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All Journal Jurnal Ekonomi Al-Ijtima`i: International Journal of Government and Social Science CHEMPUBLISH JOURNAL Jurnal Edukasi dan Sains Biologi IDEAS: Journal on English Language Teaching and Learning, Linguistics and Literature Jurnal Pemberdayaan Masyarakat Madani (JPMM) JURNAL GALUNG TROPIKA JURNAL DINAMIKA MANAJEMEN DAN BISNIS Jurnal Masharif al-Syariah: Jurnal Ekonomi dan Perbankan Syariah Jurnal SOLMA al-Afkar, Journal For Islamic Studies Indonesian Mining Journal Communications in Science and Technology JURNAL EKONOMI PENDIDIKAN DAN KEWIRAUSAHAAN JURNAL PETIK Jurnal Pengabdian Magister Pendidikan IPA IMPROVEMENT: Jurnal Ilmiah untuk peningkatan mutu manajemen pendidikan Sarwahita : Jurnal Pengabdian Kepada Masyarakat Journal of Aquaculture and Fish Health Jurnal Ilmiah Samudra Akuatika Jurnal Riset Pembelajaran Matematika Vox Populi Jurnal Life Birth Jurnal Pedagogi dan Pembelajaran Journal Informatic, Education and Management (JIEM) KIDDO: Jurnal pendidikan Islam Anak Usia Dini Jurnal Tinta: Jurnal Ilmu Keguruan dan Pendidikan Mosharafa: Jurnal Pendidikan Matematika Plusminus: Jurnal Pendidikan Matematika GOVERNANCE: Jurnal Ilmiah Kajian Politik Lokal dan Pembangunan Wasilatuna: Jurnal Komunikasi dan Penyiaran Islam JESBIO : Jurnal Edukasi dan Sains Biologi JPUA: Jurnal Perpustakaan Universitas Airlangga: Media Informasi dan Komunikasi Kepustakawanan Jurnal Riset dan Pengabdian Masyarakat Jurnal Ekonomi dan Bisnis JIMEBIS AJAD : Jurnal Pengabdian kepada Masyarakat AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Journal Of Research and Education Chemistry (JREC) Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Journal of Social And Economics Research Edu Research : Jurnal Penelitian Pendidikan Linggau Journal Science Education (LJSE) JPOL: Journal of Pedagogy and Online Learning Jurnal Pendidikan Dasar Jurnal Sosial-Politika Center of Economic Students Journal (CSEJ) Jurnal Ilmu Manajemen Dan Kewirausahaan (JIMK) Jurnal Komunikasi dan Kebudayaan Jurnal Pengabdian Bangsa Jurnal Bisnis, Manajemen, dan Keuangan Kultura: Jurnal Ilmu Sosial dan Humaniora Jurnal Ekonomi dan Bisnis JSE: Jurnal Sharia Economica Nusantara Journal of Multidisciplinary Science Jurnal Ilmiah Mahasiswa Agrokomplek Jurnal Pengabdian Masyarakat dan Riset Pendidikan JURNAL SAINS dan INOVASI PERIKANAN Jurnal Pengembangan Pembelajaran Matematika Jurnal Penelitian Progresif (JPP) Jurnal Sipakatau JLE: Journal of Literate of English Education Study Program Serambi Engineering Jurnal Ilmiah Kepesantrenan Indonesian Mining Journal JEKAMI: Journal of Accounting Jurnal Payung Sekaki : Kajian Keislaman journal of social and economic research Jurnal Manajemen Riset Bisnis Indonesia International Journal of Language, Education, and Literature (IJLEL) BACA: Jurnal Dokumentasi dan Informasi Journal of Conflict and Social Class (JCSC) Mores: Jurnal Pendidikan, Moral dan Kewarganegaraan Jurnal Serambi Ilmu Jurnal Elektronik Pendidikan Matematika Tadulako RESISTOR: Jurnal Pendidikan Vokasional Teknik Welvaart: Jurnal Ilmu Kesejahteraan Sosial Parewa Saraq: Journal of Islamic Law and Fatwa Review Jurnal Perjuangan dan Pengabdian Masyarkat: JPPM Jurnal Inovasi Pembelajaran Sinergi : Jurnal Ilmiah Multidisiplin Ite Ngabdi
Rahmi
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : Indonesian Mining Journal

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PEMANFAATAN MINYAK BERAT HASIL PERENGKAHAN KATALITIK MINYAK PLASTIK POLYPROPYLENE-LOW DENSITY POLYETHYLENE UNTUK MENINGKATKAN KUALITAS LIGNIT Marlinda, Lenny; Mardhatillah; Raden Ilham; Rahmi; Muhammad Al Muttaqii
Indonesian Mining Journal Vol 27 No 2 (2024): Indonesian Mining Journal, October 2024
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/imj.Vol27.No2.2024.1544

