308 hasil
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Scopus
ISSN 2673-3994 · MDPI AG · 308 artikel di indeks
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Artikel Jurnal Teks lengkap
Combustion Potential of Raw and Torrefied Zoo Animals Faeces
Raw and torrefied faeces from four zoo animals (giraffe, deer, camel, reindeer) and a sample of zebra manure pellets were studied to assess their energy potential using combustion calorimetry and thermoanalytical (TG/DTA) methods. Marked differences (ca 12%) in the torrefaction yield of the faeces…
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Artikel Jurnal Teks lengkap
FAME Productivity and Biodiesel Potential Based on Fatty Acid Composition of Chlorella vulgaris and Scenedesmus obliquus Cultivated in Urban Wastewater Under Mixotrophic and Nitrogen-Limited Conditions
Microalgae-based wastewater treatment represents a sustainable approach for simultaneous nutrient removal and biodiesel feedstock production. This study evaluated the growth, total organic carbon (TOC) removal, FAME productivity, fatty acid composition, and predicted biodiesel properties of…
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Artikel Jurnal Teks lengkap
Pretreatment of Corncob with Typical Anaerobic Digestion-Derived Organic Acids for Improving Enzymatic Saccharification and Bioethanol Production
The transition to renewable energy is essential for mitigating greenhouse gas emissions and advancing carbon neutrality. Lignocellulosic biomass offers an abundant and sustainable feedstock for biofuel production, but its inherent recalcitrance demands effective pretreatment to enable enzymatic…
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Artikel Jurnal Teks lengkap
Sustainability and Techno-Economic Analysis of a Power-to-Hydrogen Process Employing Low and High-Temperature Water Electrolysis
An integrated power-to-low-carbon hydrogen process is proposed in which a natural gas–fired Allam–Fetvedt (AF) supercritical carbon dioxide (CO2) cycle supplies electricity and process water to low- and high-temperature electrolyzers based on proton exchange membrane (PEM), anion exchange membrane…
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Artikel Jurnal Teks lengkap
Impact of n-Octanol Addition on Combustion Performance and Emissions in UAV Power Systems
The present study experimentally investigates the influence of n-octanol addition to Jet-A fuel on the combustion performance and emission behavior of a micro-turboprop-based hybrid UAV (“Unmanned Aerial Vehicle”) power system. The experiments were conducted on a dedicated hybrid propulsion test…
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Artikel Jurnal Teks lengkap
Evolution of Crude Oil Properties Under Supercritical CO2 and Its Implications for Field-Scale Enhanced Recovery in the Mabei Shale Oil Reservoir
Supercritical CO2 injection can mitigate depletion-induced deterioration of shale oil, but the relationship between laboratory-scale fluid-property changes and field-scale recovery remains insufficiently understood. This study integrates time-lapse produced-oil characterization, high-pressure PVT…
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Artikel Jurnal Teks lengkap
Comparative Thermochemical and Combustion Analysis of Biomass Pellets Derived from Woody and Agricultural Residues
This study presents a comparative thermochemical and combustion analysis of biomass pellets derived from softwood, hardwood, sunflower husks, wheat straw, and lavender residues. This investigation was performed using thermogravimetric analysis (TG), derivative thermogravimetric analysis (DTG), and…
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Artikel Jurnal Teks lengkap
Enhancing Elemental Mercury Removal in Coal Combustion Flue-Gas over V2O5/TiO2-Based Catalysts via Coupled Oxidation and Sulfur-Assisted Fixation
Elemental mercury (Hg0) removal in coal combustion flue-gas over commercial V-based SCR catalysts is still limited by insufficient low-temperature activity and the complex interference of gas components. In this work, V2O5/TiO2, V2O5−MoO3/TiO2, and V2O5−MoS2/TiO2 catalysts were comparatively…
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Artikel Jurnal Teks lengkap
Integrated Assessment of Battery Degradation and Advanced Characterizations in Renewable–Hydrogen Hybrid Architectures
Lithium-ion batteries are widely used in electric mobility, renewable energy integration, portable electronics, and renewable–hydrogen hybrid energy systems. Despite significant advances in battery materials and design, long-term degradation remains a major challenge that affects system…
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Artikel Jurnal Teks lengkap
Child-Well Stimulation Intensity in Unconventional Reservoirs: Impacts on Well Performance, Economics, and Environmental Considerations
Child-well stimulation design has become a central challenge in mature unconventional reservoirs, where infill wells are commonly completed in reservoirs that have already been modified by parent-well production. Prior depletion changes pore pressure, stress distribution, and fracture-propagation…
