Using the poly-lactic acid as a fuel additive to enhance the physicochemical properties of aircraft jet fuel grade A1

Abdelrahman M. Zalat; El Sayed M. E. Mansour; Mahmoud A. I. Hewehy; Mostafa M. H. Khalil

doi:10.53730/ijhs.v7nS1.14446

Authors

Abdelrahman M. Zalat
aerodrome.sms@gmail.com
Manager, Safety Department, Egyptian Airports Company, Airport road, Cairo 12622, Egypt
El Sayed M. E. Mansour Professor emeritus, organic chemistry department, faculaty of science, Alexandria University, Alexandria 21544, Egypt
Mahmoud A. I. Hewehy Professor at Environmental Basic Science Department, Faculaty of Higher Studies And Environmental Research, Ain Shams University, Cairo 12622, Egypt
Mostafa M. H. Khalil Professor at Inorganic Chemistry Department, Faculaty of Science, Ain Shams University, Cairo 12622, Egypt

Keywords:

biopolymers, fuel additives, fuel improvers, jet fuel, polylactic acid

Abstract

The combustion quality and energy content of Jet fuel are important to fuel characteristics. There are some essential performance characteristics include density, flash point, freezing point, kinematic viscosity at -20o C, smoke point, and distillation temperatures should be detected and controlled. In this study, an experimental investigation was performed in order to determine the effects of polylactic acid, tetrahydrofuran, and Jet A1 fuel blends on the physical and chemical properties of blends. For this purpose, the fuel blends studied were analyzed using Miniscan IR which is a high speed for the comprehensive and automatic measurement of Jet fuels. From our results, it was found that the maximum flash point enhancement was obtained by S3 (95%Jet A1/5%THF/250ppmPLA) (42.3oC) while it was (38oC) for the blank Jet fuel A1. On the other hand, the decreasing of freezing point was achieved by S6 (95%Jet A1/5%THF/2500ppmPLA) (-65.4oC), while it was (-62.6oC) for the blank Jet fuel. The maximum net heat of combustion value was obtained by S2 (95%Jet A1/5%THF) (56.44 MJ/kg), while it was (55.62 MJ/kg) for the blank sample. Also, the density slightly increased for all Jet blended samples. The net heat of combustion values were enhancement, compared with blank Jet fuel A1.

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