Abstract

The most obvious characteristics of lignite are its high moisture content (30-50%) and relatively low calorific value compared to other types of coal. This causes low combustion efficiency, making it not optimal for use as fuel. In this study, the slurry dewatering process was applied to coal that has a low calorific value of 3,662 cal/g and a moisture content of 37.29%. The addition effect of heavy oil from catalytic cracking of Polypropylene-Low Density Polyethylene (PP/LDPE) plastic waste pyrolysis oil on improving quality of lignite was investigated in this study. Heavy oil was used as additive. The ratio of 120 mesh lignite to heavy oil used was 100:15, 100:30, 100:45, 100:60, 100:75, and 100:90 (g/mL). Coal was carried out with a slurry dewatering process in an autoclave at various temperatures of 140 and 150 °C for 60 min. The test results obtained the highest calorific value of 6,374 cal/g and the moisture content of 2.81% for a ratio of lignite to heavy oil of 100: 45 g/mL at a temperature of 140 °C.
PENGARUH PROSES HIDROTERMAL TERHADAP PENINGKATAN NILAI KALOR DAN PENURUNAN KADAR AIR PADA BATUBARA PERINGKAT RENDAH Marlinda, Lenny; Pane, Xena Maharani; Wiratama, Jarot; Zahar, Wahyudi; Khadafi, Muhammad Reza; Rahmi
Indonesian Mining Journal Vol 28 No 1 (2025): Indoneisan Mining Journal, April 2025
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/imj.Vol28.No1.2025.1539

