Abstract
The synthesis of fatty acid ethyl esters (FAEEs) by a two-step in situ (reactive) esterification/transesterification from Jatropha curcas L. (JCL) seeds using microwave system has been investigated. Free fatty acid was reduced from 14% to less than 1% in the first step using H2SO4 as acid catalyst after 35min of microwave irradiation heating. The organic phase in the first step was subjected to a second reaction by adding 5N KOH in ethanol as the basic catalyst. Response surface methodology (RSM) based on central composite design (CCD) was utilized to design the experiments and analyze the influence of process variables (particles seed size, time of irradiation, agitation speed and catalyst loading) on conversion of triglycerides (TGs) in the second step. The highest triglycerides conversion to fatty acid ethyl esters (FAEEs) was 97.29% at the optimum conditions:<0.5mm seed size, 12.21min irradiation time, 8.15ml KOH catalyst loading and 331.52rpm agitation speed in the 110W microwave power system.
| Original language | English |
|---|---|
| Pages (from-to) | 565-573 |
| Number of pages | 9 |
| Journal | Bioresource Technology |
| Volume | 136 |
| DOIs | |
| State | Published - May 2013 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
-
SDG 7 Affordable and Clean Energy
Keywords
- Biodiesel
- Jatropha curcas L.
- Microwave assisted
- Response surface methodology
- Two-step in situ process
ASJC Scopus subject areas
- Environmental Engineering
- Bioengineering
- Renewable Energy, Sustainability and the Environment
- Waste Management and Disposal
Fingerprint
Dive into the research topics of 'Microwave assisted biodiesel production from Jatropha curcas L. seed by two-step in situ process: Optimization using response surface methodology'. Together they form a unique fingerprint.Cite this
- APA
- Author
- BIBTEX
- Harvard
- Standard
- RIS
- Vancouver