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All Journal Bulletin of Scientific Contribution : Geology Jurnal Teknologi Mineral dan Batubara Jurnal Teknologi Mineral dan Batubara
Sendjaja, Yoga A.
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology

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FASIES DAN LINGKUNGAN PENGENDAPAN BATUGAMPING FORMASI KALIPUCANG DAERAH KARANGNUNGGAL, TASIKMALAYA JAWA BARAT Kotarumalos, Sitti Hafsa; Abdurrokhim, .; Sendjaja, Yoga A.
Bulletin of Scientific Contribution Vol 16, No 1 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1383.707 KB)

Abstract

Penelitian ini membahas fasies batugamping dan lingkungan pengendapan Formasi Kalipucang berumur Miosen Tengah, dan tersingkap di Karangnunggal, Tasikmalaya, Jawa Barat. Pengelompokkan fasies batugamping ini berdasarkan pada tekstur batuan dan komposisi skeletal (bioclast). Fasies batugamping Formasi Kalipucang dapat dikelompokkan menjadi 7 fasies, yaitu: (1) batugamping packstone berkomposisi dominan alga, (2) batugamping rudstone, (3) batugamping packstone berkomposisi dominan foraminifera, (4) batugamping wackestone – packstone berkomposisi foraminifera, (5) batugamping grainstone berkomposisi alga, (6) batugamping grainstone berkomposisi foramifera, dan (7) batugamping packstone berkomposisi coral. Batugamping Formasi Kalipucang ini diinterpretasikan diendapkan dalam lingkungan foreslope–deep shelf margin and barrier– shelf lagoon pada sebuah paparan yang terisolasi dari endapan volkanik.Kata kunci: batugamping, fasies, lingkungan pengendapan, Formasi Kalipucang, Tasikmalaya, Jawa Barat
KESESUAIAN BATUBARA LAPISAN D UNTUK PROSES GASIFIKASI BAWAH PERMUKAAN Salinita, Silti; Purnama, Asep Bahtiar; Yuniardi, Yuyun; Nurdrajat; Sendjaja, Yoga A.
Jurnal Teknologi Mineral dan Batubara Vol 20 No 3 (2024): Jurnal Teknologi Mineral dan Batubara Edisi September 2024
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/jtmb.Vol20.No3.2024.1575

Abstract

Coal seam D is part of the Suban Burung Block, Muara Enim Formation, Central Palembang Subbasin, South Sumatra Basin, and is dated to the Middle to Late Miocene. The aims of this study is to determine the suitability of coal characteristics for (UCG) technology. The research was conducted on coal samples from seam D obtained from drilling during Underground Coal Gasification activities that utilized using the maceral composition method for coal utilization. Several coal quality parameter were tested, including calorific value, vitrinite reflectance, total sulfur content, ash content, total moisture content, ash fusion temperature, alkali oxide content (Na₂O + K₂O), maceral composition (vitrinite, liptinite, and inertinite), volatile matter content, as well as carbon and hydrogen content. Additionaly, to assess its applicability for UCG, the parameters of coal seam thickness and depth were also considered. The study results indicate that the characteristics of coal seam D has suitable for normative combustion and gasification using a fixed bed gasifier, a process similar to underground coal gasification. The thickness and depth of coal seam D are suitable for the application of Underground Coal Gasification (UCG) technology.
KESESUAIAN BATUBARA LAPISAN D UNTUK PROSES GASIFIKASI BAWAH PERMUKAAN Salinita, Silti; Purnama, Asep Bahtiar; Yuniardi, Yuyun; Nurdrajat; Sendjaja, Yoga A.
Jurnal Teknologi Mineral dan Batubara Vol 20 No 3 (2024): Jurnal Teknologi Mineral dan Batubara Edisi September 2024
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/jtmb.Vol20.No3.2024.1575

Abstract

Coal seam D is part of the Suban Burung Block, Muara Enim Formation, Central Palembang Subbasin, South Sumatra Basin, and is dated to the Middle to Late Miocene. The aims of this study is to determine the suitability of coal characteristics for (UCG) technology. The research was conducted on coal samples from seam D obtained from drilling during Underground Coal Gasification activities that utilized using the maceral composition method for coal utilization. Several coal quality parameter were tested, including calorific value, vitrinite reflectance, total sulfur content, ash content, total moisture content, ash fusion temperature, alkali oxide content (Na₂O + K₂O), maceral composition (vitrinite, liptinite, and inertinite), volatile matter content, as well as carbon and hydrogen content. Additionaly, to assess its applicability for UCG, the parameters of coal seam thickness and depth were also considered. The study results indicate that the characteristics of coal seam D has suitable for normative combustion and gasification using a fixed bed gasifier, a process similar to underground coal gasification. The thickness and depth of coal seam D are suitable for the application of Underground Coal Gasification (UCG) technology.
Co-Authors Abdurrokhim, . Asep Bahtiar Purnama, Asep Bahtiar Kotarumalos, Sitti Hafsa Nurdrajat Nurdrajat Silti Salinita, Silti Yuyun Yuniardi