Grid Injection from Plasma Gasification of Wastes - Waste Mangagement World

Grid Injection from Plasma Gasification of Wastes


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Advanced plasma power Grid Injection from Plasma Gasification of WastesImage Credit: Shutterstock/AlexTois
22 February 2012

A project that utilises plasma gasification to generate a bio-substitute natural gas (Bio-SNG) for direct injection into the national gas grid is under development by National Grid, Advanced Plasma Power (APP) and Progressive Energy.

According to APP the project is the first of its kind and will deliver an end-to-end process for converting waste to Bio-SNG, using its proprietary Gasplasma technology.

The company said that the project will be located at its Gasplasma facility in Swindon, and will demonstrate the technical feasibility and commercial viability of the waste to Bio-SNG process.

The waste feedstocks for APP's Swindon facility include municipal solid waste; refuse derived fuel from mined landfill wastes; and contaminated woods.

The three partners said that they will work together to design, install and test the operation of a demonstration plant. 

APP, a plasma gasification specialist, said that that the plant will take the waste-derived and energy rich synthesis gas from its existing Gasplasma process, and convert it to meet the specification for injection it into the gas network.

The National Grid said that large quantities of renewable gas are required to replace diminishing fossil gas supplies, but added that gas-fired power generation is very efficient and that the gas grid, storage, and power station infrastructure is already in place.

According to APP, Bio-SNG could play a significant role in the decarbonisation of heating and help reach the UK's binding carbon reduction targets.

The National Grid backed this up with estimates that Bio-SNG could deliver up to 20% of the UK's heat requirements while reducing carbon emissions and providing a sustainable waste management solution

Marcus Stewart, future distribution networks manager at National Grid commented: "This project is a great opportunity to look at the potential of Bio-SNG from both a technical and commercial perspective."

According to Stewart, the project offers the potential to provide an economic and way to decarbonise energy, while making the best use of the existing network.

Phillip Cozens, Progressive Energy, an independent UK based specialist in clean energy project development, added:

"This project is a significant step towards greater resource efficiency in our economy, exploiting the capacity of the existing gas infrastructure and demonstrating the potential to deliver renewable heat at a cost that is competitive with other renewable heat options."


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