Active Energy Group PLC on Tuesday celebrated a further patent from the US Patent & Trademark Office regarding its proprietary technology for a process for beneficiating and cleaning biomass.

Active Energy is a London-headquartered biomass-focused renewable energy company. Its shares were trading 8.9% higher at 6.70 pence each in London on Tuesday morning.

The patent gives Active Energy the rights to exclude others from making, using, and selling any apparatus or system that includes its existing CoalSwitch production technology.

The firm’s patented system includes a reaction vessel that increases exposure of biomass within the reaction vessel to steam. This latest-issued patent complements earlier patents that Active Energy has been granted for its CoalSwitch production tech.

‘The award of this patent builds upon the original patent and increases Active Energy’s ability to control the resulting fixed carbon content of the finished product. To simplify, our steam explosion unlocks pathways that weren’t previously economically viable, and we are now able to strategically target industries and commercial sectors that were previously not available,’ said Chief Technology Officer Barron Hewetson.

Hewetson added: ‘We are expanding upon the ’steam explosion‘ process and capitalising on the inherent synergy of other waste biomass and waste wood production systems in novel ways to drive future growth, notably in pre-treatment systems and alternate thermo treatment systems, including pyrolysis.’

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