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COLD SOAK FILTRATION TEST [1 record]

Record 1 2014-02-03

English

Subject field(s)
  • Thermodynamics
  • Combustion and Fuels (Fireplaces)
CONT

The cold soak filtration test determines if biodiesel shows precipitate formation upon cooling to temperatures above the cloud point.

OBS

The test is performed by placing 300 mL of biodiesel in a 500-mL glass bottle. The sample is then set in a liquid or air bath or chamber at 40 °F for 16 hours. The sample is then allowed to come to room temperature (around 70 °F) and filtered through a 47-mm diameter and 0.7-μm nominal pore-sized glass fiber filter under vacuum of 25 inches of mercury under atmospheric pressure. The time required to filter 300 ml of biodiesel is reported.

French

Domaine(s)
  • Thermodynamique
  • Combustion et combustibles (Foyers)
CONT

Essai de filtration par trempage à froid (EFTF) – Exigence la plus présente dans l’ASTM [American Society for Testing and Materials] D6751. Elle a été ajoutée en 2008 à la suite de l’obtention de données indiquant que certains mélanges de type B100 pouvaient former des précipités au-dessus du point de trouble. Dans des mélanges de pétrodiesel allant jusqu’à une teneur de 20 %, un mélange de type B100 satisfaisant aux exigences de la filtrabilité par trempage à froid ne forme aucun précipité.

Spanish

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