Improvement of engine emissions with conventional diesel fuel and diesel-biodiesel blends
Abstract
In this report combustion and exhaust emissions with neat diesel fuel and diesel-biodiesel blends have been investigated. In the investigation, firstly biodiesel from non-edible neem oil has been made by esterification. Biodiesel fuel (BDF) is chemically known as mono-alkyl fatty acid ester. It is renewable in nature and is derived from plant oils including vegetable oils. BDF is non-toxic, biodegradable, recycled resource and essentially free from sulfur and carcinogenic benzene. In the second phase of this investigation, experiment has been conducted with neat diesel fuel and diesel-biodiesel blends in a four stroke naturally aspirated (NA) direct injection (DI) diesel engine. Compared with conventional diesel fuel, diesel-biodiesel blends showed lower carbon monoxide (CO), and smoke emissions but higher oxides of nitrogen (NOx) emission. However, compared with the diesel fuel, NOx emission with diesel-biodiesel blends was slightly reduced when EGR was applied.
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The combustion and exhaust emissions of a single cylinder diesel engine, with biodiesel blends, found that NOx emissions were significantly higher than diesel alone.
“The combustion and exhaust emissions of a single cylinder diesel engine, with biodiesel blends, found that NO x emissions were significantly higher than diesel alone [79,80].”
From Investigation of Biofuel as a Potential Renewable Energy Source (2021) · cites this paper as [80]
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- Authors
- Nabi, M. N., Akhter, M. S., & Zaglul Shahadat, M. M.
- Affiliations
- Rajshahi University of Engineering and Technology (BD)
- Corresponding author
- Nabi, Md. Nurun
- ORCID
- Nabi, Md. Nurun
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2006-02
- Volume
- 97
- Issue
- 3
- Pages
- 372-378
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2033117002
- Cited by
- 430
- References
- 10
- Citations by year
- 2026: 4 · 2025: 4 · 2024: 6 · 2023: 11 · 2022: 18 · 2021: 19 · 2020: 24 · 2019: 27 · 2018: 23 · 2017: 18 · 2016: 26 · 2015: 18 · 2014: 36 · 2013: 30 · 2012: 29
- FWCI
- 12.09
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Biodiesel Production and Applications
- Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Advanced Combustion Engine Technologies
- Physical Sciences › Engineering › Automotive Engineering › Engine and Fuel Emissions
- Keywords
- biodiesel blends, neem oil, biodiesel production, esterification, vehicle emissions, NOx emissions, carbon monoxide emissions, smoke emissions, exhaust gas recirculation, direct injection diesel engine
- MeSH terms
- Air Pollutants, Air Pollution, Vehicle Emissions, Environmental Monitoring, Fuel Oils, Glycerides, Plant Oils, Terpenes
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