Microwave heating processing as alternative of pretreatment in second-generation biorefinery: An overview

[Display omitted] •Microwave heating pretreatment for lignocellulosic material.•Fundament of lignocellulosic material fractionation using microwave irradiation.•Energy consumption in microwave pretreatments and microwave reactors description.•Microwave heating as pretreatment in a biorefinery concep...

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Bibliographic Details
Published in:Energy conversion and management 2017-03, Vol.136, p.50-65
Main Authors: Aguilar-Reynosa, Alejandra, Romaní, Aloia, Ma. Rodríguez-Jasso, Rosa, Aguilar, Cristóbal N., Garrote, Gil, Ruiz, Héctor A.
Format: Article
Language:English
Subjects:
Alternative technology
Biodiesel fuels
Bioethanol
Biofuels
Biorefineries
Biorefinery
Clean technology
Dielectric polarization
Dielectric properties
Electrical properties
Energy consumption
Ethanol
Heat treating
Heating
Lignocellulose
Lignocellulosic material
Microwave heating
Molecular collisions
Pretreatment
Refineries
Refining
Saccharification
Substrates
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Summary:[Display omitted] •Microwave heating pretreatment for lignocellulosic material.•Fundament of lignocellulosic material fractionation using microwave irradiation.•Energy consumption in microwave pretreatments and microwave reactors description.•Microwave heating as pretreatment in a biorefinery concept. The development of a feasible biorefinery is in need of alternative technologies to improve lignocellulosic biomass conversion by the suitable use of energy. Microwave heating processing (MHP) is emerging as promising unconventional pretreatment of lignocellulosic materials (LCMs). MHP applied as pretreatment induces LCMs breakdown through the molecular collision caused by the dielectric polarization. Polar particles movement generates a quick heating consequently the temperatures and times of process are lower. In this way, MHP has positioned as green technology in comparison with other types of heating. Microwave technology represents an excellent option to obtain susceptible substrates to enzymatic saccharification and subsequently in the production of bioethanol and high-added compounds. However, it is still necessary to study the dielectric properties of materials, and conduct economic studies to achieve development in pilot and industrial scale. This work aims to provide an overview of recent progress and alternative configurations for combining the application of microwave technology on the pretreatment of LCMs in terms of biorefinery.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2017.01.004