Compatibility of Elastomers and Metals in Biodiesel Fuel Blends

Bessee, Gary B.; Fey, Joseph P.

doi:10.4271/971690

Cited by 37 publications

(17 citation statements)

References 4 publications

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“…Bessee et al 96 investigated the effect of mixtures of diesel and soybean oil biodiesel on the tensile strength, elongation, hardness, change in volume and change in mass of several common elastomers. They found that nitrile rubber, nylon 6.6 and high-density polypropylene exposed to biodiesel at 51.7 o C for 694 h showed changes in the mechanical properties.…”

Section: Effects Of Biodiesel On the Degradation Of Polymeric Materiamentioning

confidence: 99%

The oxidative stability of biodiesel and its impact on the deterioration of metallic and polymeric materials: a review

Zuleta¹,

Baena

Ríos³

et al. 2012

J. Braz. Chem. Soc.

141

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O objetivo deste artigo é analisar as principais questões com relação às estabilidades oxidativa e de armazenamento de biodiesel e como elas afetam diferentes materiais metálicos e poliméricos presentes em peças de automóvel e em estruturas de armazenamento de biodiesel. Adicionalmente, este trabalho apresenta uma revisão das técnicas para a medição da estabilidade oxidativa e para avaliação da degradação de materiais metálicos e poliméricos. Quando biodiesel é oxidado, ocorre uma série de mudanças nas suas propriedades, tais mudanças afetam não só a qualidade do biodiesel, mas também as propriedades dos materiais que estão em contato com o biodiesel. Com a oxidação, propriedades do biodiesel como o índice de acidez, índice de peróxidos e viscosidade aumentam, entretanto os índices de iodo e teor de ésteres metílicos diminuem. As alterações das propriedades químicas e físicas do biodiesel podem afetar a integridade e a estabilidade dos materiais que estão em contato com o combustível. A atual situação relacionada com a estabilidade dos materiais revistos neste artigo poderia limitar o uso extensivo de biodiesel, como tem sido proposto em vários países, e deveria ser considerada como um fenômeno de grande importância na tecnologia de biodiesel.The purpose of this paper is to analyze the main issues concerned with the oxidative and storage stabilities of biodiesel and how they affect different metallic and polymeric materials present in automotive parts and in biodiesel storage structures. In addition, this work presents a review of the techniques used for measuring the oxidative stability and for evaluating the degradation of metallic and polymeric materials. When biodiesel is oxidized, a series of changes in its properties occurs. These changes not only affect biodiesel quality, but also the properties of the materials that are in contact with it. Upon oxidation, biodiesel properties like the acid value, peroxide value and viscosity increase, while the iodine value and the content of methyl esters decrease. The changes in the chemical and physical properties of biodiesel can affect the integrity and stability of the material. The situation reviewed in this paper, which talks about the stability of materials, could limit the extensive use of biodiesel. Such measures have been proposed in several countries, and it is a topic of great importance for biodiesel technology.

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Section: Effects Of Biodiesel On the Degradation Of Polymeric Materiamentioning

confidence: 99%

The oxidative stability of biodiesel and its impact on the deterioration of metallic and polymeric materials: a review

Zuleta¹,

Baena

Ríos³

et al. 2012

J. Braz. Chem. Soc.

141

View full text Add to dashboard Cite

show abstract

“…Besides that, blended biodiesel fuels might be aggressive towards the components in the fuel system of diesel engine due to the difference of chemical composition in biodiesel fuel. Even the biodiesel fuel is mixed with the diesel fuel in small amounts, material compatibility is still one of the important issue whenever the fuel composition is changed in the fuel system [11]. This is because many components in the fuel system of diesel engine vehicles are specifically designed to run on diesel fuel which are known by the automotive industry.…”

Section: Non-metals Compatibilitymentioning

confidence: 99%

Dynamic Testing for Compatibility Assessment of Non-Metal Automotive Components with Biodiesel Fuel: A Concept Study

Sa'at¹,

Samsuri²,

Sulaiman³

et al. 2018

IJCRSET

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Over the years, concern on the compatibility issue of the blended biodiesel fuel with non-metal material components in diesel engine vehicles had received many attentions. Assessing the compatibility of non-metal material components like elastomer and plastics usually rely on the measurement of mechanical and physical properties such as tensile strength, elongation, hardness, surface morphology, weight and volume changes. These properties are typically measured after the static immersion test is done accordingly to the ASTM D471. However, data and results given from the static immersion test is only applicable when the samples are in a static condition and not in a dynamic situation. Thus, this paper attempts to review some common issues related to the biodiesel fuel and non-metal components and introducing the dynamic testing approach that can be applied when assessing the compatibility study of biodiesel fuel with some potential problems that might be encountered.

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“…Biodiesel blends (B20) can also have storage stability problems, especially in the presence of copper. 24 Some regulators and researchers consider ultra-low sulfur diesel fuel as an alternative fuel to current diesel fuels. For the purposes of this report, ultra-low sulfur diesel is not considered an alternative fuel.…”

Section: Alternative Fuelsmentioning

confidence: 99%