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Lubricating oils

A Generalized Model to Predict the Liquid-Liquid Equilibrium in the Systems Furfural+Lubricating Oils

A Generalized Model to Predict the Liquid-Liquid Equilibrium in the Systems Furfural+Lubricating Oils

... equilibrium involved. In previous studies, the possibility to describe such equilibrium by using a reduced number of pseudo-components and the NRTL model has been stated. In this work, a generalized model to describe the ...

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Liquid-Liquid Equilibrium in the Systems Furfural+Light Lubricating Oils using UNIFAC

Liquid-Liquid Equilibrium in the Systems Furfural+Light Lubricating Oils using UNIFAC

... The pseudo-component approach based on distillation curves is widely used to represent the complex composition of petroleum fractions in vapor-liquid equilibrium calculations. The model-molecules approach, however, also ...

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A model to predict physical properties for light lubricating oils and its application to the extraction process by furfural

A model to predict physical properties for light lubricating oils and its application to the extraction process by furfural

... There is a limitation in the application of the model as indicated previously (van Grieken et al., 2005) for the system furfural+HND lubricating oils. Such limitation was also found for the system ...

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Simulation of pilot-plant extraction experiments to reduce the aromatic content from lubricating oils

Simulation of pilot-plant extraction experiments to reduce the aromatic content from lubricating oils

... The design and simulation of solvent extraction processes have been performed mostly by fully empirical methods [5] that require a wide experimental determination. The application of such approach is limited because the ...

12

Application of a generalized model to the estimation of physical properties and description of the aromatic extraction from a highly paraffinic lubricating oil

Application of a generalized model to the estimation of physical properties and description of the aromatic extraction from a highly paraffinic lubricating oil

... mixtures obtained from lubricating oils with medium content of saturates, whereas the estimation of the sulfur content is less accurate (van Grieken et al., 2005; Coto et al., 2006a and Coto et al., 2006b) ...

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Performance of a continuous screw kiln reactor for the thermal and catalytic conversion of polyethylene - lubricating oil base mixtures

Performance of a continuous screw kiln reactor for the thermal and catalytic conversion of polyethylene - lubricating oil base mixtures

... of lubricating oils are carbon-hydrogen based molecules, hence it seems feasible and interesting to explore the joint degradation and processing of both types of ...

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Coprocesamiento de bio-oils : Caracterización y pretratamiento térmico

Coprocesamiento de bio-oils : Caracterización y pretratamiento térmico

... bio- oils es remover el oxígeno como CO 2 y CO e incrementar el contenido de hidrógeno del líquido de manera simultánea, pero desafortunadamente, el oxígeno también es removido como agua, el nitrógeno como NH 3 y ...

7

Milk fatty acid profile from grazing buffaloes fed a blend of soybean and linseed oils

Milk fatty acid profile from grazing buffaloes fed a blend of soybean and linseed oils

... linseed oils at a low (L, 276g/d) and a high (H, 572g/d) doses mixed to the ...2009). Oils were manually mixed to the concentrate and thoroughly consumed during milking time in the ...

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Evaluation of different plant derived oils as wood preservatives against subterranean termite Odontotermes obesus

Evaluation of different plant derived oils as wood preservatives against subterranean termite Odontotermes obesus

... Preservatives and wood treatment processes have extended the strength and resistance of wood against insects and fungi (Hassan et al. 2016, Hassan et al. 2019a, Hassan et al. 2019b). Waterborne, oil-borne and light ...

12

Conjugation between Lysinibacillus sphaericus strains OT4b.31 and CBAM5 in microcosms with oils sludges

Conjugation between Lysinibacillus sphaericus strains OT4b.31 and CBAM5 in microcosms with oils sludges

... Given that, this native strains have been used in bioremediation process and some of these could have the conjugative machinery to exchange essential genes inside a plasmid. This study asses the conjugation between L. ...

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ACEITES DE ORIGEN MARINO; SU IMPORTANCIA EN LA NUTRICIÓN Y EN LA CIENCIA DE ALIMENTOS MARINE OILS; NUTRITIONAL AND FOOD SCIENCE RELEVANCE

ACEITES DE ORIGEN MARINO; SU IMPORTANCIA EN LA NUTRICIÓN Y EN LA CIENCIA DE ALIMENTOS MARINE OILS; NUTRITIONAL AND FOOD SCIENCE RELEVANCE

... Marine oils are today valuable products with widely nutritional and food applications because of their high content of long-chain omega-3 fatty ...marine oils were by-products from the manufacture of fish ...

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Determination of non protein amino acids and betaines in vegetable oils by flow injection triple quadrupole tandem mass spectrometry: a screening method for the detection of adulterations of olive oils

Determination of non protein amino acids and betaines in vegetable oils by flow injection triple quadrupole tandem mass spectrometry: a screening method for the detection of adulterations of olive oils

... In extra virgin olive oils, pyroglutamic acid, glycine betaine and trigonelline.. were determined obtaining much lower amounts than in seeds oils about 18, 55, 40.[r] ...

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Low viscosity engine oils: fuel economy and performance in a real-world fleet test.

Low viscosity engine oils: fuel economy and performance in a real-world fleet test.

... CO2 emissions and fuel consumption reduction in road transportation have become one of the most relevant concerns in automotive industry, led mainly by global warming. A variety of solutions has arisen to overcome this ...

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In vitro anti-Trypanosoma cruzi activity of essential oils of ten medicinal plants

In vitro anti-Trypanosoma cruzi activity of essential oils of ten medicinal plants

... Essential oils of Cymbopogon citratus (lemon verbena) and Aloysia triphylla (lemon verbena) inhibited the growth of ...Essential oils of Aloysia triphylla and Cymbopogon citratus showed anti-Trypanosoma ...

5

Activity of commercial still waters from volatile oils production against wood decay fungi

Activity of commercial still waters from volatile oils production against wood decay fungi

... In recently years, there have been made some studies about antifungal and antibacterial activities of volatile oils in Turkey. Dığrak et al. (2001) examined the antimicrobial properties of some medicinal plants ...

8

Measurement of Complex Dielectric Permittivity in Oils from High-Voltage Transformers Using a Coaxial Probe

Measurement of Complex Dielectric Permittivity in Oils from High-Voltage Transformers Using a Coaxial Probe

... This work presents the results obtained by measuring the complex dielectric permittivity of some oil samples from high-voltage transformers in a frequency range comprised between 100 MHz and 3 GHz. Degradation of these ...

7

European Union legislation overview about used vegetable oils recycling: the spanish and italian case studies

European Union legislation overview about used vegetable oils recycling: the spanish and italian case studies

... vegetable oils fall into the formal category of “Edible Oil and Fats”, which is part of the waste family Municipal Wastes (household waste and similar commercial, industrial, and institutional wastes, including ...

12

Vacuum Tribological Behaviour of Self-Lubricating Quasicrystalline Composite Coatings

Vacuum Tribological Behaviour of Self-Lubricating Quasicrystalline Composite Coatings

... However, under vacuum, for all three loads some coating material was transferred to the pin and formed a self- lubricating transfer film on its surface, as can be seen in Figure 3 (see [r] ...

11

Content of total polar compounds in previously used cooking oils most marketed in Medellin (Colombia)

Content of total polar compounds in previously used cooking oils most marketed in Medellin (Colombia)

... En Medellín existe una alta comercialización de marcas de aceite, que pueden agruparse en cuatro clases: cocina (por lo general son mezclas vegetales), girasol, oliva y canola; siendo[r] ...

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