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All Journal Jurnal technoscientia Jurnal Teknologi Pertambangan Techno LPPM LIBRARIA Jurnal Rekayasa Sipil dan Lingkungan Jurnal Teknologi Mineral dan Batubara Jurnal Mineral, Energi dan Lingkungan Prosiding Seminar Nasional Sains dan Teknologi Terapan Jurnal Mineral, Energi dan Lingkungan Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN JURNAL TEKNOLOGI TECHNOSCIENTIA Journal of Earth and Marine Technology (JEMT) Journal of Metallurgical Engineering and Processing Technology Action Research Literate (ARL) Dharma: Jurnal Pengabdian Masyarakat Jurnal Teknologi Mineral dan Batubara
Edy Nursanto
Program Studi Teknik Pertambangan, Fakultas Teknologi Mineral Universitas Pembangunan Nasional “Veteran” Yogyakarta Jl. SWK 104 (Lingkar Utara), Yogyakarta 55283 Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Journal : Techno LPPM

 1 
KONVERSI BATUBARA LIGNITE MENJADI ASAM HUMAT SEBAGAI PUPUK TANAMAN Fadhilah, Rahimatul; Nursanto, Edy
Journal TECHNO Vol 10, No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Low-rank coals, such as lignite and sub-bituminous coal, generally exhibit low calorific values (< 5,100 kcal/g, air-dried basis) and high moisture content (30-50%). This high moisture makes them less attractive and difficult to market, despite their abundance in Indonesia. Additionally, these coals are prone to spontaneous combustion, requiring special handling. Given their high moisture and sulfur content, they are inefficient as fuel and contribute to gas pollution, necessitating costly emission controls. This study, conducted in collaboration with Universitas Pembangunan Nasional Veteran Yogyakarta, explores the use of fine coal as a fertilizer additive. The research aims to evaluate the effectiveness of fine coal in urea fertilizers and analyze its humic acid content. Fine coal was tested as an additive in urea fertilizers at ratios of 3:1, 1:1, and 1:3 on pakcoy, kangkung, and tomatoes. The 1:3 ratio of urea to fine coal proved most effective, enhancing plant growth and leaf quantity. Results suggest fine coal, a byproduct from PT Adaro Indonesia, can be effectively used as a fertilizer additive, contributing to waste reduction. However, humic acid analysis revealed it does not yet meet standard fertilizer quality requirements, indicating a need for further improvement. Keyword: Low-rank coals, Fine coal, Fertilizer additive, Humic acid, Plant growth
Drain Hole Installation Design in an Open Coal Mine Cahyadi, Tedy Agung; Fadlil, Doni Firdaus; Titisariwati, Indun; Hartono, Hartono; Nursanto, Edy; Ansori, Muhammad Iqbal; Anggoro, Hengky
Journal TECHNO Vol. 7 No. 2 (2021): November
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v7i2.5441

Abstract

The presence of groundwater on the mine slopes can disturb the stability of the slope. High groundwater can increase pore pressure which affects the amount of load on the mine slope. In order to lower the groundwater level, it is necessary to have drainage holes to drain water naturally. This study aims to design a horizontal drain installation so that it can lower the groundwater table. The results of this study indicate the existence of an aquifer in the form of sandstones. In this aquifer horizontal drains will be installed. The results of this study are in the form of horizontal drains installation design, namely, the location of the installation of the horizontal drain, the diameter of the boreholes, the distance between the boreholes, the length of the horizontal drains installation pipe, and the angle of inclination of the installation of the horizontal drains.
KONVERSI BATUBARA LIGNITE MENJADI ASAM HUMAT SEBAGAI PUPUK TANAMAN Fadhilah, Rahimatul; Nursanto, Edy
Journal TECHNO Vol. 10 No. 1 (2024): Mei
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v10i1.13157

Abstract

Low-rank coals, such as lignite and sub-bituminous coal, generally exhibit low calorific values (< 5,100 kcal/g, air-dried basis) and high moisture content (30-50%). This high moisture makes them less attractive and difficult to market, despite their abundance in Indonesia. Additionally, these coals are prone to spontaneous combustion, requiring special handling. Given their high moisture and sulfur content, they are inefficient as fuel and contribute to gas pollution, necessitating costly emission controls. This study, conducted in collaboration with Universitas Pembangunan Nasional Veteran Yogyakarta, explores the use of fine coal as a fertilizer additive. The research aims to evaluate the effectiveness of fine coal in urea fertilizers and analyze its humic acid content. Fine coal was tested as an additive in urea fertilizers at ratios of 3:1, 1:1, and 1:3 on pakcoy, kangkung, and tomatoes. The 1:3 ratio of urea to fine coal proved most effective, enhancing plant growth and leaf quantity. Results suggest fine coal, a byproduct from PT Adaro Indonesia, can be effectively used as a fertilizer additive, contributing to waste reduction. However, humic acid analysis revealed it does not yet meet standard fertilizer quality requirements, indicating a need for further improvement. Keyword: Low-rank coals, Fine coal, Fertilizer additive, Humic acid, Plant growth
Co-Authors Aji, Dwi Poetranto Waloejo aldin ardian, aldin Anggoro, Hengky Ansori, Muhammad Iqbal Anzani, Fitri Alda Arifudin Idrus Bagus Wiyono, Bagus Bilhadi, Gilang Asra Cahyadi, Tedy Agung Danang Yudhiantoro, Danang Donatus Hendra Amijaya Eddy Winarno, Eddy Fadhilah, Rahimatul Fadlil, Doni Firdaus Frampton, Samantha Michelle Gunawan Nusanto, Gunawan Haq, Shofa Rijalul Hartono Hartono hasywir thaib siri, hasywir thaib Heru Suharyadi Indun Titisariwati, Indun Inmarlinianto Inmarlinianto, Inmarlinianto Irfan, Novandi Kresno Kresno, Kresno Lesmana, Dwi Mayanti Mega Lusantono, Oktarian Wisnu Maharani Rindu Widara Malinda, Eka Nagara, Barlian Dwi Nastigor Nasution, Roy Nurkhamim Nurkhamim, Nurkhamim Pambayu, Aldio Kresna Rianto, Doli Jumat Rifki Indra Perwira Rijalul Haq, Shofa Rika Ernawati Sari, Avellyn Shintya sefti, amila Sembiring, Rinawati Setiyawa, Meindra Shofa Rijalul Haq Simaremare, Evelyn Singgih Saptono, Singgih Situmorang, Herlan Register Siwidiani, Indri Lesta Subagyo Pramumijoyo, Subagyo Sukmawati Rukmana, Bantar Tyas Suryaputra, August Tasidjawa, Gabriela Elisabeth Tony, Cein Penias Tri Aditya, Muhammad Waluyo Adjie, Dwi Poetranto Waterman Sulistyana Bargawa, Waterman Sulistyana Wawong Dwi Ratminah, Wawong Dwi Winarso, Aris