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Journal : Journal of Mechanical Engineering Science and Technology

Investigate the Potential Renewable Energy of Microalgae Spirulina sp Using Proximate Analyzer, SEM-EDX, and Thermogravimetry Zakaria, Yahya; Sukarni, Sukarni; Puspitasari, Poppy; Mufti, Nandang; Anis, Samsudin; Johari, Anwar
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 6, No 2 (2022)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v6i22022p066

Abstract

Microalgae Spirulina sp which has been cultivated by the Brackishwater Aquaculture Development Center, Situbondo Indonesia were tested for their potential energy performance using proximate analyzer, SEM-EDX, and thermogravimetry. The proximate analyzer showed volatile matter (VM), fixed carbon (FC), moisture, ash content (AC), total sulfur of microalgae Spirulina sp 68.15, 12.57, 11.22, 8.06, and 0.67 (wt%, ar), respectively, and the gross calorific value (GCV) is 4971 kcal/kg (dry basis). SEM-EDX test showed the morphology and chemical content of Spirulina sp. The content of microalgae Spirulina sp is dominated by carbon (C) and oxygen (O), then followed by chlorine (Cl), sodium (Na), potassium (K), sulfur (S), magnesium (Mg), and phosphorus (P). Thermogravimetry pyrolysis test of microalgae Spirulina sp resulted thermogravimetry (TG) analysis and derivative thermogravimetry (DTG) analysis curve, which is divided into three different steps. The moisture of microalga Spirulina sp was vaporized at the first step, started at 27°C, and finished at 173°C with a decomposed mass of about 13.81% of the total initial mass. The second step began at the end of vaporize moisture at about 173°C and ended at around 618 °C. The gasification process occurred in volatile matter content and resulted mass loss of about 57.9% of Spirulina sp total mass. The last step showed the process of gasification of residual substances, started at the end of the volatile matter step, 618°C, and stopped at 995°C with a decomposed mass of 24.6% from total mass.
Co-Authors - Basyirun - Soedartono A. P. Bayuseno Abdul Aziz Achmad Erlangga Bintang Samodra Adhi Kusumastuti Afindala, Ajib Agus Prasetyo Agustinus Purna Irawan Ahmad, Aminullah Ahmad, Aminullah Al Ichlas Imran Aldias Bahatmaka Anas, Fahrudin Anwar Johari Ar Rasyid, Moh. Rizal Ardhianto, Mochamad Marte Aryo Baskoro Utomo Atika Atika Azhari, Wildan  Budiandono, Galuh Nur Cholifah, Ayu Cionita, Tezara Danang, Setio Wardana Desyandri Desyandri Djuniadi Djuniadi Dwi Widjanarko Dwi Wijanarko Eko Supraptono Faadhil, Muhammad Faadhil, Muhammad Fahira, Jian Faridah Nur Amalina Feddy Setio Pribadi Fitriyana, Deni Fajar Godham Eko Saputro Gustomo, Gigih Heri Yudiono Hidayatulloh, Choirul Fatah Hilal Rozaq Akbar I Made Sudana Iman Taka, Buyung Imran, Al Ichlas Indarsih, Fitria Retno Januar Parlaungan Siregar Jefri Bale Junaedi, Thomas Kalatharan, Sujentheran Nair Kamis, Arasinah Karnowo - Khoiron, Ahmad Mustamil Kuntoro, Tri Latifah, Ana M Burhan R M. Thooriq Anwar Maftukin, M Maftukin, M. Manalu, Janviter Marlangen, Retno Maryanto, Luthfi Eka Maryanto, Luthfi Eka Masugino Moch. Taufiq Ichsan Mochamad Marte Ardhianto Mochammad Marte Ardianto Mufid, Faishal Muhammad Afrizal Muhammad Khumaedi Mustikawati, Diana Langgeng Najibulloh, Gunawan Muhammad Najibulloh, Gunawan Muhammad Nandang Mufti Natalino Fonseca Da Silva Guterres Na’am, Fakhrihun Ninda Kurniadi Nisriinaa, Choirun Noor Hudallah Novitasari, Neny Nugroho, Rizky Fajar Nur Aini, Intan Nur Qudus P Pramono Pangestu, Pulih Phusavat, Kongkiti Pratiwi, Wikanti Prayogo, Wisnu Priyantama, Rifqi Dwi Priyatna, Bambang Sugeng Puspitasari, Windy Desti Putra, Naufal Bahy Rahmagandi, Irma Oktariamlati Rahmat Doni Widodo Rini Kusumawardani, Rini Risky Ismail Rizqi Fitri Naryanto Rosidah Rosidah Rozanna Dewi Rr. Poppy Puspitasari Rubai Wijaya, Burhan Rusdarti - Rusiyanto Rusiyanto, Rusiyanto Sardi Sardi SATRIA, ANAS Septian Eko Cahyanto Shofi, Amalia Siregar, Januar Parlaungan Sita Nurmasitah Sonika Maulana Sri Endah Wahyuningsih Sugiarto, Dedi Suharno, Muhamad Sukarni Sukarni Sunarto Sunarto Suprayogi, Sidiq Suryani, Titin Sus Widayani, Sus Susanto Susanto Suwandi, Fakhri Fauzi Syamsiar, Syamsiar Tamamudin, Mukhammad Taqy, Ibadurrohman Muhammad Tezara Cionita Titin Agustina Triyanto, Sandy Ulfah Mediaty Arief Utomo, Okky Husnan Arya Vidiyanto, Bagus Prabowo Wibowo, Salvo Eka Wicaksana, Yazid Surya Widya Aryadi Wijayanto, Etanto Heiliano Wildan  Azhari Wisnu Prayogo Yahya Zakaria Yeri Sutopo Yuris Setyoadi Zaenal Abidin Zainal, Z. A.