Purification of Biodiesel via Nanofluid using Liquid-Liquid Extraction in a Membrane Contactor Purification of Biodiesel

Main Article Content

Harith N. Mohammed
https://orcid.org/0000-0003-2705-1177
Suad H. Ahmed
https://orcid.org/0000-0001-6262-2065
Abdullah A. Abdulkarim
https://orcid.org/0000-0002-4910-8499

Abstract

Recently, attention has been paid to nanofluids due to their contribution to enhancing heat and mass transfer in different industrial applications. Consequently, a nanofluid composed of SiO2 nanoparticles (NPs) and distilled water as base fluid was adopted as a solvent to promote the removal of impurities, methanol, and glycerol, from crude biodiesel using liquid-liquid extraction in the membrane contactor. The presence of NPs significantly enhanced the methanol and glycerol removal efficiency. The optimum concentration of NPs in nanofluid was 0.01 wt%. It was found that adding 0.01 wt% of NPs to the distilled water increased the methanol removal efficiency from 76.4% to 93.1% upon using crude biodiesel with methanol and glycerol content of 2000 ppm and 1 wt%, respectively, at a constant flow rate of solvent and biodiesel of 200 mL min⎼1. Meanwhile, the glycerol removal efficiency increased from 76.2% to 94.5%. The results revealed that the solvent flow rate was the controlling mass transfer step.

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Articles
Author Biography

Suad H. Ahmed, Chemical Engineering Department, College of Engineering, Tikrit University, Tikrit, Iraq.

Chemical Engineering Department

Funding data

Plaudit

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