Gas report: Biomethane


The concept of a circular carbon economy has become a cornerstone of the drive towards industrial decarbonisation. To become fully sustainable and ‘close the loop’ of the circular economy model, challenges surrounding waste must be addressed.

Biogas and its derivatives, such as biomethane, achieve this by diverting waste from landfills or using anaerobic digestion to produce renewable energy.

Discovery and properties

The idea of harnessing biogas is thought to date back to 3,000BC in the Middle East, when the Assyrians used it to heat their baths. It wasn’t until 1859 that the first anaerobic digestion plant was built at a leper colony in Bombay, India, and 1895 when biogas was recovered from a sewage treatment facility and used to fuel street lamps in Exeter.

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