Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye

Pollution from dye containing wastewater leads to a variety of environmental problems, which can destroy plant life and eco-systems. This study reports development of a seaweed-based biochar as an adsorbent material for efficient adsorption of methylene blue (MB) dye from synthetic wastewater. The E...

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Main Authors: Saeed, A.A.H., Harun, N.Y., Sufian, S., Siyal, A.A., Zulfiqar, M., Bilad, M.R., Vagananthan, A., Al-Fakih, A., Ghaleb, A.A.S., Almahbashi, N.
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Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.32419 /
Published: MDPI 2020
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098481624&doi=10.3390%2fsu122410318&partnerID=40&md5=90a6e9bd02ae6fcb6affc15d11f6803b
http://eprints.utp.edu.my/32419/
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spelling utp-eprints.324192022-03-29T02:55:47Z Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye Saeed, A.A.H. Harun, N.Y. Sufian, S. Siyal, A.A. Zulfiqar, M. Bilad, M.R. Vagananthan, A. Al-Fakih, A. Ghaleb, A.A.S. Almahbashi, N. Pollution from dye containing wastewater leads to a variety of environmental problems, which can destroy plant life and eco-systems. This study reports development of a seaweed-based biochar as an adsorbent material for efficient adsorption of methylene blue (MB) dye from synthetic wastewater. The Eucheuma cottonii seaweed biochar was developed through pyrolysis using a tube furnace with N2 gas, and the properties were later improved by sulfuric acid treatment. The adsorption studies were conducted in a batch experimental setup under initial methylene blue concentrations of 50 to 200 mg/L, solution pH of 2 to 10, and temperature of 25 to 75�C. The characterization results show that the developed biochar had a mesoporous pore morphology. The adsorbent possessed the surface area, pore size, and pore volume of 640 m2/g, 2.32 nm, and 0.54 cm3/g, respectively. An adsorption test for 200 mg/L of initial methylene blue at pH 4 showed the best performance. The adsorption data of the seaweed-based biochar followed the Langmuir isotherm adsorption model and the pseudo-second-order kinetic model, with the corresponding R2 of 0.994 and 0.995. The maximum adsorption capacity of methylene blue using the developed seaweed-based biochar was 133.33 mg/g. The adsorption followed the chemisorption mechanism, which occurred via the formation of a monolayer of methylene blue dye on the seaweed-based biochar surface. The adsorption performance of the produced seaweed biochar is comparable to that of other commercial adsorbents, suggesting its potential for large-scale applications. © 2020 by the authors. Licensee MDPI, Basel, Switzerland. MDPI 2020 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098481624&doi=10.3390%2fsu122410318&partnerID=40&md5=90a6e9bd02ae6fcb6affc15d11f6803b Saeed, A.A.H. and Harun, N.Y. and Sufian, S. and Siyal, A.A. and Zulfiqar, M. and Bilad, M.R. and Vagananthan, A. and Al-Fakih, A. and Ghaleb, A.A.S. and Almahbashi, N. (2020) Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye. Sustainability (Switzerland), 12 (24). pp. 1-15. http://eprints.utp.edu.my/32419/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Pollution from dye containing wastewater leads to a variety of environmental problems, which can destroy plant life and eco-systems. This study reports development of a seaweed-based biochar as an adsorbent material for efficient adsorption of methylene blue (MB) dye from synthetic wastewater. The Eucheuma cottonii seaweed biochar was developed through pyrolysis using a tube furnace with N2 gas, and the properties were later improved by sulfuric acid treatment. The adsorption studies were conducted in a batch experimental setup under initial methylene blue concentrations of 50 to 200 mg/L, solution pH of 2 to 10, and temperature of 25 to 75�C. The characterization results show that the developed biochar had a mesoporous pore morphology. The adsorbent possessed the surface area, pore size, and pore volume of 640 m2/g, 2.32 nm, and 0.54 cm3/g, respectively. An adsorption test for 200 mg/L of initial methylene blue at pH 4 showed the best performance. The adsorption data of the seaweed-based biochar followed the Langmuir isotherm adsorption model and the pseudo-second-order kinetic model, with the corresponding R2 of 0.994 and 0.995. The maximum adsorption capacity of methylene blue using the developed seaweed-based biochar was 133.33 mg/g. The adsorption followed the chemisorption mechanism, which occurred via the formation of a monolayer of methylene blue dye on the seaweed-based biochar surface. The adsorption performance of the produced seaweed biochar is comparable to that of other commercial adsorbents, suggesting its potential for large-scale applications. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
format Article
author Saeed, A.A.H.
Harun, N.Y.
Sufian, S.
Siyal, A.A.
Zulfiqar, M.
Bilad, M.R.
Vagananthan, A.
Al-Fakih, A.
Ghaleb, A.A.S.
Almahbashi, N.
spellingShingle Saeed, A.A.H.
Harun, N.Y.
Sufian, S.
Siyal, A.A.
Zulfiqar, M.
Bilad, M.R.
Vagananthan, A.
Al-Fakih, A.
Ghaleb, A.A.S.
Almahbashi, N.
Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
author_sort Saeed, A.A.H.
title Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
title_short Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
title_full Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
title_fullStr Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
title_full_unstemmed Eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
title_sort eucheuma cottonii seaweed-based biochar for adsorption of methylene blue dye
publisher MDPI
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098481624&doi=10.3390%2fsu122410318&partnerID=40&md5=90a6e9bd02ae6fcb6affc15d11f6803b
http://eprints.utp.edu.my/32419/
_version_ 1741197731169304576
score 11.62408

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