Opportunities for utilization of non-conventional energy sources for biomass pretreatment

•Use of γ, microwave, electron beam can be effectively employed for pretreatment.•Selective cleavage is possible using non-conventional methods for pretreatment.•Less inhibitory by-products with non-conventional pretreatment methods.•Pre-processing of biomass for pretreatment is less cumbersome. The...

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Bibliographic Details
Published in:Bioresource technology 2016-01, Vol.199, p.398-407
Main Authors: Singh, Rawel, Krishna, Bhavya B., Kumar, Jitendra, Bhaskar, Thallada
Format: Article
Language:English
Subjects:
Biomass
Biotechnology - methods
Electron beam irradiation
Energy-Generating Resources
Fermentation
Gamma Rays
Hydrolysis
Lignin - chemistry
Microwave
Microwaves
Pretreatment
Ultrasonics
Ultrasound
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Summary:•Use of γ, microwave, electron beam can be effectively employed for pretreatment.•Selective cleavage is possible using non-conventional methods for pretreatment.•Less inhibitory by-products with non-conventional pretreatment methods.•Pre-processing of biomass for pretreatment is less cumbersome. The increasing concerns over the depletion of fossil resources and its associated geo-political issues have driven the entire world to move toward sustainable forms of energy. Pretreatment is the first step in any biochemical conversion process for the production of valuable fuels/chemicals from lignocellulosic biomass to eliminate the lignin and produce fermentable sugars by hydrolysis. Conventional techniques have several limitations which can be addressed by using them in tandem with non-conventional methods for biomass pretreatment. Electron beam and γ (gamma)-irradiation, microwave and ultrasound energies have certain advantages over conventional source of energy and there is an opportunity that these energies can be exploited for biomass pretreatment.
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2015.08.117