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MENGGALI KEKUATAN INTERNAL MASYARAKAT MELALUI ENERGI BARU TERBARUKAN KHUSUSNYA LIMBAH TERNAK SAPI DI DESA WANAJAYA, KECAMATAN WANARAJA, KABUPATEN GARUT â PROVINSI JAWA BARAT Sriyanti, Sriyanti; Widayati, Sri; Pulungan, Linda; Usman, Dudi Nasrudin
ETHOS (Jurnal Penelitian dan Pengabdian) Vol 4 No.1 (Januari 2016) Ethos: Jurnal Penelitian dan Pengabdian (Sains & Teknologi)
Publisher : Universitas Islam Bandung

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

Energi baru terbarukan merupakan suatu pengembangan teknologi dalam rangka pemanfaatan sumberdaya alam ataupun non-alami yang dimanfaatkan untuk menjadi suatu energy baru seperti biogas dan listrik. Tenaga listrik merupakan sumber energi yang sangat penting bagi kehidupan manusia baik untuk kegiatan industri,kegiatan komersial maupun kehidupan sehari-hari masyarakat. Termasuk untuk Desa Wanajaya, sebagai desa yang merupakan penghasil ternak khususnya sapi. Desa ini merupakan pilot project dalam pengembangan biomassa menjadi bio gas, namun karena adanya beberapa kendala maka pilot project tersebut tidak berkelanjutan. Pengolahan kotoran ternak menjadi biogas selain menghasilkan gas metan untuk memasak juga mengurangi pencemaran lingkungan, menghasilkan pupuk organik padat dan pupuk organik cair dan yang lebih penting lagi adalah mengurangi ketergantungan terhadap pemakaian bahan bakar minyak bumi yang tidak bisa diperbaharui. Tujuan kegiatan PKM ini yaitu melakukan tahapan awal di dalam rencana penerapan teknologi tepat guna pemanfaatan kotoran sapi sebagai sumber energi gas dan energi listrik alternatif di Desa Wanajaya, Kec. Wanaraja â Kabupaten Garut. Besarnya produksi kotoran sapi per hari atau per tahunnya menjadi daya tarik dan kekuatan untuk bisa memanfaatkan limbah ternak menjadi biogas dan energi alternatif bagi lingkungan masyarakat local. Selain ketersedian kotoran sapi sebagai modal utama untuk pemanfaatan limbah ternak (kotoran sapi) ada factor-faktor lain yang harus diperhatikan, antara lain ; pakan ternak yang digunakan, pengelolaan limbah ternak, jumlah sapi, jarak lokasi timbunan kotoran dengan rumah dan lain-lain. Mengembangkan dan Meningkatkan kemampuan sumberdaya masyarakat didalam pemanfaatan limbah ternak menajdi berbagai alternatif baik sisi energi, biogas dan lainnya

Penelitian Potensi Sumber daya Bahan Galian Pasir di Gunung Celak Desa Celak Kecamatan Gunung Halu Suherman, Suherman; Guntoro, Dodo; Usman, Dudi Nasrudin
ETHOS (Jurnal Penelitian dan Pengabdian) Vol 1 No.2 (2003) Ethos: Jurnal Penelitian dan Pengabdian (Sains & Teknologi)
Publisher : Universitas Islam Bandung

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

this reseach was carried out to obtain a detail information of the existence of sand deposit

Gold mineralization in the Neo-Tectonic Region of Honje Formation and Cipacar Formation Usman, Dudi Nasrudin; Sulaksana, Nana; Hirnawan, Febri; Haryanto, Iyan
Journal of Geoscience, Engineering, Environment, and Technology Vol 3 No 4 (2018): JGEET Vol 03 No 04 : December (2018)
Publisher : UIR PRESS

The gold ore mineralization region is a zone of mineralization which is inseparable from the role of geological structures, one of which is fracture. The Cibaliung and surrounding areas are epithermal gold mineralization zones, in this region there are two main mineralized zones, namely Cibitung Zone and Cikoneng Zone. It has almost the same characteristics where the fractures formed are quite large so that it influences the class of rock mass, but the other side is the presence of many fractures which make it easier for scattered mineralization to fill the fracture so that the formed vein is thick enough. This study aims to analyze the relationship of Rock Mass Rating (RMR) and Rocks Quality Design (RQD) to tectonic movements in the region to prove the neo-tectonic phenomena in the Honje Formation and Cipacar Formation using surface mapping methods. The methods used are rock type mapping, rock structure mapping, mapping and RQD measurements, rock descriptions and rock sample collection. All the data obtained are then verified and validated before processing and statistical tests. Statistical tests are carried out to ensure an analysis with a basis that is recognized by all parties. Both formations above have different ages, which is for the Honje Formation (Andesite Lava) with the final Miocene age and Cipacar Formation (tuff) at the age of Pleistocene. The findings of this study are the two formations measured by RQD and RMR on rock cracks and surrounding conditions; the RMR observation station made around 125 points in the Honje Formation and 117 points in the Cipacar Formation. The R2 value of the RMR value of the Honje Formation and the Cipacar Formation shows a positive relationship of 67%; The biggest RMR value is in Tuff rock. In addition, the relation between RMR Andesite Lava Value and RMR Tuff Value is done with T-Test between Andesite Lava and Tuff where the result shows no difference of mean between RMR Andesite Lava and RMR Tuff Value. Therefore, the tectonic processes that occur in the Honor Andesite Lava Unit of Honje Formation with the preceding position are formed, and the older age at the end of the Miocene age that is blocked by the field of unconformity experienced Continuity on Cipacar Formation Tuff Unit with the upper position that is formed after Honje Formation and younger age in Pleistocene. The continuation of the tectonic process proves the existence of active tectonic activity better known as Neo-tectonic.

