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Journal : Jurnal Bahan Alam Terbarukan

CATALYTIC ACTIVITY OF CALCIUM OXIDE FROM FISHBONE WASTE IN WASTE COOKING OIL TRANSESTERIFICATION PROCESS Widiarti, Nuni; Wijianto, Wijianto; Wijayati, Nanik; Harjito, Harjito; Kusuma, Samuel Budi Wardhana; Prasetyoko, Didik; Suprapto, Suprapto
Jurnal Bahan Alam Terbarukan Vol 6, No 2 (2017): December 2017 [Nationally Accredited]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v6i2.8335

Abstract

Calcium oxide was obtained from waste fish bones that has been carried out systematically by decomposition at various temperatures that 800oC, 900oC and 1000oC for 4 hours. Calcium oxide from the decomposition process was characterized using XRD, FTIR, SEM EDX and SAA. The result of XRD Diffractogram showed that the crystallinity increased as the calcination temperature increased. The absorption bands in the FTIR spectra of calcium oxide from calcined waste fish bones shown at 355 cm-1 region indicated Ca–O vibration, which was reinforced by the emergence of a peak at 859 cm-1. Based on the analysis using SEM EDX, the calcined waste fish bones typically irregular particles and contained dominant calcium element. The low value of BET surface area and the total of pore volume were consistent with the adsorption measurement with SAA. The calcium oxide was applied for biodiesel synthesis from Waste cooking oil through transesterification reaction. The result of the optimization that the calcium oxide was decomposed from waste fish bones at 900oC. It exhibited best catalytic activity in the transesterification of waste cooking oil providing maximum biodiesel yield of 93% at 4% (w/v) of catalyst loading. The decomposition of biodiesel are determined by GC MS that produced methyl palmitate, methyl linoleate, methyl elaidate, methyl linoleolate, methyl stearate and methyl linolenate.
Biodiesel Synthesis From Waste Cooking Oil Using CaO.SrO Catalyst By Transesterification Reaction In Batch Reactor Widiarti, Nuni; Haq, Ismi Arinal; Mahatmanti, F. Widhi; Harjito, Harjito; Kurniawan, Cepi; Suprapto, Surapto; Prasetyoko, Didik
Jurnal Bahan Alam Terbarukan Vol 7, No 2 (2018): December 2018 [Nationally Accredited]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v7i2.14925

