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Sodium Silicate Catalyst for Synthesis Monoacylglycerol and Diacylglycerol-Rich Structured Lipids: Product Characteristic and Glycerolysis–Interesterification Kinetics

Bulletin of Chemical Reaction Engineering & Catalysis · Vol. ume (2022) · hlm. 250–262

DOI
10.9767/bcrec.17.2.13306.250-262
ISSN
1978-2993
Terbit
2022-06-30
Penerbit
Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Sodium silicate as heterogeneous base catalysts is more environmentally friendly and easily separated by filtration. The objective of this research was to evaluate the activated sodium silicate as catalyst for synthesis of monoacylglycerol (MAG) and diacylglycerol (DAG)-rich structured lipids (SLs) from a palm olein-stearin blend. Sodium silicate was activated and functional group was characterized. Reaction was performed using 5% catalyst (w/w) at various reaction temperature (70–120 °C) for 3 h in a batch stirred tank reactor. Physical properties of SLs, such as melting point, slip melting point, and hardness of SLs were determined. Reaction kinetics were also evaluated. The results show that Si−O bending was reduced and shifted to a Si−O−Na and Si−O−Si functional groups after sodium silicate activation. Temperature had a significant effect on SLs composition at higher than 90 °C. An increase in temperature produced more MAG, resulting in better product physical properties. The best reaction condition was at 110 °C. Rate constants and the Arrhenius equation were also obtained for each reaction step. In summary, the activated sodium silicate catalyzed glycerolysis-interesterification reaction, which produced MAG and DAG at temperature higher than 90 °C. Therefore, the physical properties of SLs were improved. Copyright © 2022 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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  • Universitas Gadjah Mada
  • University of Brawijaya
  • National Research and Innovation Agency
  • Universitas Trunodjoyo Madura
  • Southeast Asian Regional Centre for Tropical Biology
  • Politeknik STMI Jakarta
  • Universitas Wahid Hasyim
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Rekan penulisOrganisasiArtikel bersama
Pudji HastutiUniversitas Gadjah Mada3
Indro PrastowoUniversitas Gadjah Mada2
Irfan Dwidya PrijambadaUniversitas Gadjah Mada2
Donny WidiantoUniversitas Gadjah Mada2
J. JasmanUniversitas Gadjah Mada2
Wahyudi Budi SediawanUniversitas Gadjah Mada1
Reviana Inda Dwi SuyatnoPoliteknik STMI Jakarta1
Indah HartatiUniversitas Wahid Hasyim1
Pramudji HastutiUniversitas Gadjah Mada1
Sari DarmasiwiUniversitas Gadjah Mada1
Muhammad Nur CahyantoUniversitas Gadjah Mada1
Maulina NurikasariUniversitas Gadjah Mada1
Hani HilmantoUniversitas Gadjah Mada1
Avita Kusuma WardhaniUniversitas Gadjah Mada1
Muhaimin Rifa’iUniversity of Brawijaya1
Simon Bambang WidjanarkoUniversity of Brawijaya1
Yunianta YuniantaUniversity of Brawijaya1
Yosie Prayudha AriskyUniversitas Trunodjoyo Madura1
Mohammad FakhryUniversitas Trunodjoyo Madura1
Adam RobisalmiNational Research and Innovation Agency1
Diah ArtatiNational Research and Innovation Agency1
Mohammad OmanMinistry of Marine Affairs and Fisheries1
Dede SukartaNational Research and Innovation Agency1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.bcrec.id/index.php/bcrec/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Sodium Silicate Catalyst for Synthesis Monoacylglycerol and Diacylglycerol-Rich Structured Lipids: Product Characteristic and Glycerolysis–Interesterification Kinetics</dc:title>
	<dc:creator>Wangi, Inasanti Pandan</dc:creator>
	<dc:creator>Supriyanto, Supriyanto</dc:creator>
	<dc:creator>Sulistyo, Hary</dc:creator>
	<dc:creator>Hidayat, Chusnul</dc:creator>
	<dc:subject xml:lang="en-US">Glycerolysis-Interesterification; Structured Lipids; Monoacylglycerol and Diacylglycerol; Heterogeneous Base Catalyst; Reaction Kinetics</dc:subject>
	<dc:description xml:lang="en-US">Sodium silicate as heterogeneous base catalysts is more environmentally friendly and easily separated by filtration. The objective of this research was to evaluate the activated sodium silicate as catalyst for synthesis of monoacylglycerol (MAG) and diacylglycerol (DAG)-rich structured lipids (SLs) from a palm olein-stearin blend. Sodium silicate was activated and functional group was characterized. Reaction was performed using 5% catalyst (w/w) at various reaction temperature (70–120 °C) for 3 h in a batch stirred tank reactor. Physical properties of SLs, such as melting point, slip melting point, and hardness of SLs were determined. Reaction kinetics were also evaluated. The results show that Si−O bending was reduced and shifted to a Si−O−Na and Si−O−Si functional groups after sodium silicate activation. Temperature had a significant effect on SLs composition at higher than 90 °C. An increase in temperature produced more MAG, resulting in better product physical properties. The best reaction condition was at 110 °C. Rate constants and the Arrhenius equation were also obtained for each reaction step. In summary, the activated sodium silicate catalyzed glycerolysis-interesterification reaction, which produced MAG and DAG at temperature higher than 90 °C. Therefore, the physical properties of SLs were improved. Copyright © 2022 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). </dc:description>
	<dc:publisher xml:lang="en-US">Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)</dc:publisher>
	<dc:date>2022-06-30</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
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	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.bcrec.id/index.php/bcrec/article/view/13306</dc:identifier>
	<dc:identifier>10.9767/bcrec.17.2.13306.250-262</dc:identifier>
	<dc:source xml:lang="en-US">Bulletin of Chemical Reaction Engineering &amp; Catalysis; 2022: BCREC Volume 17 Issue 2 Year 2022 (June 2022); 250-262</dc:source>
	<dc:source>1978-2993</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.bcrec.id/index.php/bcrec/article/view/13306/6991</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2022 by Authors, Published by BCREC Group</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-sa/4.0</dc:rights>
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