Yield and Characteristics of Pyrolysis Products Obtained from Schizochytrium limacinum under Different Temperature Regimes

Gang Li, Yuguang Zhou, Fang Ji, Ying Liu, Benu Adhikari, Li Tian, Zonghu Ma and Renjie Dong
Additional contact information
Gang Li: College of Water Resources and Civil Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
Yuguang Zhou: Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, P.R. China, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
Fang Ji: Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, P.R. China, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
Ying Liu: Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, P.R. China, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China
Benu Adhikari: School of Health Sciences, University of Ballarat, Mt. Helen, VIC 3353, Australia
Li Tian: China Huadian Engineering Co., Ltd., No. 273 Xizhimennei Avenue, Xicheng District, Beijing 100035, China
Zonghu Ma: China Huadian Engineering Co., Ltd., No. 273 Xizhimennei Avenue, Xicheng District, Beijing 100035, China
Renjie Dong: Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, P.R. China, No. 17 Qinghua East Road, Haidian District, Beijing 100083, China

Energies, 2013, vol. 6, issue 7, 1-14

Abstract: Pyrolysis-gas chromatographic mass spectrometry (Py-GC/MS) was used to determine the yield and chemical composition of the pyrolysis products of Schizochytrium limacinum . The pyrolysis was carried out by varying the temperature from 300 °C to 800 °C. It was found that the main decomposition temperature of Schizochytrium limacinum was 428.16 °C, at which up to 66.5% of the mass was lost. A further 18.7% mass loss then occurred in a relatively slow pace until 760.2 °C due to complete decomposition of the ash content of Schizochytrium limacinum . The pyrolysis of Schizochytrium limacinum at 700 °C produced the maximum yield (67.7%) of pyrolysis products compared to 61.2% at 400 °C. While pollutants released at 700 °C (12.3%) was much higher than that of 400 °C (2.1%). Higher temperature will lead to more pollutant (nitrogen compounds and PAHs) release, which is harmful to the environment. Considering the reasonably high yield and minimum release of pollutants, a lower pyrolysis temperature (400 °C) was found to be optimum for producing biofuel from Schizochytrium limacinum .

Keywords: Schizochytrium limacinum; microalgae; pyrolysis products; yield; real-time determination (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: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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