Abstract

As a low-rank coal, brown coal is characterized to have high water content. It is required a method to improve coal quality that can be used for effective coal utilization. One of the methods is to apply thermal dewatering technology which focuses on improving the quality of low-rank coal using water medium and autoclave. The purpose of this study was to determine the effect of coal to water ratio (w/v) and the effect of particle size of a low rank-coal on water content and calorific value using the hydrothermal method. Coal was processed under hydrothermal conditions at 150 °C for 60 min. For a mixture of 100 g of 25 mesh coal and 50 mL of water, the calorific value and water content after the hydrothermal process reached 5,849 kcal/kg and 5.10% (adb), respectively. While for a mixture of 100 g of 40 mesh coal and 50 mL of water, the calorific value and water content after the hydrothermal process reached 5,789 kcal/kg and 4.94% (adb), respectively. The calorific value obtained increased from the initial value of 3,296 kcal/kg and the water content decreased from the initial value of 44.34% for the coal condition before hydrothermal process. It can be concluded that the hydrothermal process with heating without oxygen carried out by a hydrothermal reactor could increase the calorific value of low-rank coal and reduce water content.
Co-Authors A. Muh. Rifky Nugraha Abdul Aziz Abu, Nur Achmad Roesyadi Adhar Adhi Kurniawan Aditya Pratama Agun Sutrianto Agus Syam Agustin Nurhayati Agustina Nurhayati Ahmad , Finawati Ahmad Humaidi Ahmad Yusuf Ahmad, Muh. Ihsan Said Akbardiansyah, Akbardiansyah Akhir, Muhammad Akmal Al-Muttaqii, Muhammad Alfianor Alger Manaufals Ali Rahman Amalia Nabila Amin Tunda Amir Mahmud Amirah Kamila Safitri Andi Chadijah Andi Muhammad Sadat Anggraini Anggriani Alamsyah Aprili Wulandari Arga Arianti, Nining arliani, Suci Arninda Anawai Arsil Aryanie, Irne Asmaul Husna Asrial Asriyanti Syarif, Asriyanti Aswarliansyah Ati Sumiati Aulria, Siti Nurhaliza Mutia Awal Muqsith Azalia, Farah Cantika Cut Lika Mestika Sandy Cut Mazlina Ilhami Dalimunthe, Sholatia Dani, M Dedi Fazriansyah Putra Dedy Firduansyah Dermawan, M. Ariy Destria Kurnianti Desvita Lestari Dewi Susita Ditilebit, Norbertha Donny Septian Wibisono Dwinhoven, Ifhan Edy Miswar Eka Erniwati Ervina Kusuma Wardani Evina Aura Exa Putri Evriyenni Fadillah, Nadya Febianti , Rika Fhadira Insani Putri Fidhyallah, Nadya Fadillah Fikhratul, Fikhratul Fitrah Widyawati Fitri Indah Yani, Fitri Indah Gandung Sugita Gita Aprilia Gunawan Gusty Mutiara Medina Haerati Hafizah Delyana, Hafizah Hajidah Arianti, Qori Hamdunah Haneul Hapisah Hari Prajitno, Danawati Haura, Tazkia Hilman Hudain, Muh. Adnan Humaysah Ibrahim, Juliani Ika Febrilia Ika Kurniati, Neng Ikhsanul Khairi Iko imelda arisa Insani, Sri Ayu ISKANDAR Ismiatun Isnaniah Iswandi Ita Ilyana Ita Rodiah Jais, Ahmad Jamaluddin Jompa Jen Surya Kamase, Jeni Kayatun, Siti Nur Kelvint Khadafi, Muhammad Reza Khaeriyah, Andi Khaerunnisa Khairani, Suci Khairun Nisaa La Ibal Laila Nur Fitriah Laksmi Lenny Marlinda Lestari, Aprilia Eka Lia Anggresani Linda Destri Ayu Lucky Heriyanti Jufri, Lucky Heriyanti Luluk Fikri M Yusuf Mahdi Mahfirah, Titis Fatarina Mahmusin, Muhammad Arash bin Malzara, Vidia Ratu Balqis Manullang, Benny Mappaompo, M. Adam Mardhatillah MARIA BINTANG Masniar Megawati Mohamad Ikbal Riski Danial Mohamad Rizan Mohammad Ali Wairooy Mubarak Z, Sultan Muh. Yusuf Muhammad Akhir Muhammad Al Muttaqii Muhammad Anas Muhammad Hasan Muhammad Irham Muhammad Jufri Muhammad Rusdi Muhammad Saleh Muhammad Tahir Muhammadar MULYADI Mupi Anisah murni murni Mustain Mutiara Nofa Nst, Mutiara Nofa Nabila Ukhty Nanda, Teuku Syifa Fadrizha Nelly Nerlin Nopalina, Resi Nunuk Masluhiyah Nur Fadli Nur Insana Salam Nur Insana Salam Nur, Imran Syafei M. Nurhadi, Alfian Nurul Alamia Nurul Pratiwi Pane, Xena Maharani Patak, Andi Anto Perdana, Adli Waliul Permatasari , Ade Cahyani Prabumenang, Agung Kresnamurti Rivai Putri, Clara Alika Raden Ilham Rahadian Rahayu, Andi RAHMAT PERDANA Rahmati Rayandra Asyhar Relatami, Andi N Renita Rerung, Charmila Tandi Restina Bemis, Restina Restu Rezky Riki, Rd Riska ROCHMAH, AINUR Rosadi, Ariani Rozi, Anhar RR. Ella Evrita Hestiandari Sabila Eka Septi Safitri, Mutia Safri, Hayanuddin Safruddin Sahabuddin Sakban Salman Salsabila, Rija Tasya Saparuddin Sarah Nadia Sardana S .H.,M.H, Layang Sari , Jelita Atika Sari, Rini Nurmala Sarina Sasmi, Aji Ahmadi Setio Devi, Katrin Setyo Ferry Wibowo Sholikhah Siregar, Muhammad Edo Suryawan Siska Mellisa Sitti Maryam Hamid Sri Benti Etika Sri Wahyuni Firman Sudirman, Andi Sudirman, Andi Aridhasari Sufitrayati Sufritayati Sugihartati, Rahma Suherman Suhrawardi Sulfasyah Sulfiana SUSAN FEBRIANTINA, SUSAN Sutoyo Suwardi Syafira Ahsanti Syafitri Syahputra, Muhammad Rifki Syahrial Syaifudin Suhri Kasim Syamsu Rijal Syamsurya, Fajar Syarifah Zuraidah Tarimana, Sitti Fatimah Tassaka, Asmi Citra Malina A.R. Tiara, Ayunda Trisna Ludi Toatubun, Helmi Tuti Supatminingsih Tutiliana Ursula Natalia Usep Suhud Usman Ibnu A Uswatun Hasanah Vip Paramarta Vitria, Andi Vivin Wahyu, Farhanah Wardhana, Arya Wijaya Pramodha Wibimanyu, Putu Adityo Wildan Wiratama, Jarot Wulan Gontina Yana, Syaifuddin yanti, vitri Yefri Joni Yudha Yunus Saputra Yusra Dewi Yustia Wulandari Mirzayanti Zahar, Wahyudi Zahro, Khalisatuz Zakaria, Adam Zakiah, Rizka Zubaidillah, Muh. Haris Zulfida, Edith Windy Zulfikan Zulfitri Aima