Bioenergy Technologies

Dear Colleagues,

The significantly escalating global energy demand is caused by industrial activity in developed and developing countries, growing transportation fuel requirements and the population increase. The scarcity of conventional sources of energy, instability in gas and oil regions and concomitant fluctuations in gas/oil-based energy prices, alarming greenhouse gas emissions and soaring air pollution have prompted dedicated and widespread research efforts in developing bioenergy technologies to cope with such an energy demand. This trend has been substantially boosted recently and is foreseen as a sustainable, environmentally friendly approach for the intended goal that, moreover, fits within the concept of the circular economy concept, later largely fostered in several contexts such as the UN 2030 Agenda for Sustainable Development.

Bioenergy processes anchor on the translation of organic material (e.g., agro-forestry, industrial and municipal waste) into either an end-product (e.g., biodiesel, hydrogen and syngas) used to produce energy, or directly into electricity (e.g., microbial fuel cells). The implementation of bioenergy processes relies on either biochemical or thermochemical-based approaches, both  having recently experienced major advances.

This Topical Collection looks for original contributions regarding technological developments focused on the production of energy from biomass or/and organic waste, and its assessment in a circular economy context. Topics include, but are not limited to, bio-based processes for the conversion of organic material, e.g., alcoholic fermentation, anaerobic digestion, microbial fuel cells, photobiologic hydrogen synthesis and transesterification; the thermo-chemical conversion of organic materials, e.g., direct combustion, gasification, liquefaction and pyrolysis; bioenergy production and the economic/environmental impacts.

Dr. Pedro Fernandes
Collection Editor

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