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Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars

Palm oil mill effluent (POME) is one of the main agro-industrial wastewaters in Malaysia. Highly polluting POME is a serious threat to the environment. In recent years, the methods used to treat POME are inefficient and complex in terms of cost or environmental preservation. The main object of this...

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Main Authors:	Deb, Nibedita, Alam, Md. Zahangir, Rahman, Tawfikur, Al-Khatib, Ma'an Fahmi Rashid, Jami, Mohammed Saedi, Mansor, Mariatul Fadzillah
Format:	Article
Language:	English English
Published:	Hindawi 2023
Subjects:	TP155 Chemical engineering
Online Access:	http://irep.iium.edu.my/105595/7/105595_Acid%E2%80%93base%20pretreatment%20and%20enzymatic%20_Scopus.pdf http://irep.iium.edu.my/105595/8/105595_Acid%E2%80%93base%20pretreatment%20and%20enzymatic.pdf http://irep.iium.edu.my/105595/ https://downloads.hindawi.com/journals/ijps/2023/8711491.pdf?_gl=1n95e95_gaNTc3OTE5LjE2ODk2Mzk3NzU._ga_NF5QFMJT5V*MTY4OTYzOTc3NS4xLjAuMTY4OTYzOTc3NS42MC4wLjA.&_ga=2.52377129.1078619253.1689639775-577919.1689639775 https://doi.org/10.1155/2023/8711491
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spelling	my.iium.irep.1055952024-05-02T04:14:57Z http://irep.iium.edu.my/105595/ Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars Deb, Nibedita Alam, Md. Zahangir Rahman, Tawfikur Al-Khatib, Ma'an Fahmi Rashid Jami, Mohammed Saedi Mansor, Mariatul Fadzillah TP155 Chemical engineering Palm oil mill effluent (POME) is one of the main agro-industrial wastewaters in Malaysia. Highly polluting POME is a serious threat to the environment. In recent years, the methods used to treat POME are inefficient and complex in terms of cost or environmental preservation. The main object of this research is to propose a single reactor system (SRS) obtained from POME wastewater discharge as a promising low-cost treatment and high-energy method for harvesting the fermentable sugar by applying acid–base–enzyme pretreatment and hydrolysis of POME by locally produced cellulase enzymes to enhance biofuel production. Several experiments were conducted to produce fermentable sugars through the statistical methods, including the characterization of POME, acid-base pretreatment, and enzymatic hydrolysis process for reducing sugar production. The one�factor-at-a-time (OFAT) results showed that the highest reducing sugar yield, 23.5 mg/mL of POME, was achieved by enzymatic hydrolysis in an SRS without having a separation and purification. Based on OFAT performance, optimization of two factors such as substrate concentration (total suspended solids, TSS %w/v) and enzyme loading (μmol/min) was carried out by applying face-centered central composite design (FCCCD) under the response surface methodology (RSM) to develop a second-order regression model. The optimum reducing sugar production was 26.6 mg/mL (53.14%) with the conditions of 5% w/v, TSS, and 80 μmol/min/mL of the enzyme dose. In addition, the results of this research can be further considered in biofuel production using other wastewaters to enhance biofuel production as well as wastewater treating functions and minimize the negative environmental impacts. Hindawi 2023-05-08 Article PeerReviewed application/pdf en http://irep.iium.edu.my/105595/7/105595_Acid%E2%80%93base%20pretreatment%20and%20enzymatic%20_Scopus.pdf application/pdf en http://irep.iium.edu.my/105595/8/105595_Acid%E2%80%93base%20pretreatment%20and%20enzymatic.pdf Deb, Nibedita and Alam, Md. Zahangir and Rahman, Tawfikur and Al-Khatib, Ma'an Fahmi Rashid and Jami, Mohammed Saedi and Mansor, Mariatul Fadzillah (2023) Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars. International Journal of Polymer Science, 2023. pp. 1-15. ISSN 1687-9422 E-ISSN 1687-9430 https://downloads.hindawi.com/journals/ijps/2023/8711491.pdf?_gl=1n95e95_gaNTc3OTE5LjE2ODk2Mzk3NzU._ga_NF5QFMJT5V*MTY4OTYzOTc3NS4xLjAuMTY4OTYzOTc3NS42MC4wLjA.&_ga=2.52377129.1078619253.1689639775-577919.1689639775 https://doi.org/10.1155/2023/8711491
