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Nunuk Hariani Soekamto
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Hasanuddin University, Perintis Kemerdekaan Street KM 10, Tamalanrea Makasssar, Indonesia.
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Veterinary

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Journal : Automotive Experiences

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Selectivity of the New Catalyst ZnO-MCM-48-CaO in Esterification of Calophyllum inophyllum Oil La Kolo; Firdaus Firdaus; Paulina Taba; Muhammad Zakir; Nunuk Hariani Soekamto
Automotive Experiences Vol 5 No 2 (2022)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.6711

Abstract

The synthesis of MCM-48 containing surfactants (CTAB and Triton X-100), ZnO, and CaO aimed to find a potential heterogeneous catalyst in the esterification of Calophyllum inophyllum oil to biodiesel. This research is important in the production of biodiesel from vegetable oils with more than 2% free fatty acids (FFA), such as Calophyllum inophyllum oil using heterogeneous catalysts. Synthesis of heterogeneous catalysts, MCM-48 and ZnO-MCM-48-CaO (ZMC), using the hydrothermal method at various calcination temperatures was conducted to find the optimum calcination temperature for the reaction. The activity of the catalyst in the reaction was determined using acid-base titration methods and GC-MS. The MCM-48 catalyst calcined at 650 °C (MCM-48/650) had a catalytic activity of 35.74% and was selective for converting linoleic acid in Calophyllum inophyllum oil to biodiesel. In addition, this catalyst was also capable of cracking the compounds contained in Calophyllum inophyllum oil into suitable hydrocarbons for biodiesel. In the esterification of vegetable oils, four heterogeneous catalysts (MCM-48/550, ZMC/550, ZMC/650, and ZMC/750) had the potential to replace conventional catalysts (H2SO4), particularly in the generation of biodiesel from Calophyllum inophyllum oil.
Optimization of the MCM-48 Synthesis Method as a Catalyst in the Esterification of Nyamplung Seed Oil into Biodiesel Kolo, La; La Kalamu, La Yusran; Soekamto, Nunuk Hariani; Taba, Paulina; Fauziah, St.; Maming, Maming; Zakir, Muhammad
Automotive Experiences Vol 7 No 1 (2024)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.10570

Abstract

This study was conducted to synthesize MCM-48 based on the surfactants (cetyltrimethylammonium bromide (CTAB) and Triton X-100). The effect of surfactant on MCM-48 was studied in the esterification of nyamplung seed oil. Optimization of the amount of surfactant in the MCM-48 catalyst in the esterification of nyamplung seed oil was carried out by washing and calcination methods. Comparison of GC-MS method and acid-base titration was also studied to determine the activity of the MCM-48 catalyst in the esterification. The results of the Mann Whitney statistical test showed that there was no significant difference (Asymp. Sig. (2-tailed) = 0.967) for the two methods. The effect of the active site on the MCM-48 catalyst activity in the esterification was characterized by FTIR and XRD. The catalyst's activity is significantly influenced by both the percentage transmittance of the silanol active site and the surfactant removal method. The MCM-48 catalyst manufactured by calcination (CTAB-MCM-48/650) performed 12.31% better than the washing approach (CTAB-MCM-48/1w). However, the CTAB-MCM-48 catalyst can be applied to the simultaneous reaction (esterification and transesterification) of the conversion of nyamplung seed oil into biodiesel.
Co-Authors . Asmirah A.A. Ketut Agung Cahyawan W Abdul Karim Abdul Wahid Wahab Ahyar Ahmad Ahyar Ahmad Ajuk Sapar Alfian Noor Alfian Noor Alfian Noor Alfian Noor Alfian Noor Alfian Noor Amalia, Hilda Ayu Melvi Arfah, Rugaiyah A. Artania Adnin Tri Suma Astuti, Ayun Dwi Badrawati, Kadek Susi Bahrun Bahrun Beddu Jawahir Erwin Erwin Erwin Erwin Erwin Erwin Felycitae Ekalaya Appa Firdaus Firdaus Firdaus Firdaus Firdaus Firdaus, Firdaus Fitriyanti Jumaetri Sami Fredryk Welliam Mandey Hanapi Usman Harningsih Karim Hasnah Natsir Hasnah Natsir Ihsanul Arief Imran Imran Irmawan, Muhammad Jalifah Latip Kalalinggi, Septaria Yolan Kasturiasih, Ni Putu Khairunnur, Siti Kolo, La La Kalamu, La Yusran La Kolo Labanni, Arniati Maming Maming Marry Garson Muh. Bachri Amran Muhammad Zakir Muhammad Zakir Muhammad Zakir Musa, Bulkis Musrifah Tahar Nasriadi Dali Nursiah La Nafie Nurwijayanti Paulina Taba Payapo Irfa Apriliyanti Rasyid, Herlina Rosmawaty Rosmawaty S Siswanto Sahidin . Samriani Samriani Selfi Wullur Seniwati Dali Sernita, Sernita St. Fauziah St. Fauziah Suriani Nur, Suriani Syadza Firdausiah Syadza Firdausiah Syahrir, Nur Hilal A. Syarifuddin, Syamsidar Haji Tjodi Harlim Tjodi Harlim Tjodi Harlim Tri Aryono Hadi Tri Aryono Hadi USMAN - Yana Maolana Syah Yusafir Hala Yusuf, Mohammad Taufik Zakaria Zakaria Zakaria