Chemical company Asahi Kasei is to construct a biogas purification system at a sewage treatment plant in Kurashiki City, Okayama, Japan, which can separate and recover CO2 and methane emissions.
During a trial held today, 15th September, Asahi Kasei showcased the system, which uses its K-GIS zeolite adsorbent to selectively adsorb CO2 from biogas released from sewage.
According to the company, K-GIS differs from conventional adsorbents by adsorbing almost no methane, enabling the system to efficiently separate and recover high-purity methane while recovering high-purity CO2.
... to continue reading you must be subscribed
