A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously

Eutrophication is an inevitable phenomenon, and it has recently become an unabated threat. As a positive, the thriving microalgal biomass in eutrophic water is conventionally perceived to be loaded with myriad valuable biochemical compounds. Therefore, a sugarcane-bagasse-based adsorbent was propose...

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Main Authors: Wan Nurain Farahah, Wan Basri, Hanita, Daud, Lam, Man Kee, Cheng, C. K., Oh, Wen Da, Tan, Wen Nee, Maizatul Shima, Shaharun, Yeong, Yin Fong, Ujang, Paman, Kusakabe, Katsuki, Evizal, Abdul Kadir, Show, Pau Loke, Lim, Jun Wei
Format: Article
Language:English
Published: MDPI AG 2019
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Online Access:http://umpir.ump.edu.my/id/eprint/26860/
http://umpir.ump.edu.my/id/eprint/26860/
http://umpir.ump.edu.my/id/eprint/26860/
http://umpir.ump.edu.my/id/eprint/26860/1/A%20sugarcane-bagasse-based%20adsorbent%20employed%20for%20mitigating.pdf
id ump-26860
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spelling ump-268602020-03-19T07:13:11Z http://umpir.ump.edu.my/id/eprint/26860/ A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously Wan Nurain Farahah, Wan Basri Hanita, Daud Lam, Man Kee Cheng, C. K. Oh, Wen Da Tan, Wen Nee Maizatul Shima, Shaharun Yeong, Yin Fong Ujang, Paman Kusakabe, Katsuki Evizal, Abdul Kadir Show, Pau Loke Lim, Jun Wei TD Environmental technology. Sanitary engineering TP Chemical technology Eutrophication is an inevitable phenomenon, and it has recently become an unabated threat. As a positive, the thriving microalgal biomass in eutrophic water is conventionally perceived to be loaded with myriad valuable biochemical compounds. Therefore, a sugarcane-bagasse-based adsorbent was proposed in this study to harvest the microalgal biomass for producing biodiesel. By activating the sugarcane-bagasse-based adsorbent with 1.5 M of H2SO4, a highest adsorption capacity of 108.9 ± 0.3 mg/g was attained. This was fundamentally due to the surface potential of the 1.5 M H2SO4 acid-modified sugarcane-bagasse-based adsorbent possessing the lowest surface positivity value as calculated from its point of zero charge. The adsorption capacity was then improved to 192.9 ± 0.1 mg/g by stepwise optimizing the adsorbent size to 6.7–8.0 mm, adsorption medium pH to 2–4, and adsorbent dosage to 0.4 g per 100 mL of adsorption medium. This resulted in 91.5% microalgae removal efficiency. Excellent-quality biodiesel was also obtained as reflected by the fatty acid methyl ester (FAME) profile, showing the dominant species of C16–C18 encompassing 71% of the overall FAMEs. The sustainability of harvesting microalgal biomass via an adsorption-enhanced flocculation processes was also evidenced by the potentiality to reuse the spent acid-modified adsorbent. MDPI AG 2019-08-28 Article PeerReviewed pdf en cc_by_4 http://umpir.ump.edu.my/id/eprint/26860/1/A%20sugarcane-bagasse-based%20adsorbent%20employed%20for%20mitigating.pdf Wan Nurain Farahah, Wan Basri and Hanita, Daud and Lam, Man Kee and Cheng, C. K. and Oh, Wen Da and Tan, Wen Nee and Maizatul Shima, Shaharun and Yeong, Yin Fong and Ujang, Paman and Kusakabe, Katsuki and Evizal, Abdul Kadir and Show, Pau Loke and Lim, Jun Wei (2019) A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously. Processes, 7 (9). pp. 1-13. ISSN 2227-9717 https://doi.org/10.3390/pr7090572 https://doi.org/10.3390/pr7090572
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
topic TD Environmental technology. Sanitary engineering
TP Chemical technology
spellingShingle TD Environmental technology. Sanitary engineering
TP Chemical technology
Wan Nurain Farahah, Wan Basri
Hanita, Daud
Lam, Man Kee
Cheng, C. K.
Oh, Wen Da
Tan, Wen Nee
Maizatul Shima, Shaharun
Yeong, Yin Fong
Ujang, Paman
Kusakabe, Katsuki
Evizal, Abdul Kadir
Show, Pau Loke
Lim, Jun Wei
A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
description Eutrophication is an inevitable phenomenon, and it has recently become an unabated threat. As a positive, the thriving microalgal biomass in eutrophic water is conventionally perceived to be loaded with myriad valuable biochemical compounds. Therefore, a sugarcane-bagasse-based adsorbent was proposed in this study to harvest the microalgal biomass for producing biodiesel. By activating the sugarcane-bagasse-based adsorbent with 1.5 M of H2SO4, a highest adsorption capacity of 108.9 ± 0.3 mg/g was attained. This was fundamentally due to the surface potential of the 1.5 M H2SO4 acid-modified sugarcane-bagasse-based adsorbent possessing the lowest surface positivity value as calculated from its point of zero charge. The adsorption capacity was then improved to 192.9 ± 0.1 mg/g by stepwise optimizing the adsorbent size to 6.7–8.0 mm, adsorption medium pH to 2–4, and adsorbent dosage to 0.4 g per 100 mL of adsorption medium. This resulted in 91.5% microalgae removal efficiency. Excellent-quality biodiesel was also obtained as reflected by the fatty acid methyl ester (FAME) profile, showing the dominant species of C16–C18 encompassing 71% of the overall FAMEs. The sustainability of harvesting microalgal biomass via an adsorption-enhanced flocculation processes was also evidenced by the potentiality to reuse the spent acid-modified adsorbent.
format Article
author Wan Nurain Farahah, Wan Basri
Hanita, Daud
Lam, Man Kee
Cheng, C. K.
Oh, Wen Da
Tan, Wen Nee
Maizatul Shima, Shaharun
Yeong, Yin Fong
Ujang, Paman
Kusakabe, Katsuki
Evizal, Abdul Kadir
Show, Pau Loke
Lim, Jun Wei
author_facet Wan Nurain Farahah, Wan Basri
Hanita, Daud
Lam, Man Kee
Cheng, C. K.
Oh, Wen Da
Tan, Wen Nee
Maizatul Shima, Shaharun
Yeong, Yin Fong
Ujang, Paman
Kusakabe, Katsuki
Evizal, Abdul Kadir
Show, Pau Loke
Lim, Jun Wei
author_sort Wan Nurain Farahah, Wan Basri
title A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
title_short A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
title_full A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
title_fullStr A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
title_full_unstemmed A sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
title_sort sugarcane-bagasse-based adsorbent employed for mitigating eutrophication threats and producing biodiesel simultaneously
publisher MDPI AG
publishDate 2019
url http://umpir.ump.edu.my/id/eprint/26860/
http://umpir.ump.edu.my/id/eprint/26860/
http://umpir.ump.edu.my/id/eprint/26860/
http://umpir.ump.edu.my/id/eprint/26860/1/A%20sugarcane-bagasse-based%20adsorbent%20employed%20for%20mitigating.pdf
first_indexed 2023-09-18T22:42:05Z
last_indexed 2023-09-18T22:42:05Z
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