Amine scrubbing is one of the key technologies for biogas upgrading to biomethane, which
can be used to increase the calorific value of biomethane by separating out CO2 to meet the …

Upgrading of biogas to produce biomethane is an essential way to increase the calorific
value of biogas by separating CH 4 and CO 2 to satisfy the global renewable energy …

Mixed amine scrubbing technology applied to biogas upgrading could produce high purity
biomethane, thus contributing to the increase of the percentage of renewable energy in the …

As a key technology for biogas upgrading, mixed amines scrubbing can meet the world's
demand for renewable energy by ensuring high methane (CH 4) purity while achieving low …

Biogas is an important renewable energy and biogas upgrading which separate CH 4/CO 2
to increase the heating value of biogas is necessary for its utilization. Amine scrubbing is a …

Biogas, which primarily consists of methane (CH 4) and carbon dioxide (CO 2), is a
renewable energy carrier, and can be upgraded to a natural gas substitute after removing …

Ethanol solutions of diamine, ethylenediamine (EDA) or piperazine (PZ), were found to be
able to produce a solid precipitate after the absorption of CO2. The precipitate was identified …

Reducing the CO2 and H2S contents of biogas is a prerequisite to raise its quality to that of
natural gas. The chemical capture of carbon dioxide was accomplished with non-aqueous …

Biomethane, produced by biogas upgrading, is a promising energy source that can play a
key role towards net-zero emissions targets. The incorporation of amine functionalities into …

Biogas upgrading to biomethane has received particular attention in recent years as a key
strategy to produce a natural gas-substitute from biomass. Among the available upgrading …