Alteration of lubricity of Jatropha oil used as bio-lubricant for engines due to thermal ageing

Farfán-Cabrera, Leonardo Israel; Gallardo-Hernández, Ezequiel Alberto; Gómez–Guarneros, Mario Alberto; Perez‐González, José; Godínez-Salcedo, J.G.

doi:10.1016/j.renene.2019.10.116

Cited by 32 publications

(16 citation statements)

References 26 publications

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“…JO was the vegetable oil base selected to produce the emulsions. The characterization of the fatty acids profile of JO has been reported elsewhere [ 29 , 30 ]. It contains about 32.7% of arachidonic acid, 26.6% of linoleic acid, 25.2% of behenic acid, 11.2% of oleic acid and 4.2% of lauric acid.…”

Section: Methodsmentioning

confidence: 99%

“…It contains about 32.7% of arachidonic acid, 26.6% of linoleic acid, 25.2% of behenic acid, 11.2% of oleic acid and 4.2% of lauric acid. This non-edible oil is currently considered one of the most promising alternatives as a biolubricant for a wide range of applications due to several agronomical advantages [ 31 ] and suitable tribological properties, as demonstrated in previous works [ 29 , 30 ]. The dispersed phase of JO was dripped to the continuous phase (PDFC solutions) and homogenized at 9500 rpm for 7 min and 13,500 rpm for 3 min with an Ultra Turrax T-25 homogenizer (Janke and Kunkel GmbH and Co., Staufen, Germany).…”

Section: Methodsmentioning

confidence: 99%

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Partially Deacetylated and Fibrillated Shrimp Waste-Derived Chitin as Biopolymer Emulsifier for Green Cutting Fluids—Towards a Cleaner Production

et al. 2022

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Up to date, most metalworking fluids (MWFs) are emulsions made of petroleum-derived oil bases and sodium petroleum sulphonate emulsifiers. They are not readily biodegradable, and their waste is hazardous for users and the environment. Therefore, green MWFs are required for achieving cleaner production processes. Recently, various MWFs have been developed using vegetable oil bases to meet biodegradability to some extent. However, the emulsifier has been scarcely replaced by a green product. This research aims to produce and evaluate Pickering emulsions made of Jatropha oil (JO) and partially deacetylated and fibrillated chitin (PDFC) as emulsifiers at different concentrations. JO is a non-edible biodegradable oil with remarkable lubricity properties, while PDFC is produced by extracting chitin from waste heads and shells of the shrimp species Litopenaeus vannameii, followed by partial deacetylation and further fibrillation, which improves wettability and stabilization. The prepared emulsions were characterized in terms of creaming index and size of emulsion droplets and evaluated as MWFs in actual turning operations of AISI 1018 steel bars via minimum quantity lubrication (MQL) technique. The findings suggest PDFC as a potential eco-friendly emulsifier to form green MWFs with acceptable stability generating low cutting forces and significant workpiece finishing and chips quality.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Partially Deacetylated and Fibrillated Shrimp Waste-Derived Chitin as Biopolymer Emulsifier for Green Cutting Fluids—Towards a Cleaner Production

et al. 2022

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“…It was evident that the lubrication performance of the mineral oils was mainly increased by mixing with the clean vegetable oils which were typically operating in the boundary lubrication regime applications. Generally, vegetable oil contains long chains of carbon atoms connected with open ended fatty acid chains which acts as the good friction modifier additives [7]. Most commonly used vegetable oils are derived from coconut, rapeseed, jatropha, sunflower, rice bran, rubber seeds, palm, canola, soybean, castor, and many other being tested for the potential use of lubricants [8].…”

Section: Introductionmentioning

confidence: 99%

Investigations on the tribological behaviour, toxicity, and biodegradability of kapok oil bio-lubricant blended with (SAE20W40) mineral oil

Shankar

Manikandan²,

Karupannasamy³

et al. 2021

Biomass Conv. Bioref.

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Vegetable oil becomes a viable alternative to mineral or synthetic oils due to its biodegradable nature. In this work, one such vegetable-based non-edible oil (kapok oil) is blended with a mineral-based oil (SAE20W40) at 15 and 30% ratio (by volume), and its changes in thermal, tribological, and corrosive properties were evaluated. Four-ball tribometer is utilized to assess its dynamic friction coefficient and the wear scar diameter of the worn out area on the ball. Biodegradability and toxicity test of kapok oil were examined and compared with the palm and mineral oil through bacterial growth and brine shrimp assay methods, respectively. The results showed that the dynamic friction coefficient and specific wear rate of the blended oil were lesser than the mineral oil. The mineral oil produced a higher roughness average (R a) value than that of the blended oil. Kapok oil shows an adequate tribological properties (anti-friction and anti-wear) in contrast to the other vegetable oils. Overall, kapok oil had a high biodegradability nature and lower toxicity than the mineral oil.

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“…Due to their adhesion to metallic surfaces, the long chain of polar fatty acids constituting the structure of the triacylglycerol is responsible for the interest of using natural oils in boundary lubrication by creating a protective thin monolayer, which allows us to reduce friction and wear of the sliding surfaces [10]. Numerous studies have been focused on vegetable oils as surfactant molecules added to engine oils to reduce friction in the boundary lubrication regime [11][12][13][14]. In 2018, Bahari et al experimented with the tribological response of vegetable oils (palm oil, soybean oil) and their blends with mineral engine oil in a reciprocating sliding contact running in severe conditions [15].…”

Section: Introductionmentioning

confidence: 99%

Moringa and Graphite as Additives to Conventional Petroleum-Based Lubricants

Nomède-Martyr¹,

Bilas²,

Bercion³

et al. 2021

Lubricants

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Many researches are focused on the tribological performances of pure vegetable oil in order to replace the conventional mineral engine oils. This work investigates the influence of local moringa oil (noted VO) on the performances of lubricants formed from a blend of dodecane and graphite particles at ambient temperature. In a first part, a reduction of about 50% of friction properties of dodecane is observed when adding small amounts of moringa oil (VO), which is intended to be used as a bio-base performance additive in lubricant formulations. The friction properties of their blends with graphite, generally employed as solid lubricant additive, showed an adsorption effect of fatty acid molecules. The more promising results were obtained for the blend containing 2 w% of VO. Physicochemical characterizations of the tribofilms evidence the good antiwear properties of the lubricant.

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Alteration of lubricity of Jatropha oil used as bio-lubricant for engines due to thermal ageing

Cited by 32 publications

References 26 publications

Partially Deacetylated and Fibrillated Shrimp Waste-Derived Chitin as Biopolymer Emulsifier for Green Cutting Fluids—Towards a Cleaner Production

Partially Deacetylated and Fibrillated Shrimp Waste-Derived Chitin as Biopolymer Emulsifier for Green Cutting Fluids—Towards a Cleaner Production

Investigations on the tribological behaviour, toxicity, and biodegradability of kapok oil bio-lubricant blended with (SAE20W40) mineral oil

Moringa and Graphite as Additives to Conventional Petroleum-Based Lubricants

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