Gold mineralization in the Neo-Tectonic Region of Honje Formation and Cipacar Formation Dudi Nasrudin Usman; Nana Sulaksana; Febri Hirnawan; Iyan Haryanto
Journal of Geoscience, Engineering, Environment, and Technology Vol. 3 No. 4 (2018): JGEET Vol 03 No 04 : December (2018)
Publisher : UIR PRESS

The gold ore mineralization region is a zone of mineralization which is inseparable from the role of geological structures, one of which is fracture. The Cibaliung and surrounding areas are epithermal gold mineralization zones, in this region there are two main mineralized zones, namely Cibitung Zone and Cikoneng Zone. It has almost the same characteristics where the fractures formed are quite large so that it influences the class of rock mass, but the other side is the presence of many fractures which make it easier for scattered mineralization to fill the fracture so that the formed vein is thick enough. This study aims to analyze the relationship of Rock Mass Rating (RMR) and Rocks Quality Design (RQD) to tectonic movements in the region to prove the neo-tectonic phenomena in the Honje Formation and Cipacar Formation using surface mapping methods. The methods used are rock type mapping, rock structure mapping, mapping and RQD measurements, rock descriptions and rock sample collection. All the data obtained are then verified and validated before processing and statistical tests. Statistical tests are carried out to ensure an analysis with a basis that is recognized by all parties. Both formations above have different ages, which is for the Honje Formation (Andesite Lava) with the final Miocene age and Cipacar Formation (tuff) at the age of Pleistocene. The findings of this study are the two formations measured by RQD and RMR on rock cracks and surrounding conditions; the RMR observation station made around 125 points in the Honje Formation and 117 points in the Cipacar Formation. The R2 value of the RMR value of the Honje Formation and the Cipacar Formation shows a positive relationship of 67%; The biggest RMR value is in Tuff rock. In addition, the relation between RMR Andesite Lava Value and RMR Tuff Value is done with T-Test between Andesite Lava and Tuff where the result shows no difference of mean between RMR Andesite Lava and RMR Tuff Value. Therefore, the tectonic processes that occur in the Honor Andesite Lava Unit of Honje Formation with the preceding position are formed, and the older age at the end of the Miocene age that is blocked by the field of unconformity experienced Continuity on Cipacar Formation Tuff Unit with the upper position that is formed after Honje Formation and younger age in Pleistocene. The continuation of the tectonic process proves the existence of active tectonic activity better known as Neo-tectonic.

Rock Formation Acid Mine Drainage in Epithermal Gold Mineralization, Pandeglang, Banten Province Dudi Nasrudin Usman; Sri Widayati; Sriyanti Sriyanti; Era Setiawan
Journal of Geoscience, Engineering, Environment, and Technology Vol. 4 No. 4 (2019): JGEET Vol 04 No 04: December 2019
Publisher : UIR PRESS

Mine acid water is acidic water and contains iron and sulfate, which is formed under natural conditions when geological strata containing pyrites are exposed to an oxidizing atmosphere or environment. One of the impacts of the mineralization zone where there is a mining process is the potential for the formation of acid mine drainage, especially in the Cibaliung gold mineralization area and its surroundings, Pandeglang Regency, Banten Province. Acid-forming sulfide minerals include pyrite (FeS2), headquarters (FeS2), picoliters (FexSx), calcocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), chalocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), chalocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), galena (PbS) ) and sphalerite (ZnS). Of all these minerals, pyrite is the most dominant sulfide in acid formation. Alkaline mine water (alkaline mine drainage) is mine water that has an acidity level (pH) of 6 or more, containing alkalinity but still containing dissolved metals that can produce acids. The quality of mine water, acid or alkali, depends on the presence or absence of acid mineral content (sulfides) and alkaline materials in the geological strata. Acid water formation tends to be more intensive in mining areas. This can be prevented by avoiding exposure to sulfide-containing materials in the free air. Acid-forming sulfide minerals include pyrite (FeS2), headquarters (FeS2), picoliters (FexSx), calcocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), chalocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), chalocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), galena (PbS) ) and sphalerite (ZnS). Of all these minerals, pyrite is the most dominant sulfide in acid formation. Formation of potential acidic water also occurs in tailings which are residues/processing residues containing sulfide minerals. The formation of acid mine drainage does not always develop in every sulfide-ore mining. In certain types of ore deposits, there are neutralizing agents which prevent the formation of acid mine drainage.

