Quantification of Diesel Additives in Co-Processed Fuels via NIR Spectroscopy and Chemometric Modeling

Energy & Fuels, Год журнала: 2025, Номер 39(9), С. 4421 - 4433

Опубликована: Фев. 20, 2025

The growing global population and increasing energy demands are placing immense pressure on the sustainability of fossil fuels due to resource depletion environmental concerns. Adopting a circular economy approach, which repurposes waste materials into alternative fuels, presents promising solution for reducing both fuel dependency generation. Diesel additives play critical role in enhancing quality performance; however, accurately monitoring their concentrations remains challenge, often leading overuse elevated costs. This study utilizes near-infrared (NIR) spectroscopy coupled with partial least-squares (PLS) modeling enable real-time additive concentrations, optimizing application, We tested waste-derived oils─such as tire oil, plastic cooking oil─alongside conventional diesel, incorporating three key additives: cold-flow improver (CFI), conductivity-lubricating (CLI), cetane number (CNI). developed predictive models demonstrated calibration coefficients exceeding 0.98 RPD values 4.5 CFI, 2.7 CLI, 4.4 CNI. Repeatability tests produced RSD 3.9% 6.9% 7.2% Comprehensive validation, including external testing statistical evaluations (RMSEC, RMSEP, RMSECV), confirmed models' strong accuracy reliability. These findings highlight significant potential PLS precise determination diesel across range matrices, making them highly applicable industrial use further research.

Язык: Английский

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Optimizing CI Engine Performance with Waste Oil Biodiesel, Plastic Pyrolysis Oil, and Diesel Blends Using Python programming

Опубликована: Апрель 29, 2025

This study investigates the performance, combustion, and emission characteristics of ternary fuel blends composed diesel, waste cooking oil biodiesel, pyrolysis in a direct injection compression ignition (CI) engine. Experimental tests were conducted using various under different pressures (180, 210, 240 bar) engine loads. Performance metrics such as brake thermal efficiency (BTE), volumetric efficiency, exhaust gas temperature (EGT) analyzed, alongside combustion parameters like heat release rate (HRR) peak in-cylinder pressure. Emissions NOx, carbon monoxide (CO), smoke opacity, unburned hydrocarbons (UHC) also evaluated. The results reveal that an pressure bar optimizes improving BTE while reducing consumption for with 70% 10% 20% sample 2 biodiesel (P10B220D70), 15% (P15B215D70), 5% 25% (P5B225D70). Combustion analysis shows biodiesel-pyrolysis achieve faster pre-mixed compared to highest at bar. However, extremely high or low negatively affect efficiency. Emission indicates NOx emissions vary by blend type, certain 1 (P5B125D70 (P5B225D70) producing lower values due reduced premixed combustion. CO decrease higher pressure, lighter-viscosity exhibit opacity. UHC levels remain relatively stable across Correlation identifies most influential parameter affecting performance emissions, type load having minimal impact. These findings underscore potential sustainable alternatives engines when optimized appropriate pressures.

Язык: Английский

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Status, developments, and sustainability of biowaste feedstock: A review of current progress

Renewable and Sustainable Energy Reviews, Год журнала: 2025, Номер 217, С. 115769 - 115769

Опубликована: Апрель 25, 2025

Язык: Английский

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High Proportion of Biofuel Replacement for Conventional Diesel Using Safflower Biodiesel and Diethyl Ether Blends in a Cng-Powered Rcci Operation of a Diesel Engine

Опубликована: Янв. 1, 2024

Язык: Английский

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