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Preparation and characterization of calcium oxide from crab shells (Portunus pelagicus) and its application in biodiesel synthesis of waste cooking oil, palm and coconut oil

Science and Technology Indonesia · Vol. 1 No. 1 (2017) · pp. 1–7

DOI
10.26554/sti.2016.1.1.1-7
ISSN
2580-4391, 2580-4405
Published
2017-06-21
Publisher
Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya
Language
eng

Abstract

Preparation of calcium oxide from Portunus pelagicus through thermal decomposition for 3 hours at various temperature 700°C, 800°C,900°C,1000°C, and 1100°C. The calcium oxidefrom decomposition was carried out and characterized by X-Ray Diffractometer (XRD), FT-IR spectrophotometer and SEM-EDX analyses. The result of XRD show decomposition Portunus pelagicus at 1000°C have diffraction pattern agree with the CaO diffraction standard with 2θ value 32.4º, 37.5º, 64.3º, and 67,5º. The FT-IR spectrum show vibration of CaO at wavenumber 354.9 cm-1. SEM-EDX data indicated the surface morphology calcium oxide of Portunus pelagicus more homogen than Portunus pelagicus before decomposition. The decomposition of CaO at 1000°C was applied in the syntesis of biodiesel from waste cooking oil, palm oil, and coconut oil. The biodiesel products have density 0.8621, 0.8725, and 0.8688 g/cm3. Viscosity are 5.27, 3.71, and 2.45 mm2/s(cst). Acid values respectively are 0.3069, 0.2423 and 0.2100 mg/KOH and Iodine numbers 39.48, 36.12 and 9.24 g I2/100g. All characteristic of biodiesel from waste cooking oil, palm oil, and coconut oil are agree with SNI standard. The best biodiesel product derived from coconut oil is agree to the parameter value of biodiesel standard. Keywords: biodiesel. Portunus pelagicus. calcium oxide. catalyst.

Collaboration network of the authors

40 authors · 177 co-authorship links · showing the 40 most connected

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  • Sriwijaya University
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Aldes LesbaniSriwijaya University16
Neza Rahayu PalapaSriwijaya University7
Alfan WijayaSriwijaya University5
Mardiyanto MardiyantoSriwijaya University5
Nur AhmadSriwijaya University4
Yulizah HanifahSriwijaya University4
Tarmizi TaherSriwijaya University4
Idha RoyaniSriwijaya University3
Hilda ZulkifliSriwijaya University3
Nova YuliasariSriwijaya University2
Amri AmriSriwijaya University2
Sahrul WibiyanSriwijaya University2
Yusuf Mathiinul HakimSriwijaya University2
Arini Fousty BadriSriwijaya University2
NormahSriwijaya University2
Patimah Mega Syah Bahar Nur SiregarSriwijaya University2
Novie JuleantiSriwijaya University2
Eliza ElizaSriwijaya University2
Elfita ElfitaSriwijaya University1
Zaqiya Artha ZaharaSriwijaya University1
Rohmatullaili RohmatullailiSriwijaya University1
Rahma Dinta AstutiSriwijaya University1
Aldes Lesbani Aldes LesbaniAffiliation unknown1
Marieska VerawatySriwijaya University1
Agnes AgnesSriwijaya University1
Randi O. SaragihSriwijaya University1
Suheryanto SuheryantoSriwijaya University1
Addy RachmatSriwijaya University1
Bakri Rio RahayuSriwijaya University1
Fitri Suryani ArsyadSriwijaya University1
MardiyantoAffiliation unknown1
AmriAffiliation unknown1
ElfitaAffiliation unknown1
Satria Jaya PriatnaSriwijaya University1
Muhammad Afif AlfariziSriwijaya University1
Siti SailahSriwijaya University1
. MardiantoSriwijaya University1
SuheryantoSriwijaya University1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) http://sciencetechindonesia.com/index.php/jsti/oai, first harvested 10 Nov 2026, last seen 10 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en-US">Preparation and characterization of calcium oxide from crab shells (Portunus pelagicus) and its application in biodiesel synthesis of waste cooking oil, palm and coconut oil</dc:title>
	<dc:creator>Minaria, Minaria</dc:creator>
	<dc:creator>Mohadi, Risfidian</dc:creator>
	<dc:description xml:lang="en-US">Preparation of calcium oxide from Portunus pelagicus through thermal decomposition for 3 hours at various temperature 700°C, 800°C,900°C,1000°C, and 1100°C. The calcium oxidefrom decomposition was carried out and characterized by X-Ray Diffractometer (XRD), FT-IR spectrophotometer and SEM-EDX analyses. The result of XRD show decomposition Portunus pelagicus at 1000°C have diffraction pattern agree with the CaO diffraction standard with 2θ value &amp;nbsp;32.4º, 37.5º, 64.3º, and 67,5º. The FT-IR spectrum show vibration of CaO at wavenumber 354.9 cm-1. SEM-EDX data indicated the surface morphology &amp;nbsp;calcium oxide of Portunus pelagicus more homogen than Portunus pelagicus before decomposition. The decomposition of CaO at 1000°C was applied in the syntesis of biodiesel from waste cooking oil, palm oil, and coconut oil. The biodiesel products&amp;nbsp; have density&amp;nbsp; 0.8621, 0.8725, and 0.8688 g/cm3. Viscosity are 5.27, 3.71, and 2.45 mm2/s(cst). Acid values respectively are 0.3069, 0.2423 and 0.2100 mg/KOH and Iodine numbers 39.48, 36.12 and 9.24 g I2/100g. All characteristic of biodiesel from waste cooking oil, palm oil, and coconut oil are agree with SNI standard.&amp;nbsp; The best biodiesel product derived from coconut oil is agree to the parameter value of biodiesel standard.&amp;nbsp;
Keywords: biodiesel. Portunus pelagicus. calcium oxide. catalyst.</dc:description>
	<dc:publisher xml:lang="en-US">Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya</dc:publisher>
	<dc:date>2017-06-21</dc:date>
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	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://sciencetechindonesia.com/index.php/jsti/article/view/3</dc:identifier>
	<dc:identifier>10.26554/sti.2016.1.1.1-7</dc:identifier>
	<dc:source xml:lang="en-US">Science and Technology Indonesia; Vol. 1 No. 1 (2016): October; 1-7</dc:source>
	<dc:source>2580-4391</dc:source>
	<dc:source>2580-4405</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://sciencetechindonesia.com/index.php/jsti/article/view/3/15</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2016 Science &amp; Technology Indonesia</dc:rights>
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