Deacidification of Pistacia chinensis Oil as a Promising Non-Edible Feedstock for Biodiesel Production in China

Shenjun Qin, Yuzhuang Sun, Changlin Shi, Leqin He, Yuan Meng and Xiaohui Ren
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Shenjun Qin: Key Laboratory for Resource Exploration Research of Hebei Province, Hebei University of Engineering, Handan, Hebei 056038, China
Yuzhuang Sun: Key Laboratory for Resource Exploration Research of Hebei Province, Hebei University of Engineering, Handan, Hebei 056038, China
Changlin Shi: Key Laboratory for Resource Exploration Research of Hebei Province, Hebei University of Engineering, Handan, Hebei 056038, China
Leqin He: Key Laboratory for Resource Exploration Research of Hebei Province, Hebei University of Engineering, Handan, Hebei 056038, China
Yuan Meng: Key Laboratory for Resource Exploration Research of Hebei Province, Hebei University of Engineering, Handan, Hebei 056038, China
Xiaohui Ren: Key Laboratory for Resource Exploration Research of Hebei Province, Hebei University of Engineering, Handan, Hebei 056038, China

Energies, 2012, vol. 5, issue 8, 1-12

Abstract: Pistacia chinensis seed oil is proposed as a promising non-edible feedstock for biodiesel production. Different extraction methods were tested and compared to obtain crude oil from the seed of Pistacia chinensis , along with various deacidification measures of refined oil. The biodiesel was produced through catalysis of sodium hydroxide (NaOH) and potassium hydroxide (KOH). The results showed that the acid value of Pistacia chinensis oil was successfully reduced to 0.23 mg KOH/g when it was extracted using ethanol. Consequently, the biodiesel product gave a high yield beyond 96.0%. The transesteri?cation catalysed by KOH was also more complete. Fourier transform infrared (FTIR) spectroscopy was used to monitor the transesterification reaction. Analyses by gas chromatography-mass spectrometry (GC-MS) and gas chromatography with a flame ionisation detector (GC-FID) certified that the Pistacia chinensis biodiesel mainly consisted of C 18 fatty acid methyl esters (81.07%) with a high percentage of methyl oleate. Furthermore, the measured fuel properties of the biodiesel met the required standards for fuel use. In conclusion, the Pistacia chinensis biodiesel is a qualified and feasible substitute for fossil diesel.

Keywords: biodiesel; Pistacia chinensis seed oil; deacidification; transesterification (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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