Fueling the future; plant genetic engineering for sustainable biodiesel production

Jouzani, Gholamreza Salehi; Sharafi, Reza; Soheilivand, Saeed

doi:10.18331/brj2018.5.3.3

Cited by 27 publications

(6 citation statements)

References 81 publications

(109 reference statements)

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“…This includes genetic sequencing, omics technologies, and core genetic and metabolic engineering approaches. 22 In 2008, Monsanto and Dupont introduced novel non-GMO soybean cultivars obtained through a classical breeding approach with reduced linolenic acid content (<1%), termed Asoyia. 23 Similar PUFA-reduced soybean crops could be obtained targeting directly the crop genome.…”

Section: The Effect Of Molecular Composition On Fuel Oxidationmentioning

confidence: 99%

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Oxidative stability of biodiesel: recent insights

Longanesi

Pereira

Johnston

et al. 2021

Biofuels Bioprod Bioref

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Biodiesel, the fatty acid methyl ester (FAME) of vegetable and animal oil, is now used extensively worldwide, with blends of up to 7% common. The blending level is still somewhat limited due to a perceived susceptibility of these fuels to oxidation. Oxidation follows a number of pathways, with the primary mechanism being auto-oxidation, a radical process that results in the production of a range of oxygenated components. These eventually increase the viscosity of the fuel and form deposits detrimental to operation. Further fuel properties are also heavily reliant on the level of oxidation. As such, one of the main challenges in the use of biodiesel is its long-term instability when stored. Typically synthetic antioxidants have been used to address this issue; however, these systems can also add to the formation of deposits, as well as hazardous emissions, on combustion. Recently, research has focused on novel antioxidant development mainly from plant extracts, although there are a number of other routes for improved performance, including the commercialization of hydrogenated vegetable oil (HVO), a prominent alternative to FAME-based biodiesel due to its higher stability, straight chain paraffin composition, and better cold flow properties. In this review, the factors that promote this oxidation are presented, including molecular composition, metal contamination, temperature and light exposure, as well as the latest findings on the inclusion of HVO, the current state-of-the-art analytical techniques employed, and the impact of higher pressure injection systems on vehicles that demonstrate deposit formation is not solely due to the unsaturated biodiesel components.

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Section: The Effect Of Molecular Composition On Fuel Oxidationmentioning

confidence: 99%

“…A number of attempts have been made to increase oxidative stability by altering the feedstock. This includes genetic sequencing, omics technologies, and core genetic and metabolic engineering approaches 22 …”

Section: The Effect Of Molecular Composition On Fuel Oxidationmentioning

confidence: 99%

Oxidative stability of biodiesel: recent insights

Longanesi

Pereira

Johnston

et al. 2021

Biofuels Bioprod Bioref

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“…With social and industrial development, the worldwide energy demand is increasing dramatically, while global environmental challenges caused by addiction to fossil fuels and the resulting increase in greenhouse gas (GHG) emissions, such as global warming and climate change, are intensifying (Salehi Jouzani et al, 2018). In light of that, transitioning from fossil fuels to renewable and sustainable alternative energy carriers is crucial (Imran et al, 2018;Litinas et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Intensifying biofuel production using a novel bionic flow-induced peristaltic reactor: biodiesel production as a case study

et al. 2022

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Intensification of biofuel production processes could play a critical role in boosting the economic and environmental features of the whole process. A novel bionic flow-induced peristaltic reactor with a high conversion rate is constructed to realize efficient biofuel production from high-concentration high-viscosity fluids. It is experimentally verified through biodiesel production from soybean oil. Experimental results show that the conversion efficiency is up to 89.9% at 10 s in the peristaltic reactor, which is 38.4% higher than that in the rigid tube reactor. Furthermore, a three-dimensional peristaltic model is conducted to understand the mechanism of heat and mass transfer enhancement. The simulation results show that an increase in peristaltic amplitude strengthens the mixing of the bionic peristaltic reactor by 92.5-100.8%. The temperature distribution in the bionic peristaltic reactor is more uniform than in the traditional rigid tube reactor. The results demonstrate that the conversion rate of soybean oil in the bionic flow-induced peristaltic reactor is 528.82% min-1, which is 17-60 times higher than other intensified reactors operating in either continuous or batch modes.

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“…Moreover, straight vegetable oils` heat content and cetane number are insignificantly lower than those of traditional diesel fuel and they are therefore suitable for use in unmodified diesel engines (Manchanda et al, 2018). However, higher molecular mass resulting in higher density, and higher molecular-linking force leading to higher surface tension and kinematic viscosity compared to traditional diesel fuel are considered as the main cause of low volatilization, poor atomization, heterogeneous mixture, and incomplete combustion, which could adversly affect engine performance and the formation of deposits on the surface of components of the combustion chamber (Salehi Jouzani et al, 2018;Pham et al, 2018). Observations of the deposit formation on the injector (noses, needle, and holes), the combustion chamber wall, cylinder head, and the piston (crown and groove) under certain operating conditions of diesel engines fueled with vegetable oils were reported in numerous studies (Satyanarayana and Muraleedharan, 2012;Hoang and Pham, 2018b).…”

Section: Introductionmentioning

confidence: 99%

Trilateral correlation of spray characteristics, combustion parameters, and deposit formation in the injector hole of a diesel engine running on preheated Jatropha oil and fossil diesel fuel

Hoang

2019

Biofuel Res. J.

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HIGHLIGHTSPreheated and unpreheated straight Jatropha oil, and fossil diesel fuel were experimentally compared. Spray characteristics, i.e., cone angle and penetration length were investigated. Thermal efficiency and emission parameters were tested at 0 h and after 300 h of engine operation. Trilateral correlation of spray characteristics, combustion parameters, and deposit accumulation in injector orifices was analyzed. Unpreheated straight Jatropha oil cannot be recommended for long term use in diesel engines.

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Fueling the future; plant genetic engineering for sustainable biodiesel production

Cited by 27 publications

References 81 publications

Oxidative stability of biodiesel: recent insights

Oxidative stability of biodiesel: recent insights

Intensifying biofuel production using a novel bionic flow-induced peristaltic reactor: biodiesel production as a case study

Trilateral correlation of spray characteristics, combustion parameters, and deposit formation in the injector hole of a diesel engine running on preheated Jatropha oil and fossil diesel fuel

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