期刊
POLYMERS
卷 13, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/polym13101580
关键词
biodiesel; cloud point; cold-flow property; depressants; dispersants; esters; fatty acids; pour point
资金
- Russian Science Foundation [21-73-30010]
- Russian Science Foundation [21-73-30010] Funding Source: Russian Science Foundation
Biodiesel faces limitations due to poor cold-flow properties, but additives show promise in enhancing its performance.
In recent decades, biodiesel has been explored as a prospective comparable fuel to petroleum diesel for compression ignition engines. However, several drawbacks have limited the wide application of biodiesel as motor fuel, and the poor cold-flow property is one of the major problems. This problem is compounded by the diversity of the biodiesel characteristics arising from a variety of chemical compositions of biodiesel from different sources. Among the methods investigated to improve the cold-flow properties of biodiesel, the use of additives seems highly promising. Despite the significant number of publications, the potential of this method is still far from having been completely discovered or exploited. In the present review, we briefly describe the sources, chemical composition, and physico-chemical characteristics of the main types of biodiesel. Next, we discuss the examples of the use of different polymer additives for the improvement of the cold-flow characteristics of biodiesel and biodiesel/petroleum diesel blends. Additionally, we tried to assess the prospects of the polymer additives to enhance biodiesel performance. The main conclusion of this survey is that innovative and high-efficiency cold-flow improvers for biodiesel should be further developed.
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