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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Journal of Energy, Material, and Instrumentation Technology
Choerullah, Andy
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Control & Systems Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Other

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Initial Study of Intrusion on The Serambi Nusantara Coast Using Geoelectrical Methods Delianti, Delianti; Choerullah, Andy; Muslim, Anis Aulia
Journal of Energy, Material, and Instrumentation Technology Vol 6 No 2 (2025): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v6i2.293

Abstract

The Serambi Nusantara area, based on geological conditions, has alluvial formations with sand that almost dominates, interspersed with clay rock throughout the location with swamp conditions in most parts of the area. Morphologically, Serambi Nusantara is a coastal area. Most of the population in this area uses groundwater to meet their water needs due to the increasing intensity of use so groundwater is decreasing and there is emptiness in the well cavities, this results in seawater seeping from these cavities and mixing with groundwater which causes water problems in this area, especially the salinity of the water quality. This research was carried out to determine the quality of groundwater using the Induction Polarization (IP) method, in the Serambi Nusantara area where the research stage included geological mapping of the area with results according to the description above, checking water quality data and geoelectric measurements of induced Polarization (IP). In the research results, it was found that the cross-sectional chargeability value at a depth of ± 20 m showed low chargeability (-10 msec), indicating an indication of seawater intrusion in the research area. This value is similar to previous research.
PEMANFAATAN CANGKANG KELAPA SAWIT SEBAGAI BIOBRIKET: ANALISIS POTENSI ENERGI TERBARUKAN Delianti; Choerullah, Andy; utami, Rizka; Fadhilah, Alvi Nur
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01, Maret 2026 Release
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.45540

Abstract

The increasing global energy demand and the depletion of fossil fuel resources have driven the development of environmentally friendly renewable energy sources. Biomass, particularly oil palm shell waste, represents a promising alternative energy source due to its abundant availability in Indonesia. This study aims to analyze the potential utilization of oil palm shells as raw materials for bio-briquettes and to evaluate the factors influencing calorific value as a key parameter of fuel quality. The method employed is a literature review of previous studies on bio-briquette production using oil palm shells with variations in raw material composition, binder content, and carbonization conditions. The results indicate that the calorific value of bio-briquettes ranges from 3816 to 7209 cal/g, with most values meeting the Indonesian National Standard (SNI >5000 cal/g). The main factors affecting calorific value include raw material composition, binder proportion, and carbonization temperature. Lower binder content and optimal carbonization temperature significantly enhance the quality of the bio-briquettes. Therefore, oil palm shells demonstrate strong potential as a renewable energy source in the form of efficient and environmentally friendly bio-briquettes.
Co-Authors Delianti Delianti, Delianti Fadhilah, Alvi Nur Muslim, Anis Aulia Utami, Rizka