Thermodynamic selection of effective additives to improve the cloud point of biodiesel fuels

Abe, Masahiro; Hirata, Satoshi; Komatsu, Hiroyuki; Yamagiwa, Kazuaki; Tajima, Hideo

doi:10.1016/j.fuel.2015.12.053

Cited by 31 publications

(12 citation statements)

References 19 publications

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“…Biodiesel, regardless of its sources, has generally higher cloud point in comparison with diesel . The high content of saturated fatty acids in biodiesel may increase the cloud point . Also, the high contents of long chains saturated fatty acids lead to higher cloud points of biodiesel .…”

Section: Biodiesel Propertiesmentioning

confidence: 99%

Trend of biodiesel feedstock and its impact on biodiesel emission characteristics

Kim

Hanifzadeh

Kumar

2017

Env Prog and Sustain Energy

102

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Feedstock for biodiesel production has changed over time and it varies depending on regions. Reports and journal articles on biodiesel feedstock resources over the last decade from 2006 to 2016 were reviewed in this article. The regional trends still maintain as the USA and the EU still predominantly use soybean oil and rapeseed oil, respectively, and palm oil is the major source of biodiesel in Asia. It is expected that the food‐crop based biodiesel will continue to be dominant for the next decade. However, it was found that uses of animal fats and used cooking oil are increasing both in the USA and the EU. Because of the increasing diversity in feedstock inputs to biodiesel, it is necessary to better understand the effects of feedstock characteristics on engine performance and emissions. In this review, we limit the reports on biodiesel emissions to those who used 100% biodiesel combusted in a one‐cylinder, four‐stroke, direct injection engine set up in a laboratory. All the emission results were obtained from the same or similar engine conditions to fairly compare them. CO, CO2, NOx, and PM emissions are compared between the biodiesels derived from soybean oil, rapeseed oil, palm oil, jatropha oil, used cooking oil, animal fats, and algal oil. It was found that more emission studies are needed for algal biodiesel. More in‐depth studies are necessary for PM characteristics including the compositions of trace metals, elemental and organic carbon. © 2017 American Institute of Chemical Engineers Environ Prog, 37: 7–19, 2018

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Section: Biodiesel Propertiesmentioning

confidence: 99%

Trend of biodiesel feedstock and its impact on biodiesel emission characteristics

Kim

Hanifzadeh

Kumar

2017

Env Prog and Sustain Energy

102

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“…Canola and soybean oil experienced promising results due to their inherent low temperature properties. A thermodynamic model was developed in [23] to select additives that would improve CP of biodiesel. Test results showed that molar mass of the additive was critical in improving CP.…”

Section: Contents Lists Available At Sciencedirectmentioning

confidence: 99%

Emission analysis of a modern Tier 4 DI diesel engine fueled by biodiesel-diesel blends with a cold flow improver (Wintron Synergy) at multiple idling conditions

et al. 2016

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“…As an alternative fuel for petrochemical diesel, biodiesel has attracted wide attention from all over the world, and large-scale production has been formed in European and American countries [11]. The economic feasibility analysis of biodiesel [12,13], the selection of raw materials, the optimization of production process, and the research of biodiesel combustion emissions have been reported at home and abroad [14][15][16][17]. However, the solidifying point of biodiesel is generally around 0 • C [11,18].…”

Section: Introductionmentioning

confidence: 99%

Effect of Mixed Commercial Cold Flow Improvers on Flow Properties of Biodiesel from Waste Cooking Oil

Nie

Cao

2020

Processes

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The uniform design method was used to screen the solidifying point depressing effects of 18 traditional diesel cold flow improvers on biodiesel derived from waste cooking oil. The cold flow improvers with good effects were selected for orthogonal optimization. Finally, the mixed cold flow improver (CFI) with the best depressing effect was selected to explore its depressing mechanism for biodiesel. The results show that the typical CFIs such as A132, A146, 10-320, 10-330, A-4, CS-1, AH-BSFH, Haote, T1804D, and HL21 all have a certain solidifying point depressing effect on biodiesel, while other cold flow improvers had no obvious effect. Amongst them, 10-330 (PMA polymer) and AH-BSFH (EVA polymer) had better solidifying point depressing effects over others, both of which reduced the solidifying point (SP) of biodiesel by 4 °C and the cold filter plugging point (CFPP) by 2 °C and 3 °C, respectively. From the orthogonal mixing experiment, it can be seen that the combination of 10-330 and AH-BSFH at a mass ratio of 1:8 had the best depressing effect, reducing the solidifying point and cold filter plugging point of biodiesel by 5 °C and 3 °C, respectively. Orthogonal analysis showed that when used in combination, AH-BSFH had a greater impact on the solidifying point, while the ratio of the combination had a greater impact on the cold filter plugging point.

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Thermodynamic selection of effective additives to improve the cloud point of biodiesel fuels

Cited by 31 publications

References 19 publications

Trend of biodiesel feedstock and its impact on biodiesel emission characteristics

Trend of biodiesel feedstock and its impact on biodiesel emission characteristics

Emission analysis of a modern Tier 4 DI diesel engine fueled by biodiesel-diesel blends with a cold flow improver (Wintron Synergy) at multiple idling conditions

Effect of Mixed Commercial Cold Flow Improvers on Flow Properties of Biodiesel from Waste Cooking Oil

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