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Journal : Journal of Engineering Science and Technology Applications

Analisis Karakteristik Aspal Berdasarkan Batuan Reservoir Kabupaten Buton Provinsi Sulawesi Tenggara: Analysis of Asphalt Characteristics Based on Reservoir Rocks in Buton Regency, Southeast Sulawesi Province Sukardin, Sukardin; Widodo, Sri; Nurliah Jafar
Journal of Engineering Science and Technology Applications Vol. 1 No. 2 (2023): Journal of Engineering Science and Technology Applications
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jesta.v1i2.183

Abstract

Factors influencing the content of asphalt is the process of formation, moisture content and the type of reservoir rocks, then to do the research on the characteristics of asphalt based on reservoirnya rocks. The purpose of this research is to know the physical nature of Asphalt Buton Rock based on reservoirnya. The method used is the sokhlet method. The data used is data of rocks reservoir site I and II, the physical properties of the data of the asphalt. Of research results obtained at the location I have rocks limestone reservoir with poor porosity features have higher levels of bitumen (23-47%), the asphalt is more dense and hard, CaCO3 content was higher (86,66%) whereas in a location that has a reservoir rock II sandstones with physical characteristics of good porosity have lower levels of bitumen (20-40%), the asphalt is relatively more malleable, a higher SiO2 content (17,06). From the results it can be concluded that the physical nature of asphalt location I have poor porosity and physical properties II location has good porosity, on the location of research levels obtained 20-47%.
Analisis Kualitas Batubara Berdasarkan Analisis Proksimat, Total Sulfur dan Kalori di Site Jhonlin Group PT Tribhakti Inspektama: Coal Quality Analysis Based on Proximate Analysis, Total Sulfur and Calories at the Jhonlin Group Site, PT Tribhakti Inspektama Bakri, Suriyanto; Widodo, Sri; Arifin, Mubdiana; Ardana, Rifal
Journal of Engineering Science and Technology Applications Vol. 3 No. 2 (2025): Journal of Engineering Science and Technology Applications
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jesta.v3i2.299

