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标题:Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst.
时间:2020-01-15 16:51:33
DOI:10.1016/j.biortech.2015.12.085
PMID:26773959
作者:Shiyu Liu;Qinglong Xie;Bo Zhang
关键词:Scum;Catalytic co-pyrolysis;Microwave-assisted system;CaO catalyst;Zeolite
出版源: 《Bioresource Technology》 ,2016 ,204 :164-170
摘要:This study investigated fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst. Effects of reaction temperature, CaO/HZSM-5 ratio, and corn stover/scum ratio on co-pyrolysis product fractional yields and selectivity were investigated. Results showed that co-pyrolysis temperature was selected as 550°C, which provides the maximum bio-oil and aromatic yields. Mixed CaO and HZSM-5 catalyst with the weight ratio of 1:4 increased the aromatic yield to 35.77wt.% of feedstock, which was 17% higher than that with HZSM-5 alone. Scum as the hydrogen donor, had a significant synergistic effect with corn stover to promote the production of bio-oil and aromatic hydrocarbons when the H/Ceffvalue exceeded 1. The maximum yield of aromatic hydrocarbons (29.3wt.%) were obtained when the optimal corn stover to scum ratio was 1:2.
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目录:
  • Fast microwave-assisted catalytic co-pyrolysis of corn stover and scum for bio-oil production with CaO and HZSM-5 as the catalyst
    • 1 Introduction
    • 2 Methods
      • 2.1 Materials
      • 2.2 Catalyst
      • 2.3 Experimental procedure
      • 2.4 Pyrolysis products characterization
      • 2.5 Evaluation method
    • 3 Results and discussion
      • 3.1 Effect of reaction temperature on co-pyrolysis product fractional yields and selectivity
      • 3.2 Effect of CaO/HZSM-5 ratio on co-pyrolysis product fractional yields and selectivity
      • 3.3 Effect of corn stover/scum ratio on co-pyrolysis product fractional yields and selectivity
    • 4 Conclusions
    • Acknowledgements
    • References

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