Deconstruction of Malaysian agro-wastes with inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid

S. M.Shahrul Nizan Shikh Zahari, Alia Thuraya Mohd Amin, Nurdiyana Mohd Halim, Farah Amanina Rosli, Wan Ibrahim Thani Abd Halim, Nur Asyiqin Samsukamal, Bavitiraa Sasithran, Nur'Alyaa Zainal Ariffin, Hazeeq Hazwan Azman, Nur Hasyareeda Hassan, Zetty Shafiqa Othman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Ionic liquids (ILs) are known to be very effective at deconstructing biomass, but, they are typically 5-20 times more expensive than molecular solvents; this is a major impediment to the utilisation of ILs in biorefinery applications. In view of this, this paper is the first to report a preliminary study on the use of inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid, [N2220][HSO4] IL, in deconstructing two Malaysian agro-wastes, oil palm empty fruit bunches (OPEFB) and coconut husk. The [N2220][HSO4] IL was synthesised via simple acid-base neutralisation route between two inexpensive precursors: sulfuric acid, H2SO4, and triethylamine, N222. The results of deconstruction of OPEFB and coconut husk under the applied conditions, IL/H2O (80/20 wt/wt) at 120°C for 2 h, proved that the IL provided bifunctional action as: a Brønsted acid catalyst that hydrolysed chemical bonds linking carbohydrate-rich-material (cellulose and hemicellulose) and lignin fractions, and; a delignification agent that dissolved lignin, separating the biopolymer from the carbohydrate-rich-material. The outcomes of this study indicate that the deconstruction of Malaysian agro-wastes for isolating valuable biopolymers can be performed in a more economical and effective way using the [N2220][HSO4] IL.

Original languageEnglish
Title of host publicationRecent Advancement on Applied Physics, Industrial Chemistry and Chemical Technology
Subtitle of host publicationProceedings of the International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017
PublisherAmerican Institute of Physics Inc.
Volume1972
ISBN (Electronic)9780735416796
DOIs
Publication statusPublished - 5 Jun 2018
EventInternational Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017 - Melaka, Malaysia
Duration: 7 Nov 20178 Nov 2017

Other

OtherInternational Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017
CountryMalaysia
CityMelaka
Period7/11/178/11/17

Fingerprint

sulfates
hydrogen
liquids
lignin
fruits
biopolymers
carbohydrates
oils
acids
sulfuric acid
biomass
chemical bonds
cellulose
routes
catalysts

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Zahari, S. M. S. N. S., Amin, A. T. M., Halim, N. M., Rosli, F. A., Halim, W. I. T. A., Samsukamal, N. A., ... Othman, Z. S. (2018). Deconstruction of Malaysian agro-wastes with inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid. In Recent Advancement on Applied Physics, Industrial Chemistry and Chemical Technology: Proceedings of the International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017 (Vol. 1972). American Institute of Physics Inc.. https://doi.org/10.1063/1.5041245

Deconstruction of Malaysian agro-wastes with inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid. / Zahari, S. M.Shahrul Nizan Shikh; Amin, Alia Thuraya Mohd; Halim, Nurdiyana Mohd; Rosli, Farah Amanina; Halim, Wan Ibrahim Thani Abd; Samsukamal, Nur Asyiqin; Sasithran, Bavitiraa; Ariffin, Nur'Alyaa Zainal; Azman, Hazeeq Hazwan; Hassan, Nur Hasyareeda; Othman, Zetty Shafiqa.

Recent Advancement on Applied Physics, Industrial Chemistry and Chemical Technology: Proceedings of the International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017. Vol. 1972 American Institute of Physics Inc., 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zahari, SMSNS, Amin, ATM, Halim, NM, Rosli, FA, Halim, WITA, Samsukamal, NA, Sasithran, B, Ariffin, NAZ, Azman, HH, Hassan, NH & Othman, ZS 2018, Deconstruction of Malaysian agro-wastes with inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid. in Recent Advancement on Applied Physics, Industrial Chemistry and Chemical Technology: Proceedings of the International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017. vol. 1972, American Institute of Physics Inc., International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017, Melaka, Malaysia, 7/11/17. https://doi.org/10.1063/1.5041245
Zahari SMSNS, Amin ATM, Halim NM, Rosli FA, Halim WITA, Samsukamal NA et al. Deconstruction of Malaysian agro-wastes with inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid. In Recent Advancement on Applied Physics, Industrial Chemistry and Chemical Technology: Proceedings of the International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017. Vol. 1972. American Institute of Physics Inc. 2018 https://doi.org/10.1063/1.5041245
Zahari, S. M.Shahrul Nizan Shikh ; Amin, Alia Thuraya Mohd ; Halim, Nurdiyana Mohd ; Rosli, Farah Amanina ; Halim, Wan Ibrahim Thani Abd ; Samsukamal, Nur Asyiqin ; Sasithran, Bavitiraa ; Ariffin, Nur'Alyaa Zainal ; Azman, Hazeeq Hazwan ; Hassan, Nur Hasyareeda ; Othman, Zetty Shafiqa. / Deconstruction of Malaysian agro-wastes with inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid. Recent Advancement on Applied Physics, Industrial Chemistry and Chemical Technology: Proceedings of the International Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017. Vol. 1972 American Institute of Physics Inc., 2018.
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AU - Rosli, Farah Amanina

AU - Halim, Wan Ibrahim Thani Abd

AU - Samsukamal, Nur Asyiqin

AU - Sasithran, Bavitiraa

AU - Ariffin, Nur'Alyaa Zainal

AU - Azman, Hazeeq Hazwan

AU - Hassan, Nur Hasyareeda

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N2 - Ionic liquids (ILs) are known to be very effective at deconstructing biomass, but, they are typically 5-20 times more expensive than molecular solvents; this is a major impediment to the utilisation of ILs in biorefinery applications. In view of this, this paper is the first to report a preliminary study on the use of inexpensive and bifunctional triethylammonium hydrogen sulfate ionic liquid, [N2220][HSO4] IL, in deconstructing two Malaysian agro-wastes, oil palm empty fruit bunches (OPEFB) and coconut husk. The [N2220][HSO4] IL was synthesised via simple acid-base neutralisation route between two inexpensive precursors: sulfuric acid, H2SO4, and triethylamine, N222. The results of deconstruction of OPEFB and coconut husk under the applied conditions, IL/H2O (80/20 wt/wt) at 120°C for 2 h, proved that the IL provided bifunctional action as: a Brønsted acid catalyst that hydrolysed chemical bonds linking carbohydrate-rich-material (cellulose and hemicellulose) and lignin fractions, and; a delignification agent that dissolved lignin, separating the biopolymer from the carbohydrate-rich-material. The outcomes of this study indicate that the deconstruction of Malaysian agro-wastes for isolating valuable biopolymers can be performed in a more economical and effective way using the [N2220][HSO4] IL.

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