Abstract

Coal is one of the fossil energy sources that remains the backbone of national energy needs, especially in the power generation and processing industries. The quality of coal greatly determines its economic value and efficiency of use, so a comprehensive analysis of coal characteristics is needed to determine its suitability for industry specifications and end-user requirements. PT Tribhakti Inspektama, as an independent inspection agency operating in the Jhonlin Group's working area, plays an important role in testing and monitoring the quality of coal to be marketed. This study aims to analyze coal quality based on the results of proximate analysis, total sulfur content, and calorific value in the Jhonlin Group mining area. The research method was carried out by taking coal samples from the stock file, preparing them, and analyzing them in the laboratory. The results of the study show that the proximate analysis of the samples was 4.13% ash, 20.87% moisture content, 42.21% volatile matter, and 32.77% fixed carbon. The coal in the study area is categorized as lignite with a low to sub-bituminous rating, so it still has the potential to be used for the cement industry and coal-fired power plants.
Co-Authors - Shobirun ., Sufriadin Abdul Jabar, Muhamad Adi Maulana, Adi Adi Tonggiroh Aditya, Dzulkifli Agung C., Budiarto Tedy Agus Didit Haryanto -, Agus Didit Haryanto Agus Riyanto Ahmad Faisal Akhmad Akhmad Akhmad Muttaqin Ali Akbar Alvionita, A. Febbi Amalia Noviyanti Amir Syarifudin, Amir Amir, Muh. Karnoha Amir, Muhamad Karnoha Amirullah, Rusman Andrian Nuriza Johan, Andrian Nuriza Anik Sulistiyanti Any Suryantini Apriliandita, Denita Teza Ayu Ardana, Rifal Arif Fadllullah Arifin, Mubdiana Arikah, Titi Arumansawang, Andi Aryanti Virtanti Anas Azijah, Izattul Aziz , Syahrul Fatchul Bagiya Bagiya Bakri, Hasbi Bakri, Suriyanto Bayu Purnomo, Lucky Bobihu, Sufran Taufik Budi Wiratno, Budi Budiarti, Ika Niswatin Budiman, Agus Ardianto Chayati, Nurul Defidelwina Denny Agustiningsih Deswita, Kurnia Djamaluddin . Dwidjono Hadi Darwanto Eddy Mulyadi Edi Sunjayanto Masykuri, Edi Sunjayanto Elsi Dwi Hapsari Faiz, Mifta Achmad Faizuddin, Mohammad Falirat, Naomi Febrianti, Marsela Fitri Haryanti Gunawan, Syahrul Hafram, Anshariah Hairyanti, Rizka Handono, Wiyasto Dwi Hanny Hafiar Hari Purnama, Hari Harwan Harwan Hasnur, Zool Kurniawan Hatta, Asta Arjunoarwan Hattu, Sendy Hazairin Zubair, Hazairin Heman Pailak Herman Sudiman Herman Sudirman Hermawan, Dudi Hermawan, Dudi Husniah, Nia I Gusti Bagus Wiksuana I WAYAN BUDIASA Iim, Dede Ilma Sarimustaqiyma Rianse Imai, Akira Indarwati Indarwati Irham, Irham Irzal Nur, Irzal Jamhari, Jamhari Jangkung Handoyo Mulyo Jayadi, Adi Jefri, J Johanes Hutabarat Julita, Ika Justitia Junaedi Setiyono Kadar, Muhammad Ilham Kambu, Megawati Kasbani, Kasbani Khairunnisa, Kafita Lathifatul Koichiro Watanabe, Koichiro Kusuma Putri, Ratih Hardini La Ode Dzakir Lestari Rahayu Waluyati Long, Zalizah Awang Lukman Hakim M Imran, A ma'rief, Al’Faizah Machmudah, Machmudah maryatun maryatun Masyhuri (Masyhuri) Masyhuri Masyhuri Muhammad Baiquni Muhammad Ramli Musri, Musri Nabila, Muthia Nani dkk. Mulyaningsih Natalia, Tia Nawir, Alfian Nikmatul Khayati Nugroho, M.S.Priyono Nur Ainun Nur Alam Fajar Nur Asmiani Nurfadli Nurfadli Nurhayati Nurhayati Nurliah Jafar Nurliah Jafar, Nurliah Nurlianti Dahliar, Nurlianti Nurwasikto, Arif Nurwaskito, Arif Okto Ivansyah Pandini, Sapitri Paramarti, Prajna Fawwaza Alya Paryanti, Atik Budi Permana, Aang Panji Purwanto . Putri, Yusfida Aulia Qaidahiyni, Nirmana Fiqra Rahmawati, Nur Rizka Ratna Purnama Sari Refanti Resa Nirmala Jona Rini Novrianti Sutardjo Tui Rizki Amalia Rony, Zahara Tussoleha S. Tui, Rini Novrianti Sabbina, Fauziah Asma Saputra, Wiwin Sasilani, Resni Senja Rum Harnaeni Shobirun - Slamet Hartono Soedjono, Sri Kadarsih Soetoyo, Soetoyo Sougi, Widhia Sri Peni Wastutiningsih Sudar Sudar Sufriadin, Sufriadin Sugiarti Sugiarti Suhanto, Edi Sukardin, Sukardin Sulaeman, Bambang Sulartiningrum, Sri Sumardi, Edy sumarno, eni ernawati Suminah Suminah, Suminah Sunarru Samsi Hariadi Suparmi Suparmi Suryadi, Tatang Suryanih, Suryanih Sutanto Sutanto Syaiful Hidayat, Syaiful Tamri, Tamri Tri Budi Wahyuni Rahardjo, Tri Budi Wahyuni Trisiwi Wahyu Widayati Tusino Tusino, Tusino Uli, Mariati Ulva Ria Irvan Usman, Arfa Utamakno, Lakon van Leeuwen, Theo Veni Purnama Sari, Veni Purnama Wahyu Wibawa, Wahyu Wahyudin Wahyudin Wahyuni, Nilam Winda Amelia Wicaksono, Andika Bayu Wulandari, Yenita Xander Salahudin Yogi La Ode Prianata Yosepha, Sri Yanthy Yuliana , Anan Yunita Wisda Tumarta Arif