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Artikel Jurnal Teks lengkap
Operational Optimization of Mercury Control in a Coal-Fired SCR-WFGD System Through Front-End Speciation Steering and Back-End Re-Emission Suppression
Coal-fired power plants equipped with selective catalytic reduction (SCR) and wet flue-gas desulfurization (WFGD) can co-control mercury, but performance is limited by incomplete upstream Hg0 oxidation and downstream re-emission. This study evaluated a 660 MW unit using gas-, liquid-, and…
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Artikel Jurnal Teks lengkap
Particulate Matter Sampling Performance of High-Pressure Natural Gas Pipelines Based on Pressure Gauge Ports: A Study of a Safe and Practical Alternative Sampling Approach
Addressing the safety limitations and operational challenges associated with online particulate matter sampling in high-pressure natural gas pipelines, this paper proposes and systematically investigates a non-intrusive, safe sampling alternative utilizing existing pressure gauge tapping ports…
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Artikel Jurnal Teks lengkap
Effects of Methane Addition on Combustion Flow Field and Combustion Characteristics of Ethanol
This study employs numerical simulations to systematically investigate the combustion characteristics of methane/ethanol blended fuel–air mixtures under non-premixed turbulent conditions. The effects of the methane blending ratio on the flow-field structure, flame morphology, NO emissions, and…
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Artikel Jurnal Teks lengkap
Evaluation of Organic Octane Improvers for Gasoline Fuels: Performance and Environmental Considerations
Improving gasoline octane quality is essential for modern spark-ignition engines, as increased knock resistance supports better efficiency, optimized combustion, and reduced fuel consumption. Environmental concerns have increased the demand for cleaner organic alternatives instead of conventional…
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Artikel Jurnal Teks lengkap
Use of Hydrothermal Treatment for Anaerobic Digestion of Dairy Manure: Process, Perspectives, and Challenges
Effective management of dairy manure is crucial for reducing environmental and public health risks. This waste material can serve as a viable source of bioenergy via anaerobic digestion. The recalcitrance of lignocellulosic fiber in manure presents challenges for its efficient conversion to…
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Artikel Jurnal Teks lengkap
Spectral and Physicochemical Properties of Biodiesel Developed from Acacia sieberiana: A Potential Novel Renewable Fuel
In this work, the use of biodiesel derived from Acacia sieberiana (commonly referred to as “Bagaruwa”) seed oil is presented as a potential renewable fuel for compression ignition engines. The biodiesel was produced using transesterification and characterized using Fourier transform infrared…
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Artikel Jurnal Teks lengkap
SI and RCCI Quasi-Dimensional Combustion Modeling of Ammonia-Fueled Engines with Fuel-NOx Formation
The increasing interest in carbon-free fuels has positioned ammonia as a promising energy carrier for Internal Combustion Engines (ICEs), particularly in hard-to-abate sectors such as Heavy-Duty (HD) transport and maritime applications. However, its low reactivity, narrow flammability limits, and…
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Artikel Jurnal Teks lengkap
Hypergolic Ignition with High-Test Peroxide: Progress in Catalytic, Reactive, and Ionic Liquid Fuels
Traditional hypergolic propellants, such as hydrazine derivatives combined with nitrogen tetroxide, present severe toxicity, operational, and environmental hazards. High-test peroxide has emerged as a leading green oxidiser replacement due to its low volatility, high density, and benign…
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Artikel Jurnal Teks lengkap
Catalytic Conversion of Invasive Lantana Biomass to Renewable Fuels and Functional Biochar: Advances in Integrated Thermochemical Biorefinery System for Circular Bioeconomy
The Lantana genus, especially L. camara, has emerged as a potential yet underutilized lignocellulosic feedstock for various catalytic thermochemical conversion products and advanced carbon materials. This study reviews recent developments in the valorization of Lantana biomass to generate biofuels…
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Artikel Jurnal Teks lengkap
Sugarcane Filter Cake: A Bibliometric Review of Traditional Uses and Its Potential as a Feedstock for Biorefinery and Biofuel Production
Filter cake is a nutrient-rich solid byproduct generated during sugarcane juice clarification, representing both a challenge and an opportunity for the sugar–energy industry. This study presents a systematic bibliometric analysis of global research on filter cake valorization, with a particular…