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Journal : Bulletin of Chemical Reaction Engineering

Synthesis of SrO.SiO2 Catalyst and Its Application in the Transesterification Reactions of Soybean Oil Nuni Widiarti; Lisa Amalia Suryana; Nanik Wijayati; Endah Fitriani Rahayu; Harjito Harjito; Samuel Budi Wardhana; Didik Prasetyoko; Suprapto Suprapto
Bulletin of Chemical Reaction Engineering & Catalysis 2017: BCREC Volume 12 Issue 2 Year 2017 (August 2017)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.12.2.804.299-305

Abstract

The synthesis and characterization of SrO.SiO2 were carried out. The rice hull ash was utilized as a source for SiO2. The SrO.SiO2 was prepared by sol-gel technique, and the ratios of SrO:SiO2 were      varied as 0:1, 1:0, 3:2, 2:4, and 2:7. The sol-gel was calcined at 800 oC for 4 hours. The result was    characterized using XRD and FTIR. The diffraction pattern shows that the diffraction angle was shifted, and the intensity of the main peaks was increased. This research indicated that the            crystallinity of SrO was improved at the higher SiO content. Further, a new peak was observed in the IR spectra at a wavenumber of 900 cm-1 indicating the appearance of new functional groups of the SrO.SiO2. The catalytic activity of SrO.SiO2 on transesterification reaction was optimized. The optimum condition was obtained at SrO.SiO2 of 2:7, reaction time of 30 minutes, reaction temperature of 65 oC, the amount of catalyst of 1 % w/v of reactants, and the biodiesel yield of 96.66 %. 
Molar Ratio Comparison of Ti-Zr as Catalyst Support of Bentonite in Esterification Reaction Firmansyah, Sanji; Agustian, Egi; Rinaldi, Nino; Widiarti, Nuni; Hanifah, Yuliza; Maisaroh, Maisaroh; Sulaswatty, Anny
Bulletin of Chemical Reaction Engineering & Catalysis 2025: BCREC Volume 20 Issue 1 Year 2025 (April 2025)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20258