Penerapan Program Aplikasi Surfer di Bidang Pertambangan Sri Widayati; Dudi Nasrudin Usman; Sriyanti Sriyanti
MIMBAR (Jurnal Sosial dan Pembangunan) Volume 26, No. 1, Year 2010
Publisher : Universitas Islam Bandung

SMK Pertambangan of Indramayu is a vocational school dedicated to provide skilled worker for mining purposes. Unfortunately, a previsit to the school has revealed a lack of facilities and computer skill among students and school facilities. This paper examines a training program held by members of Technical Faculty of Unisba to fill the lack of skill. A training program focused on Microsoft Excel Application for topography mapping was conducted. After the program being held, the skill of training participants in acknowledging, comprehending, and applying Microsoft Excel Application for Topography Mapping was increasing 58.33%. But surfer operating skill for topography mapping was still markedly low.

Optimasi Kebutuhan Batubara dalam Pembakaran Batu Gamping Di Desa Cempaka Mekar Sriyanti Sriyanti; Dudi Nasrudin Usman; Rudi Intan
ETHOS (Jurnal Penelitian dan Pengabdian) Vol 7 No.2 (Juni, 2019) Ethos: Jurnal Penelitian dan Pengabdian kepada Masyarakat (Sains & Teknologi
Publisher : Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/ethos.v7i2.4583

Abstract. PT Damwoo Indo has limestone quality requirements (CaCO3 grades) that will be burned with a minimum of CaCO3 grades by 50%. As for the calcium oxide products produced also have standards from consumers, namely the minimum CaO grades that will be accepted by consumers, which is 80%. The average coal calorific value is 6.294,70 kcal / kg. Products produced from the combustion process have several types, namely: a). gaso, b). jogso, c). miso, and d). saso. Products with gaso and jogso quality will be marketed because they have been burned completely, but for the quality of the miso product will be burned again because the product has not been completely burned. Whereas products with saso quality will be waste and disposed of because the product is overburned. Maximum heating temperature to get quicklime products with CaO grades >80% at the lowest 1.1350C and highest at 1.1700C. The maximum heating temperature was achieved using coal with the lowest heating value of 4.804,13 kcal / kg and the highest was 6.197,52 kcal / kg. From the results of the calculation of coal requirements needed in the limestone combustion process, the percentage of coal needs is an average of 12,26%. This means that it takes 12,26% of coal from calcium oxide products (CaO) produced from the combustion process.Abstrak. PT Damwoo Indo memiliki syarat kualitas batugamping (kadar CaCO3) yang akan dibakar yaitu minimal kadar CaCO3 sebesar 50%. Sedangkan untuk produk kapur tohor yang dihasilkan juga memiliki standar dari konsumen yaitu kadar CaO minimal yang akan diterima oleh konsumen yaitu sebesar 80%. Nilai kalor batubara rata-rata adalah sebesar 6.294,70 kkal/kg. Produk yang dihasilkan dari proses pembakaran memiliki beberapa jenis yaitu : a). gaso, b). jogso, c). miso, dan d). saso. Produk dengan kualitas gaso dan jogso akan dipasarkan karena sudah terbakar secara sempurna, namun untuk kualitas produk miso akan dilakukan pembakaran kembali dikarenakan produk belum terbakar sempurna. Sedangkan untuk produk dengan kualitas saso akan menjadi limbah dan dibuang dikarenakan produk tersebut overburned. Suhu pemanasan maksimal untuk mendapatkan produk kapur tohor dengan kadar CaO >80% paling rendah 1.1350C dan paling tinggi 1.1700C. Suhu pemanasan maksimal dicapai menggunakan batubara dengan nilai kalor paling rendah 4.804,13 kkal/kg dan paling tinggi 6.197,52 kkal/kg. Dari hasil perhitungan kebutuhan batubara yang dibutuhkan dalam proses pembakaran batugamping, diperoleh persentase kebutuhan batubara rata-rata sebesar 12,26%. Hal tersebut berarti dibutuhkan 12,26% batubara dari produk kapur tohor (CaO) yang dihasilkan dari proses pembakaran.

