BioGas is not a pure methane. It contains many gas including CO2 which dramatically reduce its calorific value as a fuel.
But Professor May-Britt Hägg and Dr. Jon A. Lie have invented a technology to use carbon membrane as a separation tool for CO2 in biogas. That membrane is contain following features.
• High stability and durability
• No contamination of gas flow
• New class of hollow fibre membrane
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