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Standard Test Method for Determination of Fuel Filter Blocking Potential of Biodiesel Fuel Blendstock (B100) by Cold Soak Filtration Test (CSFT)
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NORM herausgegeben am 1.4.2022
Bezeichnung normen: ASTM D7501-22
Ausgabedatum normen: 1.4.2022
SKU: NS-1054476
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
biodiesel, biodiesel blend, diesel fuel, filter blocking potential, glass fiber filter, laboratory filtration, low temperature operability, middle distillate fuel,, ICS Number Code 75.160.20 (Liquid fuels)
Significance and Use | ||||||||
5.1?Some substances that are soluble or appear to be soluble in biodiesel fuel blendstock (B100) at room temperature will, upon cooling to temperatures above the cloud point or standing at room temperature for extended periods, come out of solution. This phenomenon has been observed in both B100 and biodiesel blends. These substances can cause filter plugging. This method provides an accelerated means of assessing the presence of these substances in B100 and their propensity to plug filters. 5.1.1?Biodiesel fuel blendstocks that yield short filtration times are expected to give satisfactory operation of biodiesel blends at least down to the cloud point of the biodiesel blends. 5.2?The test method can be used in specifications as a means of controlling levels of minor filter plugging components in biodiesel and biodiesel blends. |
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1. Scope | ||||||||
1.1?This test method covers the determination by filtration time after cold soak for the suitability of biodiesel fuel blendstock (B100) that meets all other requirements of Specification D6751 and has a cloud point below 20 ?C (68 ?F) to provide adequate low temperature operability performance to at least the cloud point of the finished blend. 1.2?The values stated in SI units are to be regarded as standard. Non-SI units are given for information only. 1.3?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||||||
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