Penelitian Potensi Sumber daya Bahan Galian Pasir di Gunung Celak Desa Celak Kecamatan Gunung Halu Suherman Suherman; Dodo Guntoro; Dudi Nasrudin Usman
ETHOS (Jurnal Penelitian dan Pengabdian) Vol 1 No.2 (2003) Ethos: Jurnal Penelitian dan Pengabdian (Sains & Teknologi)
Publisher : Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/ethos.v0i0.1614

this reseach was carried out to obtain a detail information of the existence of sand deposit

Good Mining Practice Sebagai Penopang Pengelolaan Pertambangan Berkelanjutan Dan Berwawasan Lingkungan Dudi Nasrudin Usman
ETHOS (Jurnal Penelitian dan Pengabdian) Vol 5 No.1 (Januari, 2017) Ethos: Jurnal Penelitian dan Pengabdian (Sains & Teknologi)
Publisher : Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/ethos.v0i0.2219

Garut Regency is a district that has enough of the potential mineral resources, such metallic minerals and nonmetals including sand and andesite, one of the areas is Mount Guntur. Many factors encourage to stop mining activity, one of them is environmental factors. Therefore, it needs a relocation to other areas, by consideration of the potential mineral deposits, to fulfill the increasing market demand. The relocation is done as a step that mining activities do not interfere with mountain tourism, natural environmental conditions, and policies related to the environment, safety and occupational health and spatial planning. The field observations result, study geological location dominated by Qhg, Qypu, and QYM. The other geological aspects that must be considered is the distribution pattern of the river. The vegetation conditions results show that the types of vegetation found in many locations namely crops and plantations, shrubs and bamboo. Based on the calculation of immeasurable resources, there is Boulder andesite-basalt amounted to 13,515,740 MT, with an estimated average thickness taken from the surface to the deepest point of 60 meters penetration geolistrik, although in fact the thickness of andesite - basalt is absence of definite size, thereby the concretion Factor has a value of 30%.

MENGGALI KEKUATAN INTERNAL MASYARAKAT MELALUI ENERGI BARU TERBARUKAN KHUSUSNYA LIMBAH TERNAK SAPI DI DESA WANAJAYA, KECAMATAN WANARAJA, KABUPATEN GARUT – PROVINSI JAWA BARAT Sriyanti Sriyanti; Sri Widayati; Linda Pulungan; Dudi Nasrudin Usman
ETHOS (Jurnal Penelitian dan Pengabdian) Vol 4 No.1 (Januari, 2016) Ethos: Jurnal Penelitian dan Pengabdian (Sains & Teknologi)
Publisher : Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/ethos.v0i0.1699

Energi baru terbarukan merupakan suatu pengembangan teknologi dalam rangka pemanfaatan sumberdaya alam ataupun non-alami yang dimanfaatkan untuk menjadi suatu energy baru seperti biogas dan listrik. Tenaga listrik merupakan sumber energi yang sangat penting bagi kehidupan manusia baik untuk kegiatan industri,kegiatan komersial maupun kehidupan sehari-hari masyarakat. Termasuk untuk Desa Wanajaya, sebagai desa yang merupakan penghasil ternak khususnya sapi. Desa ini merupakan pilot project dalam pengembangan biomassa menjadi bio gas, namun karena adanya beberapa kendala maka pilot project tersebut tidak berkelanjutan. Pengolahan kotoran ternak menjadi biogas selain menghasilkan gas metan untuk memasak juga mengurangi pencemaran lingkungan, menghasilkan pupuk organik padat dan pupuk organik cair dan yang lebih penting lagi adalah mengurangi ketergantungan terhadap pemakaian bahan bakar minyak bumi yang tidak bisa diperbaharui. Tujuan kegiatan PKM ini yaitu melakukan tahapan awal di dalam rencana penerapan teknologi tepat guna pemanfaatan kotoran sapi sebagai sumber energi gas dan energi listrik alternatif di Desa Wanajaya, Kec. Wanaraja – Kabupaten Garut. Besarnya produksi kotoran sapi per hari atau per tahunnya menjadi daya tarik dan kekuatan untuk bisa memanfaatkan limbah ternak menjadi biogas dan energi alternatif bagi lingkungan masyarakat local. Selain ketersedian kotoran sapi sebagai modal utama untuk pemanfaatan limbah ternak (kotoran sapi) ada factor-faktor lain yang harus diperhatikan, antara lain ; pakan ternak yang digunakan, pengelolaan limbah ternak, jumlah sapi, jarak lokasi timbunan kotoran dengan rumah dan lain-lain. Mengembangkan dan Meningkatkan kemampuan sumberdaya masyarakat didalam pemanfaatan limbah ternak menajdi berbagai alternatif baik sisi energi, biogas dan lainnya

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