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Reduction of Peroxide Value and Free Fatty Acid Value of Used Frying Oil Using TiO2 Thin Film Photocatalyst

Bulletin of Chemical Reaction Engineering & Catalysis · Vol. ume (2016) · hlm. 369–375

DOI
10.9767/bcrec.11.3.577.369-375
ISSN
1978-2993
Terbit
2016-10-11
Penerbit
Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

The quality of used frying oil degraded due to the presence of products degradation, such as; PV and FFA which formed during the frying process. PV and FFA are harmful to human health. The photocatalytic activity of TiO2 thin film has been applied in various fields, especially in the environment. The aim of this study is to evaluate photocatalytic activity of TiO2 thin film for reducing PV and FFA in used frying oil. The TiO2 thin films were deposited on glass substrate by spray coating method at a temperature of 450 oC. The TiO2 precursor solution was prepared by mixing TTiP, AcAc, and ethanol. The thin films were varied into two conditions; as-deposited and annealed at a temperature of 500 oC. The morphology, crystalline structure, and optical properties of the thin films were characterized by scanning electron microscope (SEM), X-ray Diffraction (XRD), and UV-VIS spectrophotometer, respectively. The photocatalytic process was carried out by putting TiO2 thin film in used frying oil and irradiated by sunlight. The result showed that both of TiO2 thin films were still amorphous in nature. However, there was a peak with low intensity for annealed TiO2 thin film which corresponding to the TiO2 anatase crystals plane of (101). Annealing process improved crystallinity and changed the shape morphology of TiO2 thin films. The band gap was found to be 3.59 eV for as-deposited TiO2 thin film and 3.49 eV for the annealed-TiO2 thin film. The photocatalytic process shows that TiO2 thin films reduced FFA and PV of used frying oil up to 67.10% and 79.15%, respectively. Photocatalytic activity of annealed TiO2 thin film was higher than as-deposited TiO2 thin film. The results indicated that TiO2 thin film photocatalyst potential as the new alternative method to purify used frying oil.

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  • Diponegoro University
  • Universitas PGRI Semarang
  • Universiti Malaysia Perlis
  • Universiti Brunei Darussalam
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Rekan penulisOrganisasiArtikel bersama
Nur KhoiriUniversitas PGRI Semarang2
Sigit RistantoUniversitas PGRI Semarang2
Harto NurosoUniversitas PGRI Semarang2
Muhammad AmiruddinUniversitas PGRI Semarang2
Irna FarikhahUniversitas PGRI Semarang2
Yuris SetyoadiUniversitas PGRI Semarang2
Intan Ayu PramestiUniversitas PGRI Semarang1
Muhammad Afta Dzikril HakimAfiliasi tidak diketahui1
Ken HastoAfiliasi tidak diketahui1
Margono MargonoUniversitas PGRI Semarang1
Imadudin HarjantoAfiliasi tidak diketahui1
Carsoni CarsoniAfiliasi tidak diketahui1
Endang Dian RokhmawatiUniversitas PGRI Semarang1
Aan BurhanudinUniversitas PGRI Semarang1
Irfan Abd RahimUniversiti Malaysia Perlis1
Sumariyah SumariyahDiponegoro University1
Fajar AriantoDiponegoro University1
Muhammad NurDiponegoro University1
Ade Ika SusanDiponegoro University1
Zaenul MuhlisinDiponegoro University1
Andi Wibowo KinandanaDiponegoro University1
Pratama Jujur WibawaDiponegoro University1
Gunawan GunawanDiponegoro University1
Anwar UsmanUniversiti Brunei Darussalam1
Azwar ManafAfiliasi tidak diketahui1
Eddy S. SiradjAfiliasi tidak diketahui1
Arvia ArviaDiponegoro University1
Nor Basid Adiwibawa PrasetyaDiponegoro University1
Ahmad JauhariDiponegoro University1
Nurul Wahyu PuspaningrumAfiliasi tidak diketahui1
Ida NursatiAfiliasi tidak diketahui1
Muhammad Danu RizkiaDiponegoro University1
Yayuk AstutiDiponegoro University1
Arnelli ArnelliDiponegoro University1
Fauzan MusthafaDiponegoro University1
Choirul HudaUniversitas PGRI Semarang1

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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">Reduction of Peroxide Value and Free Fatty Acid Value of Used Frying Oil Using TiO2 Thin Film Photocatalyst</dc:title>
	<dc:creator>Kaltsum, Ummi</dc:creator>
	<dc:creator>Kurniawan, Affandi Faisal</dc:creator>
	<dc:creator>Nurhasanah, Iis</dc:creator>
	<dc:creator>Priyono, Priyono</dc:creator>
	<dc:subject xml:lang="en-US">Annealing; FFA; PV; TiO2; Used Frying Oil</dc:subject>
	<dc:description xml:lang="en-US">The quality of used frying oil degraded due to the presence of products degradation, such as; PV and FFA which formed during the frying process. PV and FFA are harmful to human health. The photocatalytic activity of TiO2 thin film has been applied in various fields, especially in the environment. The aim of this study is to evaluate photocatalytic activity of TiO2 thin film for reducing PV and FFA in used frying oil. The TiO2 thin films were deposited on glass substrate by spray coating method at a temperature of 450 oC. The TiO2 precursor solution was prepared by mixing TTiP, AcAc, and ethanol. The thin films were varied into two conditions; as-deposited and annealed at a temperature of 500 oC. The morphology, crystalline structure, and optical properties of the thin films were characterized by scanning electron microscope (SEM), X-ray  Diffraction (XRD), and UV-VIS spectrophotometer, respectively. The photocatalytic process was carried out by putting TiO2 thin film in used frying oil and irradiated by sunlight. The result showed that both of TiO2 thin films were still amorphous in nature. However, there was a peak with low intensity for annealed TiO2 thin film which corresponding to the TiO2 anatase crystals plane of (101). Annealing process improved crystallinity and changed the shape morphology of TiO2 thin films. The band gap was found to be 3.59 eV for as-deposited TiO2 thin film and 3.49 eV for the annealed-TiO2 thin film. The photocatalytic process shows that TiO2 thin films reduced FFA and PV of used frying oil up to 67.10% and 79.15%, respectively. Photocatalytic activity of annealed TiO2 thin film was higher than as-deposited TiO2 thin film. The results indicated that TiO2 thin film photocatalyst potential as the new alternative method to purify used frying oil. </dc:description>
	<dc:publisher xml:lang="en-US">Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2016-10-11</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US"></dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.bcrec.id/index.php/bcrec/article/view/577</dc:identifier>
	<dc:identifier>10.9767/bcrec.11.3.577.369-375</dc:identifier>
	<dc:source xml:lang="en-US">Bulletin of Chemical Reaction Engineering &amp; Catalysis; 2016: BCREC Volume 11 Issue 3 Year 2016 (December 2016); 369-375</dc:source>
	<dc:source>1978-2993</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.bcrec.id/index.php/bcrec/article/view/577/449</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2016 by Authors, Published by BCREC Group</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>