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Agus Prasetya
Universitas Gadjah Mada
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Journal : Metal Indonesia

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Recovery of Rare Earth Elements and Yitrium from non-Magnetic Coal Fly Ash using Acetic Acid Solution Hotden Manurung; Widya Rosita; I Made Bendiyasa; Agus Prasetya; Ferian Anggara; Widi Astuti; Dagus Resmana Djuanda; Himawan Tri Bayu Murti Petrus
Jurnal Metal Indonesia Vol 42, No 1 (2020): Metal Indonesia
Publisher : Balai Besar Logam dan Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.591 KB) | DOI: 10.32423/jmi.2020.v42.35-42

Abstract

The increasing need of REY has been observed in industries such as catalyst industry, metallurgy, military, health and renewable energy resources. REY such as Ce, Nd, Y, and Eu has a prominent evidence to improve material properties such as high electropositive, good conductivity and renewable energy. Due to this increasing need of REY, exploration of alternative source has been conducted. One of the promising alternative sources is coal fly ash. The conventional method to recover REY from coal fly ash using inorganic acids is harmful to the environment. Thus, the exploration of REY extraction from coal fly ash using organic acid has been proposed in this study. The leaching agent was acetic acid applied for all operating condition. Regarding to the mineralization of REY in the form of siliceous minerals (non-magnetic coal fly ash). Silicate digestion was conducted using sodium hydroxide 8 M with solid-to-liquid of 25% to decompose the siliceous mineral. Further, the REY bound siliceous mineral will change to REY(OH)3. Temperature as one of the operating conditions was varied. The maximum recovery of leaching 20.58 %, 43.53 %, 17.38%, 40.96 %, 18.45 % and 32.74 % were achieved for Ce, Dy, La, Nd, Y and Yb respectively at temperature of 90 0C pH 1.74 and 120 minutes. For some metals, increasing the temperature higher than 70 0C does not provide any significant effect for REY recovery such as La and Ce.
Co-Authors Adriyanti, Dwi Tyaningsih Adythia, Dicky Marsa Agus Aktawan Ahmad Tawfiequrrahman Yuliansyah Ai Siti Patimah Alfiana Adhitasari AM Lelie Novia W Ambar Pertiwiningrum Angge Dhevi Warisaura Anggun Rahmada Anggun Rahmada Ani Anjarwati Anjarwati, Ani Anshori, Shodiq Anton Sujarwo, Anton Aries Kurniawan Arif Rahman Hakim Arifudin Idrus Armaidy Armawi Asih, Yekti Asri, Wuwuh Astri Senania, Astri Aswati Mindaryani Awaluddin Nurmiyanto, Awaluddin Bagus Putro Budi Utomo Bengt Andersson Beni Dwi Komara Bidhari Pidhatika Brian Hayden Budi Kamulyan Cahyono, Rochim Bakti Chandra Wahyu Purnomo Dagus Resmana Djuanda Deden Ependi Dewi, Anggra Lita Sandra Dewi, Anggralita Sandra Dian Hudawan Santoso Dwi Sambada Dwi Saputri Dwi Saputri Edhi Martono Edia Rahayuningsih Erlambang, Erlambang Erlina Kurnianingtyas Erna Astuti Fadlilah, Ilma Fadliyah, Nurul Faishal, Faris Amir Fajar Marendra Fajar Marendra Fajar Marendra Fajar Marendra Farid Ma'ruf Felix Arie Setiawan Ferian Anggara Fitri Nur Kayati, Fitri Nur Hakim, Gilang Lukman Halomoan Siagian haries handoyo Hary Sulistyo Haryanto, Imam Hasanah, Nur Hayati Heimbach, Ivano Heri Cahyo Bagus Setiawan Hidayatunnisa, Nurul Fadhlya Himawan T. B. M. Petrus Himawan Tri Bayu Murti Petrus Himawan Tri Bayu Murti Petrus Himawan Tri Bayu Murti Petrus Himawan Tri Bayu Murti Petrus Hotden Manurung I Made Bendiyasa I Made Bendiyasa I Wayan Warmada Iga Maliga Ilham Ilham Ilma Fadlilah Ilma Fatimah Yusuf Iman Haryanto Indah Noor Dwi Kusuma Dewi Indra Perdana Indra Perdana Indra Perdana Juli Muwarni, Juli Kevin Cleary Wanta Kirana Dipta Rakhmasari Kisnanto, Indro Kristanto, Jonas Krister Ström Latukismo, Tatag Herbayu Lukman Subekti Mahfudl Sidiq Muhayyat Marendra, Fajar Maria Ratih Puspita Liestiono Marjan Bato Martha Helsanggi Maulana Gilar Nugraha Milawati Milawati Mochamad Syamsiro Mudjijana Mudjijana - Muh. Wahyu Syabani Muhammad A. A. Ramadhan, Muhammad Muhammad Arman Muhammad Hidayat Furqon MUHAMMAD SHOLEH Muhammad Sholeh Muhammad Sigit Cahyono Muhammad Sulaiman mulhidin, mulhidin Muqorobin, Muqorobin Mustakim, Zainal Mustika, Pra Cipta Buana Wahyu Natalia, Priskila Novie Putri Setianingrum Novie Putri Setianingrum Nuzulul Fatimah Oktaviani Nisa Hanafiah Panut Mulyono Prasakti, Laras Puji Astuti Purwantiningsih, Ary Purwanto, Abdul Fattah Bima Radwinda Kurnia Putri Rahmawati, Merza Rikhanatul Firdausy Puspitasari Rikhanatul Firdausy Puspitasari Rima Dewi Anggraeni Rizka Lestari Rizki Laksono, Rizki Rochim B. Cahyono Rochmadi Rochmadi Rochmadi Ruslim Budianto Salafudin Salafudin, Salafudin Saputri, Dwi Sarah Nabila Salma Sartika, Heni Wahyu Sarto Sarto Sarto Sarto Sarto Sarto Sarto Sarto Satria, Arysca Wisnu Satryo Dewanto Suryohendrasworo Setiawan, Heri Cahyo Agus Sholihatunnisa, Hanifa Afifia Sholikhati, Amalia Putri Sigit Heru Murti Sihana - Sihana - Siswanto, Romi Siti Helmyati Siti Nurul Aisyiyah Jenie, Siti Nurul Aisyiyah Siti Syamsiah Slamet Sumardi, Slamet Stenly Recky Bontinge Sudaryatno Sudaryatno Sujoto, Vincent Sutresno Hadi Sulistiyono Sulistiyono Suparti Suparti Suparti Supranto - Supranto Supranto Supriyatna, Yayat Iman Surami, Wuwuh Asrining Suryanaga, Edward Chandra Sutijan Suyanti Suyanti Tapiory, Jesica Teguh Ariyanto Teguh Ariyanto Timotius, Daniel Titik Indrawati Tri Winarni Soenarto Putri Ula, Rahmah Arfiyah Ulan Paluti Agustina Ummah, Maslacatul Wahyu Wilopo Warmita, Helena Karunia Wibowo, Decka Pynka Widi Astuti Widi Astuti Widodo - Widya Rosita Winarni, Marti Winoto, Gilbert Yogihaz, Billy Dion Yuni Kusumastuti, Yuni Zaizamshimi Nurul Farah Dyana