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Journal : Bulletin of Chemical Reaction Engineering

Pyrolysis of Microalgae Chlorella sp. using Activated Carbon as Catalyst for Biofuel Production Viqhi Aswie; Lailatul Qadariyah; Mahfud Mahfud
Bulletin of Chemical Reaction Engineering & Catalysis 2021: BCREC Volume 16 Issue 1 Year 2021 (March 2021)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.16.1.10316.205-213

Abstract

Microalgae, as a potential raw material for biofuel, has several advantages compared to other biomass. One effective way to convert microalgae into biofuel is by thermal cracking or pyrolysis, and using a catalyst or not. So far, studies on the use of microalgae, that are converted into biofuels, is still use highly concentrated catalysts in packed bed reactors, which is not economical. Therefore, the aim of this study is to convert Chlorella sp. into biofuels with conventional pyrolysis without and using an activated carbon catalyst using packed bed reactor with bubble column. The reaction temperature is 400–600 °C, pyrolysis time is 1–4 hours, and the active carbon catalyst concentration is 0–2%. The 200 grams of Chlorella sp. and the catalyst was mixed in a fixed bed reactor under vacuum (−3 mm H20) condition. Next, we set the reaction temperature. When the temperature was reached, the pyrolysis was begun. After certain time was reached, the pyrolysis produced a liquid oil product. Oil products are measured for density and viscosity. The results showed that the conventional pyrolysis succeeded in converting microalgae Chlorella sp. into liquid biofuels. The highest yield of total liquid oil is obtained 50.2 % (heavy fraction yield, 43.75% and light fraction yield, 6.44%) at the highest conditions which was obtained with 1% activated carbon at a temperature and pyrolysis time of 3 hours. Physical properties of liquid biofuel are density of 0.88 kg/m3 and viscosity of 5.79 cSt. This physical properties are within the range of the national biodiesel standard SNI 7182-2012. The packed bed reactor completed with bubble column is the best choice for converting biofuel from microalgae, because it gives different fractions, so that it is easier to process further to the commercial biofuel stage. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Co-Authors Achmad Fajrul Akbar Achmad Qodim Syafa'atullah Achmad Roesyadi Aditama, Narendra Yudha Agi Iqbal Velayas Ahmad Muklason Aisyah Triana Chintiyah Dewi Aldri Frinaldi Ali Altway Amalia Putri, Fauziah Annas Wiguno Aparamarta, Hakun Wirawasista Aswie, Viqhi Awaludin Rauf Firmansyah Awaludin Rauf Firmansyah Ayu Paramita Firdaus Darmawan, Raden Daru Satria Prayanto Delita Kunhermanti Dhaniar Rulandri Widoretno Dhiya Dini Azmi Donny Satria Bhuana Dwi Aris Setiawan Dwi Utari, Wahyuni Eric Nurandriea Eskalalita, Eskalalita Fabroyir, Hadziq Fachrudin Fachrudin Fahmi Muhammad Izzuddin Fatih Ridho Muhammad Fenni Suryanti Fikaputri Rohmatul Maula Fitria Fatmawati Fitria Romadhoni Fitrony Fitrony Gita Shintavia Hakun Wirawasista Hakun Wirawasista Harmami Harmami Hasanah, Yuliana Hidayatul Imro’atus Nur Mufidah Dimyati Putri Ina Nurfia Indraswari, Rarasmaya Indriana Purwaningsih Indriana Purwaningsih Istianah, Nur Ita Ulfin Ja'far As Shodiq Jamiliya Susantin Juwari Juwari Karim, Busro Khairudin, Nur KHOIRUL ANAM Kristianto, Teguh Kusuma, Heri Septya Kuswandi, Kuswandi Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud mahfud mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mashuri Mashuri Maula, Fikaputri Rohmatul Mochammad Ainun Hikam Mochammad Ainun Hikam Mohamad Iman Rachmadi Mohammad Fandy Ardhilla Mohammad Fandy Ardhilla Muhammad Salahudin Ni Luh Putu Hariastuti Niniek Fajar Puspita, Niniek Fajar Nuniek Hendrianie Nur Aini Rakhmawati Nur Syofa Lira Dalimunthe Nurkhamidah, Siti Permana, Dhiam Permata, Arif Rachman Eka Putri, Malfa Liya Raden Darmawan Raden Darmawan Rahadiantino, Lienggar Raka Selaksa Raka Selaksa Charisma Muchammad Renita Nurul Fitria Ridha Agustina Kholifatun Nisa Rizky Nurrochmad Ismail Rizqy Fauzi Rozi, Iqbal Fakhrur Ryvalda, Dhea Septyanonie Safetyllah Jatranti Sahiba Sahila Sarkawi, Sarkawi Selfina Gala Setiyo Gunawan Siti Machmudah Siti Nurhasanah Siti Zullaikah Sri Rachmania Juliastuti Suffahurrohman, M Nur Suhaimi Suhaimi Sumarno . Syafa’atullah, Achmad Qodim Syamsul Rijal Tantular Nurtono Taufiq Hidayat Tri Nugraha Ibnu Abdillah tri wahyuni Viqhi Aswie Viqhi Aswie Wahyono, Sapto Widiyastuti Winardi, Sugeng Yeni Rahmawati, Yeni Yuniati, Yuyun Yuyun Yuniati