Production of bio-oil from agricultural waste by using a continuous fast microwave pyrolysis system

Yunpu Wang, Zihong Zeng, Xiaojie Tian, Leilei Dai, Ling Jiang, Shumei Zhang, Qiuhao Wu, Pingwei Wen, Guiming Fu, Yuhuan Liu, Roger Ruan

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

In this study, a continuous fast microwave-assisted pyrolysis system was developed to produce bio-oil, gas, and biochar from rice straw and Camellia oleifera shell. The effects of different pyrolysis temperatures (400 °C, 500 °C, and 600 °C) and feed rates (rice straw: 25, 45, and 66 g/min; C. oleifera shell: 100, 200, and 400 g/min) on bio-oil production were investigated. Experimental results showed that the yields of bio-oil (31.86 wt%) and gas (54.49 wt%) produced by the microwave-assisted pyrolysis of rice straw increased with increasing temperature. By contrast, the yields of bio-oil (27.45 wt%) and biochar (35.47 wt%) produced by the pyrolysis of C. oleifera shell decreased with increasing temperature. The contents of phenols, aldehydes, and alcohols in bio-oil produced from the shell were higher than those in bio-oil derived from rice straw.

Original languageEnglish (US)
Pages (from-to)162-168
Number of pages7
JournalBioresource Technology
Volume269
DOIs
StatePublished - Dec 2018

Bibliographical note

Funding Information:
We gratefully acknowledge the financial support from the National Natural Science Foundation of China (No. 21766019), the Key Research and Development Program of Jiangxi Province (20171BBF60023), the International Cooperation Project of MOST P. R. China (2015DFA60170-4), the Science and Technology Research Project of Jiangxi Province Education Department (No. GJJ150213), the China Scholarship Council (201806820035), and the Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development (No. Y707sb1001).

Funding Information:
We gratefully acknowledge the financial support from the National Natural Science Foundation of China (No. 21766019 ), the Key Research and Development Program of Jiangxi Province ( 20171BBF60023 ), the International Cooperation Project of MOST P. R. China ( 2015DFA60170-4 ), the Science and Technology Research Project of Jiangxi Province Education Department (No. GJJ150213 ), the China Scholarship Council ( 201806820035 ), and the Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development (No. Y707sb1001 ).

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

  • Bio-oil
  • Camellia oleifera shell
  • Fast pyrolysis
  • Microwave
  • Rice straw

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