Abstract

Natural bentonite from Pacitan - Indonesia as a support in the preparation of Ti and Zr-pillared metal catalysts (Ti-Zr/bent) for esterification reaction were studied. The preparation of Ti-Zr/bent catalyst was prepared to find out the effect of molar ratios (Ti:Zr) where an investigation was performed in the esterification of waste cooking oil. The catalyst was varied as follows: 0.5:1 (Ti-Zr-1/bent), 1:1 (Ti-Zr-2/bent), 1.5:1 (Ti-Zr-3/bent), 2:1 (Ti-Zr-4/bent), and 5:1 (Ti-Zr-5/bent) were used to determine the yield. The reaction was carried out for 3 hours at 150°C and a pressure of 40 bar N2 gasses. The result of the Ti-Zr/bent catalyst was given increasing significantly for surface area of 133–147 m²/g compares to bentonite 27 m²/g and 10 times of acidity. The best catalyst was shown in 2:1 of ratio Ti:Zr (molar) on esterification reaction with succesfuly performed about 80.40% of yield. Copyright © 2025 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Abdul Malik Adam, Nabil Fikri Aditya Marianti Aentika, Ika Nisa Agung Tri Prasetya Agus Yuwono Agus Yuwono Agustiana, Nina Agustin, Lutfia Agustina, Diah Tria Aisyah, Amma Aisyah, Amma Aji Purwinarko, Aji Akhlilia, Tudrika Al Hakim, M. Faris Anak Agung Istri Sri Wiadnyani Andreanna Kusuma Wardhani Anggun, Mei Sekar Ani Rusilowati Anjar Sulistriyono, Anjar Anny Sulaswatty, Anny Anwaristiawan, Duwanda Anwaristiawan, Duwanda Anwarudin, Azki Arief Yulianto Artissiani, Maysa Aryati, Nadya Putri Aryono Adhi, Aryono Asani, Sarida Nur Asri, Kanthi Atik Yuliyani Atmijaya, Rakhmatika Aulia, Syiva Zakia Bambang Eko Susilo Bambang Subali Budi Astuti Calis Meila Intantri Cepi Kurniawan Darminto . Decky Avrilianda Deviani, Siska Shelvia Deviani, Siska Shelvia Dewi, Citra Asmara Dewi, Kiky Rosita DIAN FATMAWATI Diana Diana Didi Subagja, Didi Didik Prasetyoko Dienti, Lulu Sania Durroh, Lum’Atud Dwi Kurniawati Handayani Dwi Lestari, Fitriana Dwiyanto, Aris Edi Waluyo Edy Cahyono Egi Agustian Eko Budi Susatyo Eko Handoyo Eko Handoyo Ella Kusumastuti, Ella Ellianawati Ellianawati, Ellianawati Emas Agus Prastyo Wibowo Emas Agus Prastyo Wibowo Endah Fitriaini Rahayu, Endah Fitriaini Endang Susilaningsih Eni Nurhayati, Eni Esti Ayu Ratnasari Esty Setyo Utaminingsih F Widhi Mahatmanti Fadila Mauliani Fakhruddin Fakhruddin Fakhruddin Farid Ahmadi Fathia Nuha Salsabila Fathur Rokhman Fathur Rokhman Fatmala, Cici Fiadillah, Maulidia Fara Firmansyah, Sanji Firoh, Luluk Magh Ginting, Yusrina Gofita Destiviani Pratama Hamzah Fansuri Handayani, Sri Hanifah, Yuliza Hanung Setiadi Haq, Ismi Arinal Harianingsih Harianingsih, Harianingsih Hariyastuti, Anik Harjito - Harjito Harjito Hasanah, Radita Herlina Dewi, Siti Hestin Wirasti Hidayati, Festi Hilda, Shinta Hutagaul, Ferry Ian Yulianti, Ian Ida Zulaeha Iftinawati, Sri Ilahy, Wildan Qosid Ilfa, Farah Nur Anina Inggit Prasetyo Utami Insan , Shiva Maulana Khoiru Inzoni, Inzoni Irawan, Teguh Adi Isdaryanti, Barokah Jihanifa, Firda Afita Kartika Puspita Sari, Kartika Puspita Kasmui -, Kasmui Komariah Komariah Kurniani, Silvia Kurniasari, Winda Laili Faridatuzzahro, Laili Lalus, Jelita Marista Latifah Latifah Lekatompessy, Astrid Lisa Amalia Suryana Lysa Setyaningrum, Lysa M Alaudin M. Alauhdin, M. Maghfiroh, Ayu Ainul Maisaroh Maisaroh Maria Ayu Puspita Marya Ulfha Maulana, Faith Miftah Maylia Rosanti, Yuan Meilina Rahayu Utami, Meilina Rahayu Mintarsih Arbarini Mochammad Imron Awalludin Mohammad Ali Sidik Muh Sholeh Muh. Sholeh Muhammad Khafid Mujaki, Ahmad Murbangun Nuswowati Mutiara, Herlisa Muttaqin, Ikin Nabil Fikri Adam Nailil Muna Asshalikha Najah, Safinatun Nanik Wijayati Narpiyanto, Narpiyanto Nastiti, Neni Navela Rahma Aji Ngabiyanto Ni'ma, Neli Syahida Nila Puspitasari, Nila Nino Rinaldi Ni’ma, Neli Syahida Nor Farida Azzakiya, Nor Farida Nor Hafizah Ngajikin Novita Puspa Dewi Nuha, Farin Hanifatun Nurcahyo, Bowo Nurcahyo, Bowo Panca Dewi Purwati Panca Dewi Purwati, Panca Pradia Paundradewa Jayawardana Pradipta, Anindhyta Putri Prasetyaningtyas, Tiwi Prasetyo, Ridho Pratiwi, Laila Diah Ayu Pudhi Listyorini Pujiati, Sri Ayu Pujiati, Sri Ayu Purnama Sari, Pemi Puspitasari, Hayu Ratih Putra, Muhammad Rizky Fahrizal Putra, Ngurah Made Darma Qomariah, Oom Raharjo , Tri Joko Rahayu, Cindi Aulia Rahayu, Endah Fitriani Rahman, Ridho Aditya Rakhmatika Atmijaya Rani Novita Ratna Ediati Ratnasari, Yanuar Meta Renni, Chayun Pida Renni, Chayun Pida Resti Ujiningtyas Rifa'i, Fitra Ahmad Riski, Via Rizki Yuniarti, Rizki Rohmah, Rojja Maysa Rosanti, Yuan Maylia S Mursiti Samsiah, Samsiah Samuel Budi Wardhana Samuel Budi Wardhana Kusuma Samuel Budi WK,, Samuel Budi Sari, Virgania Sarida Nur Asani Sarwi - Sarwi Sarwi Setianingsih, Dwi Ayu Setiyanda, Karista Gadis Setyani, Atik Siagian, Novia G. Sigit Priatmoko Sintarani, Chitra Siti Aminah Siti Barokah, Siti Siti Wahyuni Sofiana, Eli Sokmawan, Muhammad Rafi Hanairo Solihawati, Sofi Sri Haryani Sri Mantini Rahayu Sedyawati, Sri Mantini Rahayu Sri Sukaesih Sri Sukasih, Sri Sri Sumartiningsih Sri Wahyuni SRI WARDANI Sudarmin Sudarmin Sudarmin Sudarmin Sugiarto, Deasy Renaningtyas Sukarjo Sukarjo, Sukarjo Sulistiani, Erna Sulistyaningrum, Devitri Sulistyawan, Vera Noviana Sumbali, Bambang Sungkowo Edy Mulyono Sungkowo Sungkowo, Sungkowo Supartono - Suprapto Suprapto Suprapto, Suprapto Suprapto, Surapto Supriyadi Supriyadi Suranto, Tri Sutikno, Putri Yanuarita Suwito Eko Pramono Taripah, Taripah Tiara*, Yeti Tri Astuti Tri Handayani Tri Hidayah, Tri Tri Joko Raharjo Tri Prasetya, Agung Triana, Vivit Triastuti Sulistyaningsih Trida Ridho Fariz Umami, Nahdhiatul Unsa, Nurul Utami Nofitasari Utami, Dwi Fajar Utomo, Bagus Ginanjar Wadiyo Wahyu Lestari Wasino Wasino Widhiastuti, Endah Widhihastuti, Endah Wijianto, Wijianto Wildan Qosid Ilahy Winarni Pratjojo, Winarni Winarni Winarni Windarti Windarti Wiwi Isnaeni Woro Sumarni Wulandari, Ayu Mega Yanti, Arisma Yanti, Arisma Yayuk Tutiek Supriyanti Yeny Rahma Yeri Sutopo Yosepphiene Debbie Damayani Yudhistira, Yunan Gumara Yudhistira, Yunan Gumara Yulia Sri Utami Yunita, Anfi'na Ilma Zumaroh Zumaroh, Zumaroh