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Article Dans Une Revue (Article De Synthèse) Critical Reviews in Environmental Science and Technology Année : 2018

A research challenge vision regarding management of agricultural waste in a circular bio-based economy

Résumé

Agricultural waste is a huge pool of untapped biomass resources that may even represent economic and environmental burdens. They can be converted into bioenergy and bio-based products by cascading conversion processes, within circular economy, and should be considered residual resources. Major challenges are discussed from a transdisciplinary perspective, focused on Europe situation. Environmental and economic consequences of agricultural residue management chains are difficult to assess due to their complexity, seasonality and regionality. Designing multi-criteria decision support tools, applicable at an early-stage of research, is discussed. Improvement of Anaerobic Digestion (AD), one of the most mature conversion technologies, is discussed from a technological point of view and waste feedstock geographical and seasonal variations. Using agricultural residual resources for producing high-value chemicals is a considerable challenge analysed here, taking into account innovative eco-efficient and cost-effective cascading conversion processes (bio-refinery concept). Moreover, the promotion of agricultural residues-based business is discussed through industrial ecology, to promote synergy, on a local basis, between different agricultural and industrial value chains. Finally, to facilitate a holistic approach and optimise materials and knowledge flows management, the connection of stakeholders is discussed to promote cross-sectorial collaboration and resource exchange at appropriate geographic scales.
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Dates et versions

hal-02628575 , version 1 (26-05-2020)

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Paternité - Pas d'utilisation commerciale

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Nathalie Gontard, Ulf Sonesson, Morten Birkved, Mauro Majone, David Bolzonella, et al.. A research challenge vision regarding management of agricultural waste in a circular bio-based economy. Critical Reviews in Environmental Science and Technology, 2018, 48 (6), pp.614-654. ⟨10.1080/10643389.2018.1471957⟩. ⟨hal-02628575⟩
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