagulants.
format	Article
author	El Gaayda, Jamila Titchou, Fatima Ezzahra Barra, Issam Karmal, Ilham Afanga, Hanane Zazou, Hicham Yap, Pow-Seng Zainal Abidin, Zurina Mohamed Hamdani Akbour, Rachid Ait
spellingShingle	El Gaayda, Jamila Titchou, Fatima Ezzahra Barra, Issam Karmal, Ilham Afanga, Hanane Zazou, Hicham Yap, Pow-Seng Zainal Abidin, Zurina Mohamed Hamdani Akbour, Rachid Ait Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant
author_facet	El Gaayda, Jamila Titchou, Fatima Ezzahra Barra, Issam Karmal, Ilham Afanga, Hanane Zazou, Hicham Yap, Pow-Seng Zainal Abidin, Zurina Mohamed Hamdani Akbour, Rachid Ait
author_sort	El Gaayda, Jamila
title	Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant
title_short	Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant
title_full	Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant
title_fullStr	Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant
title_full_unstemmed	Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant
title_sort	optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of moringa oleifera seed powder as a green coagulant
publisher	Elsevier
publishDate	2022
url	http://psasir.upm.edu.my/id/eprint/102412/ https://www.sciencedirect.com/science/article/pii/S2213343721019655?via%3Dihub
_version_	1768009453881262080
score	13.211869

Optimization of turbidity and dye removal from synthetic wastewater using response surface methodology: effectiveness of Moringa oleifera seed powder as a green coagulant

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