Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation
A major problem that limits the use of biodiesel is maintaining the fuel at the specified standards for a longer period. Biodiesel oxidizes much more easily than diesel, and the final oxidation products change its physical and chemical properties and cause the formation of insoluble gums that can bl...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-11-01
|
| Series: | Molecules |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1420-3049/28/23/7765 |
| _version_ | 1797399826821808128 |
|---|---|
| author | Elena David Janez Kopac |
| author_facet | Elena David Janez Kopac |
| author_sort | Elena David |
| collection | DOAJ |
| description | A major problem that limits the use of biodiesel is maintaining the fuel at the specified standards for a longer period. Biodiesel oxidizes much more easily than diesel, and the final oxidation products change its physical and chemical properties and cause the formation of insoluble gums that can block fuel filters and the supply pipes. This instability of biodiesel is a major problem and has not yet been satisfactorily resolved. Recently, the use of biodiesel has increased quite a lot, but the problem related to oxidation could become a significant impediment. A promising and cost-effective approach to improving biodiesel’s stability is to add appropriate antioxidants. Antioxidants work better or less effectively in different biodiesel fuels, and there is no one-size-fits-all inhibitor for every type of biodiesel fuel. To establish a suitable antioxidant for a certain type of biodiesel, it is necessary to know the chemistry of the antioxidants and factors that influence their effectiveness against biodiesel oxidation. Most studies on the use of antioxidants to improve the oxidative stability of biodiesel have been conducted independently. This study presents an analysis of these studies and mentions factors that must be taken into account for the choice of antioxidants so that the storage stability of biodiesel fuels can be improved. |
| first_indexed | 2024-03-09T01:45:45Z |
| format | Article |
| id | doaj.art-2fd818737d644395868aa9d359afc34c |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-09T01:45:45Z |
| publishDate | 2023-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-2fd818737d644395868aa9d359afc34c2023-12-08T15:22:16ZengMDPI AGMolecules1420-30492023-11-012823776510.3390/molecules28237765Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through OxidationElena David0Janez Kopac1National Institute for Research and Development for Cryogenic and Isotopic Technologies, Street Uzinei No. 4, P.O. Râureni, P.O. Box 7, 240050 Ramnicu Valcea, RomaniaFaculty of Mechanical Engineering, University of Ljubljana, Askerceva 6, SI-1000 Ljubljana, SloveniaA major problem that limits the use of biodiesel is maintaining the fuel at the specified standards for a longer period. Biodiesel oxidizes much more easily than diesel, and the final oxidation products change its physical and chemical properties and cause the formation of insoluble gums that can block fuel filters and the supply pipes. This instability of biodiesel is a major problem and has not yet been satisfactorily resolved. Recently, the use of biodiesel has increased quite a lot, but the problem related to oxidation could become a significant impediment. A promising and cost-effective approach to improving biodiesel’s stability is to add appropriate antioxidants. Antioxidants work better or less effectively in different biodiesel fuels, and there is no one-size-fits-all inhibitor for every type of biodiesel fuel. To establish a suitable antioxidant for a certain type of biodiesel, it is necessary to know the chemistry of the antioxidants and factors that influence their effectiveness against biodiesel oxidation. Most studies on the use of antioxidants to improve the oxidative stability of biodiesel have been conducted independently. This study presents an analysis of these studies and mentions factors that must be taken into account for the choice of antioxidants so that the storage stability of biodiesel fuels can be improved.https://www.mdpi.com/1420-3049/28/23/7765biodiesel stabilityoxidationantioxidantsantioxidant mechanismcold flow |
| spellingShingle | Elena David Janez Kopac Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation Molecules biodiesel stability oxidation antioxidants antioxidant mechanism cold flow |
| title | Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation |
| title_full | Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation |
| title_fullStr | Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation |
| title_full_unstemmed | Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation |
| title_short | Survey on Antioxidants Used as Additives to Improve Biodiesel’s Stability to Degradation through Oxidation |
| title_sort | survey on antioxidants used as additives to improve biodiesel s stability to degradation through oxidation |
| topic | biodiesel stability oxidation antioxidants antioxidant mechanism cold flow |
| url | https://www.mdpi.com/1420-3049/28/23/7765 |
| work_keys_str_mv | AT elenadavid surveyonantioxidantsusedasadditivestoimprovebiodieselsstabilitytodegradationthroughoxidation AT janezkopac surveyonantioxidantsusedasadditivestoimprovebiodieselsstabilitytodegradationthroughoxidation |