Power to hydrogen is a promising solution for storing variable Renewable Energy (RE) to
achieve a 100% renewable and sustainable hydrogen economy. The hydrogen-based …

CO 2 utilization technologies can not only provide a pathway to reduce greenhouse gas
emissions but may also enable renewable energy to be incorporated into important …

Biogas produced by anaerobic digestion is an important renewable energy carrier.
Nevertheless, the high CO 2 content in biogas limits its utilization to mainly heat and …

Biogas is an increasingly attractive renewable resource, envisioned to secure future energy
demands and help curb global climate change. To capitalize on this resource, membrane …

Carbon-rich waste materials (solid, liquid, or gaseous) are largely considered to be a burden
on society due to the large capital and energy costs for their treatment and disposal …

Bioelectrohydrogenesis using a microbial electrolysis cell (MEC) is a promising technology
for simultaneous hydrogen production and wastewater treatment which uses electrogenic …

Biogas is mainly produced from the anaerobic fermentation of biomass, containing methane
with an extensive range between about 50% and 70%. Higher methane content biogas has …

Biogas upgrading technologies have received widespread attention recently and are
researched extensively. Microbial biogas upgrading (biomethanation) relies on the microbial …

Microbial electrolysis cells (MECs) produce hydrogen at the cathode associated with the
oxidation of organic matter at the anode. This technology can produce hydrogen by …

The combustion of fossil fuels has led to a large amount of carbon dioxide emissions and
increased greenhouse effect. Methanation of carbon dioxide can not only mitigate the …