Chapter

Production of Biofuels and Chemicals with Microwave

Volume 3 of the series Biofuels and Biorefineries pp 99-127

Date:

Microwave Pyrolysis of Organic Wastes for Syngas-Derived Biopolymers Production

  • D. BenerosoAffiliated withInstituto Nacional del Carbón, CSIC
  • , J. M. BermúdezAffiliated withInstituto Nacional del Carbón, CSIC
  • , A. ArenillasAffiliated withInstituto Nacional del Carbón, CSIC
  • , J. A. MenéndezAffiliated withInstituto Nacional del Carbón, CSIC Email author 

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Abstract

Bioplastics production is a growing industry that offers an alternative to that of conventional fossil-derived plastics. Polyhydroxyalkanoates are biopolymers whose thermo-mechanical properties can be comparable to those of conventional plastics. Polyhydroxyalkanoates can be produced through the bacterial fermentation of carbon substrates, although to be commercially viable cheap renewable resources such as syngas (CO + H2 + CO2) from waste pyrolysis are required. Microwave pyrolysis has been demonstrated to have the potential of maximising both the gas production and syngas concentration. Hence it is an appropriate thermochemical route for further syngas fermentation . A combination of different factors, such as the type of waste, the moisture content, the pyrolysis temperature or the use of a microwave receptor makes microwave pyrolysis highly versatile, so that the syngas produced can be virtually tailored to the specific requirements of the bacteria.

Keywords

Microwave heating Pyrolysis Syngas Biopolymers Polyhydroxyalkanoates Waste valorisation