Flow-mode synthesis of biodiesel under simultaneous microwave-magnetic irradiation

Behzad Khedri; Mostafa Mostafaei; Seyed Mohammad Safieddin Ardebili

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Flow-mode synthesis of biodiesel under simultaneous microwave-magnetic irradiation

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Flow-mode synthesis of biodiesel under simultaneous microwave-magnetic irradiation
- Chinese Journal of Chemical Engineering Vol. 27, Issue 10, Pages: 2551-2559(2019)
- Affiliations：
  
  1. Mechanics of Biosystems Engineering Department, Razi University, Kermanshah,Iran
  2. Biosystems Engineering Department, Shahid Chamran University of Ahvaz, Ahvaz,Iran
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2019
- Accepted：
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Behzad Khedri, Mostafa Mostafaei, Seyed Mohammad Safieddin Ardebili. Flow-mode synthesis of biodiesel under simultaneous microwave-magnetic irradiation[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2551-2559.
DOI：

Behzad Khedri, Mostafa Mostafaei, Seyed Mohammad Safieddin Ardebili. Flow-mode synthesis of biodiesel under simultaneous microwave-magnetic irradiation[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2551-2559. DOI：

摘要

Abstract

In this study

aiming at optimization of a novel continuous biodiesel production system was developed by combining technologies based on microwaves and magnetic fields. Factors affecting microwave-assisted biodiesel (alkyl esters) production reaction were analyzed in this investigation. Studied factors included magnetic field intensity (0

0.225 and 0.450 T)

microwave power (400

821

and 1181 W)

percentages of KOH and NaOH catalysts at constant concentrations of 1 wt% (0

50% and 100%)

and percentages of ethanol and methanol at a constant molar ratio of 6:1 (0

50% and 100%). Response Surface Methodology (RSM) was used to optimize the reaction conditions. RSM-based analysis indicated that

all independent parameters had significant effects on the reaction efficiency. Results of the investigations reveal that the largest effects on the conversion efficiency were due to type of alcohol and magnetic field intensity. The optimized conditions were found to be a magnetic field intensity of 0.331 T

a microwave power of 677.77 W

catalyst percentages of 30.35% and 69.65% for KOH and NaOH

respectively

and alcohol percentages of 80.47% and 19.53% for methanol and ethanol

respectively. Under the optimal conditions

yield of the reaction was 96.2%.

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