Abstracts Carbon dioxide (CO 2) and methane (CH 4) constitute biogas that is formed from
landfill and anaerobic digestion processes. Furthermore, raw biogas consists of minor …

Great efforts have been made toward the separation of CO2 from flue gas and biogas to
mitigate environmental pollution and the demand for renewable fuels, respectively …

Biogas upgrading is a widely studied and discussed topic and its utilisation as a natural gas
substitute has gained a significant attention in recent years. The production of biomethane …

Biogas production is rising in the context of fossil fuel decline and the future circular
economy, yet raw biogas requires purification steps before use. Here, we review biogas …

Biogas is a futuristic renewable energy with high market potential due to wide scale
availability of organic biomass, and for facilitating countries in meeting sustainable …

The reduction of CO 2 emissions to minimize the impact of the climate change has become a
global priority. The continuous implementation of renewable energy sources increases …

Biogas is a renewable energy source like solar and wind energies and mostly produced
from anaerobic digestion (AD). The production of biogas is a well-established technology …

Decarbonisation of the production and utilisation of natural gas (NG) is the main force
behind attempts to reach climate targets because NG is one of the most dominant fuels in …

Biological upgrading of biogas, a sub-category of “power to gas” technology, has provoked
great interest because it enables the secure storage of surplus renewable electricity within …

Biogas upgrading by water scrubbing followed by biomethane compression is an
environmentally benign process. It may be achieved using various plant configurations …