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Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization
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Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization

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Converting solid wastes into liquid fuel using a novel methanolysis process.

Ye Xiao1, Peng He1, Wei Cheng1

  • 1Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive, NW, Calgary, Alberta T2N 1N4, Canada.

Waste Management (New York, N.Y.)
|January 8, 2016
PubMed
Summary
This summary is machine-generated.

A novel methanolysis process converts solid waste into upgraded bio-oil using biogas at atmospheric pressure. This method offers a cost-effective alternative to traditional hydrogen-based upgrading, showing promise for sustainable bio-oil production.

Keywords:
BiogasBiomassCatalytic upgradingMethanolysisMunicipal solid wastes

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Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
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Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
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Area of Science:

  • Chemical Engineering
  • Materials Science
  • Renewable Energy

Background:

  • Traditional biomass fast pyrolysis followed by hydrodeoxygenation upgrading requires expensive hydrogen and high pressures.
  • Developing cost-effective and efficient methods for bio-oil upgrading is crucial for sustainable energy production.

Purpose of the Study:

  • To investigate a novel methanolysis process for upgraded bio-oil production from various solid wastes at atmospheric pressure.
  • To evaluate the performance of simulated biogas (CH4+CO2) as a reactant in this process.
  • To assess the efficacy of a 5%Zn-1%Ag/ZSM-5 catalyst for bio-oil upgrading.

Main Methods:

  • Biomass and solid waste pyrolysis under a methane environment (methanolysis) at atmospheric pressure and 400-600°C.
  • Utilized simulated biogas (60% CH4+40% CO2) instead of pure methane.
  • Tested different solid waste feedstocks (sawdust, canola straw, municipal solid waste, newspaper).
  • Employed catalysts including 5%Zn/ZSM-5, 1%Ag/ZSM-5, and a combined 5%Zn-1%Ag/ZSM-5 catalyst.

Main Results:

  • The methanolysis process successfully produced upgraded bio-oil from various solid wastes at atmospheric pressure.
  • Canola straw yielded bio-oil with better quality (lower acidity, lower Bromine Number, higher H/C, lower O/C) than sawdust.
  • Municipal solid waste and newspaper also yielded high oil amounts but with lower quality compared to sawdust and canola straw.
  • The 5%Zn-1%Ag/ZSM-5 catalyst significantly improved both bio-oil yield and quality compared to single-metal catalysts.
  • Silver and zinc components in the catalyst were associated with reduced acidity and bromine number, respectively.

Conclusions:

  • Methanolysis using biogas is a viable and cost-effective alternative for producing upgraded bio-oil from solid wastes at atmospheric pressure.
  • The 5%Zn-1%Ag/ZSM-5 catalyst demonstrates superior performance for bio-oil upgrading, indicating its potential for industrial application.
  • This process offers a promising pathway for sustainable waste valorization and renewable energy production.