Abstract

CaO is a very good catalyst for oil transesterification reactions into biodiesel, but requires a reaction time of 2 hours to obtain equilibrium. The time of CaO catalysis reaction can be accelerated by modifying the CaO catalyst with SrO. Synthesis biodiesel of waste cooking oil has been successfully conducted by transesterification reaction that used batch reactor assisted by CaO.SrO catalyst. The aim of this study is to determine the characteristics and catalytic activity of catalyst in the transesterification reaction. Catalysts have been successfully synthesized by coprecipitation method with oil to methanol molar ratio of 1:1, and its calcined at 800oC for 3 hours. Catalyst was characterized by XRD to determine the crystallinity. The smaller catalyst crystallinity obtained as the decline in intensity and shifts diffraction angles of CaO modified SrO catalyst. Surface area of catalyst characterized by SAA, that allow surface area between CaO modified SrO by 10.217 m2/g. Transesterification reaction performed on variation time (30, 60, 90, 120, 150 minutes), and the catalysts amount (1, 2, 4, 6, 8% w/v). The optimum condition of catalytic activity in reaction for 2 hours and the catalyst amount is 1% w/v of reactants that produce yield of biodiesel is 96.4%.
Co-Authors - Jumaeri A.A. Ketut Agung Cahyawan W Aan Teguh Febrianto Aan Yulianto A’yun, Qurrota Abdurahman Marasabessy Abraham Hatulely Addien Widita Weko Hartoyo, Addien Widita Weko Agung Tri Prasetya Ahmad Rifai Ahmad Rifai Amalia, Lola Amalia, Nur Rizky Amalina, Nur Dina Amanah Amanah Ambarini AS Amrullah, Shafwan Ani Rusilowati Ani Yunarida Annisa, Zuraida Jihan Antari, Winandari Dewi Anton Suryanto Anwaristiawan, Duwanda Anwaristiawan, Duwanda Ariskanopitasari, Ariskanopitasari Artika, Fajrin Dwi Arya Dwi Cahyo Utomo, Arya Dwi Cahyo Asrofah Asrofah Astuti, Fera Dwi Bagas, Rizky Muhammad Bayu Surarso Burhanuddin Cecep Kusmana Cepi Kurniawan Christina Wahyuningsih Cintia Nugraha Damayanti, Yosephine Debbie Dian Sri Asmorowati Didik Prasetyoko Dimas Pramata Sukma Dini Rakhmawati Djoko Purnomo Dwi Ariyanti Dwi Retnowati Edy Cahyono Eko Budi Susatyo Endah Suci Amalina, Endah Suci Endang Susilaningsih Ersanghono Kusumo, Ersanghono Eva Ardiana Indrariani F Widhi Mahatmanti Fahmi, Astafiq Faista, Deluna Hayang Faiz Amriana Fajar Prabowo Falikhatul Ifriza Fatrisia, Ihda Febri Mandhurul Labib, Febri Mandhurul Fitriarieswa, Aida Saefa FK Nisa, FK Handi Saputro Haq, Ismi Arinal Harjono - Hartini Hartini Hasan Asfariawan Hendriansyah Restu Omanda Holifah, Siti Nur Ida Agustiani, Ida Iin Purnamasari Ika Irma Widyana Ika Septiana Ika Septiana Ika Septiana Ilfa Shofia Noer Ina Anggreani Ishri Arju Syafangah, Ishri Arju Ita Asfuriyah Iwan Kurniawan Jarum Wiyanto Joko Basuki, Joko Junyanti, Eny Karuniawati DR Kasmui Kasmui -, Kasmui Khoirul Umam Krisanda, Yefta Irga Kumar Pujiati, Kumar Kusoro Siadi Kusuma, Irene Wardhani Kusumo, Ersanghono L.V. Rissa Lailatul Badriyah Laily Noor Izza, Laily Noor Latif Anshori Kurniawan Lestari, Etika Ayu Lilis Suryani Lita Sasmita Aji Lucia Ratnasari Marlita, Veril Sella Maunah, Uun Meku, Andir Mikhratunnisa, Mikhratunnisa Min Zahrotil Umami, Min Zahrotil Mohammad Andi Nugroho Mohammad Donny Andreyanto Mubarak, Dinda Halimah Agrifani Muhajir Muhajir Muhamat Sulkan Muhammad Fakhri Rosyada Muhammad Prayito Muhammad Saleh Mukhlis Mukhlis Murbangun Nuswowati Mutangabidin, Takhfiful Nadia Eka Safitri Nanik Wijayati Nazla Maharani U Nazla Maharani U Nazla Maharani Umaya Ngasbun Egar Nikken Prima Puspita Ninik Nurhidayati Noorhayati, Any Nugroho, Mohammad Andi Nuni Widiarti NUR AENI Nur Halimah Nurkolis Nurkolis, Nurkolis Nurnaningrum, Sri Nurul Huda Ervina, Nurul Huda Oktafiani, Nur Laila Pipit Mugi Handayani Prabowo, Kusdiyanto Eko Purwaningsih, Oki Puteri, Estri Ristra Radiansyah, Adi Rahayu, Noviana Sri Rahayu, Yayuk Mudji Rana Aflakhatin Auliya Rasiman Rasiman Resydina Amelia, Resydina Rina Dwi Setyawati Riyani, Annisa Fajar Riyani, Annisa Fajar Rizaldi, Lalu Heri Rizki Fauzan, Rizki Robertus Heri Sulistyo Utomo Rohmah, Rojaa Maysa Rosanti, Widya S. Priatmoko S. Wahyuni Sadewo, Ragil Pandu Sadewo, Ragil Pandu Safitri, Indah Samuel Budi Wardhana Kusuma Sari, Fera Emilia Sari, Fera Emilia Savira, Intan Serly Lutfi Setiyawan Setia Naka Andrian Shui-Te, Liu Sigit Pamungkas Sigit Priatmoko Soedjono Soedjono Solekah, Solekah Sovi Nurul Irmawati, Sovi Nurul Sri Haryani Sri Haryani Sri Kadarwati Sri Nurhayati Sri Suciati Sri Wahyuni SRI WARDANI Sri Wijayanti SriSuciati Subiyanto Hadi Saputro Subiyanto Hadisaputro, Subiyanto Suci Rahayu Sudarmin Sudarmin Sudaryono Sudaryono Sudibyo, Yohanes Curie Wijayanto Sunarya Sunarya Supartono - Suprapto, Suprapto Suprapto, Surapto Suryoto Suryoto Susilawati, Tri Suwandi Suwandi Suwandi Suwandi Suwarni Azis2 Tanggasari, Devi Teguh Satriyo, Muhammad Titi Udjiani SRRM Tjahyo Subroto, Tjahyo Toharin Toharin Trishuta Pathiassana, Mega Trishuta Pathiussina, Rimba Udjiani, Titi Uluwwi, Muhammad Ulul Widyana, Ika Irma Wijianto, Wijianto Winning Kusuma, Alberto Krishna Ksatria Winning Kusuma, Alberto Krishna Ksatria Wiyanto, Jarum Woro Sumarni Yohananingtyas, Nataliena Yohanna Indah Setyaningsih, Yohanna Indah Yundari, Yundari Zahrotul Mawaddah Zainal Arifin Zainal Arifin