Special Issue "Enabling Technologies and Green Processes for Biorefinery Strategies and Biomass Valorization"
Deadline for manuscript submissions: closed (10 December 2015)
Prof. Dr. Giancarlo Cravotto
In the last decade, the development of alternative sustainable chemical processes has exploited suitable enabling technologies. Starting from a rational approach to biorefinery strategizing for agri-food waste valorization, the cost-effective production of high-value natural products and food ingredients and the recovery of co-products from food processing wastes are some of the main goals of all industrialized countries. In this context, a pivotal role is played by enabling technologies, such as ultrasound (US), microwaves (MW), and ball mills.
Compared to classic batch reactors, flow systems stand out for their greater efficiency and flexibility, and are well suited for high-throughput applications, due to the lower energy consumption. Flow-multihorn US reactors (a) and cavitational turbines (b) enable fast cell wall disruption via the intense cavitation and subsequent concentration of mobilized cytoplasmic material, even in simple water. Besides cryomilling applications, the mechanochemical technique opened the way to solventless plants extractions, with suitable solid matrices (cyclodextrins, adsorbing resins, oils), even at pilot (c) and industrial scales. Outstanding achievements have been obtained with MW-assisted processes, in particular with subcritical water (d) or pressurized water steam.
Bio-waste is generally a negative-cost feedstock for the potential production of high value-added chemicals and bioenergy. This Special Issue of Molecules aims to describe existing studies and applications of non-conventional energy sources within this field. Comparisons with classic procedures are a good means with which to highlight the huge advantages and potential scalabilities of these so-called “enabling technologies”.
Although many advances have been made during the past decade, the most exciting results in this field are surely yet to come.
(a) Flow-multihorn ultrasonic reactor, (b) Cavitational turbine, (c) Pilot-scale ball mill, (d) High-pressure microwave reactor.
Prof. Dr. Cravotto Giancarlo
Prof. Dr. Farid Chemat
Manuscript Submission Information
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- green extraction
- innovative techniques
- valorization of byproducts
- biomass for food, fuel, and ingredients