institution	Universiti Islam Antarabangsa Malaysia
building	IIUM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	International Islamic University Malaysia
content_source	IIUM Repository (IREP)
url_provider	http://irep.iium.edu.my/
language	English English
topic	TP155 Chemical engineering
spellingShingle	TP155 Chemical engineering Deb, Nibedita Alam, Md. Zahangir Rahman, Tawfikur Al-Khatib, Ma'an Fahmi Rashid Jami, Mohammed Saedi Mansor, Mariatul Fadzillah Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
description	Palm oil mill effluent (POME) is one of the main agro-industrial wastewaters in Malaysia. Highly polluting POME is a serious threat to the environment. In recent years, the methods used to treat POME are inefficient and complex in terms of cost or environmental preservation. The main object of this research is to propose a single reactor system (SRS) obtained from POME wastewater discharge as a promising low-cost treatment and high-energy method for harvesting the fermentable sugar by applying acid–base–enzyme pretreatment and hydrolysis of POME by locally produced cellulase enzymes to enhance biofuel production. Several experiments were conducted to produce fermentable sugars through the statistical methods, including the characterization of POME, acid-base pretreatment, and enzymatic hydrolysis process for reducing sugar production. The one�factor-at-a-time (OFAT) results showed that the highest reducing sugar yield, 23.5 mg/mL of POME, was achieved by enzymatic hydrolysis in an SRS without having a separation and purification. Based on OFAT performance, optimization of two factors such as substrate concentration (total suspended solids, TSS %w/v) and enzyme loading (μmol/min) was carried out by applying face-centered central composite design (FCCCD) under the response surface methodology (RSM) to develop a second-order regression model. The optimum reducing sugar production was 26.6 mg/mL (53.14%) with the conditions of 5% w/v, TSS, and 80 μmol/min/mL of the enzyme dose. In addition, the results of this research can be further considered in biofuel production using other wastewaters to enhance biofuel production as well as wastewater treating functions and minimize the negative environmental impacts.
format	Article
author	Deb, Nibedita Alam, Md. Zahangir Rahman, Tawfikur Al-Khatib, Ma'an Fahmi Rashid Jami, Mohammed Saedi Mansor, Mariatul Fadzillah
author_facet	Deb, Nibedita Alam, Md. Zahangir Rahman, Tawfikur Al-Khatib, Ma'an Fahmi Rashid Jami, Mohammed Saedi Mansor, Mariatul Fadzillah
author_sort	Deb, Nibedita
title	Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
title_short	Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
title_full	Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
title_fullStr	Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
title_full_unstemmed	Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
title_sort	acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars
publisher	Hindawi
publishDate	2023
url	http://irep.iium.edu.my/105595/7/105595_Acid%E2%80%93base%20pretreatment%20and%20enzymatic%20_Scopus.pdf http://irep.iium.edu.my/105595/8/105595_Acid%E2%80%93base%20pretreatment%20and%20enzymatic.pdf http://irep.iium.edu.my/105595/ https://downloads.hindawi.com/journals/ijps/2023/8711491.pdf?_gl=1n95e95_gaNTc3OTE5LjE2ODk2Mzk3NzU._ga_NF5QFMJT5V*MTY4OTYzOTc3NS4xLjAuMTY4OTYzOTc3NS42MC4wLjA.&_ga=2.52377129.1078619253.1689639775-577919.1689639775 https://doi.org/10.1155/2023/8711491
_version_	1800081761964654592
score	13.211869

Acid–base pretreatment and enzymatic hydrolysis of palm oil mill effluent in a single reactor system for production of fermentable sugars

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