Exhaust emissions from diesel engines fueled by different blends with the addition of nanomodifiers and hydrotreated vegetable oil HVO

Dobrzyńska, Elżbieta; Szewczyńska, Małgorzata; Szczotka, Andrzej; Puchałka, Bartosz; Woodburn, Joseph

doi:10.1016/j.envpol.2019.113772

Cited by 54 publications

(25 citation statements)

References 32 publications

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“…The cloud point is less than À40°C for renewable diesel, which provides a high mixing order throughout the year, except in winter. Density also remains almost constant at a low cloud point [82].…”

Section: Properties and Standards Of Hydrogenated Vegetable Oilmentioning

confidence: 88%

Biodiesel and green diesel generation: an overview

Vignesh¹,

Kumar

Ganesh

et al. 2021

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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First, second, third, and fourth-generation biofuels are continuously evolving as a promising substitute to petrodiesel catalyzed by energy depletion, economic and environmental considerations. Bio-diesel can be synthesized from various biomass sources, which are commonly divided into FAME and renewable biodiesel. FAME biodiesel is generally produced by the transesterification of vegetable oils and fats while renewable diesel is produced by hydro-deoxygenation of vegetable and waste oils and fats. The different generation, processing technologies and standards for FAME and renewable biodiesel are reviewed. Finally, the life cycle analysis and production cost of conventional and renewable biodiesel are described.

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Section: Properties and Standards Of Hydrogenated Vegetable Oilmentioning

confidence: 88%

Biodiesel and green diesel generation: an overview

Vignesh¹,

Kumar

Ganesh

et al. 2021

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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show abstract

“…They indeed may easily be hidden/overwhelmed when conditions become more permissive due to the introduction of a more competitive species [57]. Diesel fuels produce less stringent conditions due to the lower content in volatile aromatics (prevalence of polycyclic aromatic hydrocarbon, PAH) and a variable percentage of hydrotreated vegetal oils (HVO) [58,59]. Fuel dispensers, unlike car fuel tanks, are exposed to the open air, a condition favoring the evaporation of the volatile fraction along with a continuous load with high sporulating fast-growing airborne fungi.…”

Section: Discussionmentioning

confidence: 99%

Hydrocarbon-Contaminated Sites: Is There Something More Than Exophiala xenobiotica? New Insights into Black Fungal Diversity Using the Long Cold Incubation Method

Isola

Scano

Orrù

et al. 2021

JoF

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Human-made hydrocarbon-rich environments are important reservoirs of microorganisms with specific degrading abilities and pathogenic potential. In particular, black fungi are of great interest, but their presence in the environment is frequently underestimated because they are difficult to isolate. In the frame of a biodiversity study from fuel-contaminated sites involving 30 diesel car tanks and 112 fuel pump dispensers (52 diesel and 60 gasoline, respectively), a total of 181 black fungal strains were isolated. The long cold incubation (LCI) of water-suspended samples, followed by plating on Dichloran Rose Bengal Chloramphenicol Agar (DRBC), gave isolation yields up to six times (6.6) higher than those of direct plating on DRBC, and those of enrichment with a phenolic mix. The sequencing of ITS and LSU-rDNA confirmed the dominance of potentially pathogenic fungi from the family Herpotrichiellaceae and Exophiala xenobiotica. Moreover, other opportunistic species were found, including E. opportunistica, E. oligosperma, E. phaeomuriformis, and Rhinocladiella similis. The recurrent presence of E. crusticola, Knufia epidermidis, Aureobasidium melanogenum, Cladosporium spp., and Scolecobasidium spp. was also recorded. Interestingly, 12% of total isolates, corresponding to 50% of taxa found (16/32), represent new species. All the novel taxa in this study were isolated by LCI. These findings suggest that black fungal diversity in hydrocarbon-rich niches remains largely unexplored and that LCI can be an efficient tool for further investigations.

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“… 100 , 110 The significance of ultrafine particle emission is under growing suspicion in its relationship to inflammatory, pulmonary, and cardiovascular effects. 111 , 112 , 113 , 114 Ultrafine particles (below 100 nm) can penetrate the blood and biological membranes, and as a result can be translocated to different human internal organs, causing negative health effects. 115 , 116 , 117 , 118 The toxic effect of PM is believed to be associated with particles of aerodynamic diameter less than 10 μm.…”

Section: Emissions From 3d Printing Devicesmentioning

confidence: 99%

State of the art in additive manufacturing and its possible chemical and particle hazards—review

et al. 2021

Self Cite

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Additive manufacturing, enabling rapid prototyping and so‐called on‐demand production, has become a common method of creating parts or whole devices. On a 3D printer, real objects are produced layer by layer, thus creating extraordinary possibilities as to the number of applications for this type of devices. The opportunities offered by this technique seem to be pushing new boundaries when it comes to both the use of 3D printing in practice and new materials from which the 3D objects can be printed. However, the question arises whether, at the same time, this solution is safe enough to be used without limitations, wherever and by everyone. According to the scientific reports, three‐dimensional printing can pose a threat to the user, not only in terms of physical or mechanical hazards, but also through the potential emissions of chemical substances and fine particles. Thus, the presented publication collects information on the additive manufacturing, different techniques, and ways of printing with application of diverse raw materials. It presents an overview of the last 5 years’ publications focusing on 3D printing, especially regarding the potential chemical and particle emission resulting from the use of such printers in both the working environment and private spaces.

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Exhaust emissions from diesel engines fueled by different blends with the addition of nanomodifiers and hydrotreated vegetable oil HVO

Cited by 54 publications

References 32 publications

Biodiesel and green diesel generation: an overview

Biodiesel and green diesel generation: an overview

Hydrocarbon-Contaminated Sites: Is There Something More Than Exophiala xenobiotica? New Insights into Black Fungal Diversity Using the Long Cold Incubation Method

State of the art in additive manufacturing and its possible chemical and particle hazards—review

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