The replacement of traditional and non-renewable resources by shifting towards renewable-
based strategies is a strategy implemented by the European Union for a circular economy …

The rising adverse effects of climate change call for a rapid shift to low-carbon energy and
reducing our dependence on fossil fuels. For that, biorefineries appear as promising …

Abstract Waste-to-energy (WtE) plants are pivotal for the circular economy and sustainable
urban development. However, public acceptance is critical to their success, given …

Hydrogen is not only considered as a cornerstone within renewable energy portfolio but it is
also a key enabler for CO 2 valorisation being a central resource for industrial …

Promoting the performance of catalytic systems by incorporating small amount of alkali has
been proved effective for several reactions whilst controversial outcomes are reported for the …

Hydrothermal carbonization enables the valorization of biomass via thermochemical
conversion into various products. Today, this technology is experiencing a situation similar …

In this study the optimization of the hydrothermal carbonization process for the conversion of
olive tree pruning into biofuel is presented. To this end, a combined experimental-economic …

Although no legal sustainability criteria have been formulated for electricity and heat
production from biogas, the sustainability and profitability of large-scale biogas plants which …

This study introduces a novel techno-economic approach to renewable ammonia production
using landfill biogas. The proposed process involves bio-hydrogen generation from landfill …

Biogas methanation emerges as a prominent technology for converting biogas into
biomethane in a single step. Furthermore, this technology can be implemented at biogas …