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Air Liquide to build its largest biomethane production unit

France-headed industrial gas major Air Liquide continues its development of biomethane activities with the construction of its largest biomethane production unit so far. The new upgrading unit will have a production capacity of 380 GWh per year, which represents the largest production capacity per plant for the Group. It will be operational by the end of 2023.

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Air Liquide continues its development of biomethane activities with the construction of its largest biomethane production unit so far. To be built in the United States, the new upgrading unit will have a production capacity of 380 GWh per year, which represents the largest production capacity per plant for the Group. An Air Liquide biogas-to-biomethane upgrading unit at a European biogas plant (photo courtesy Air Liquide).

Located in Rockford, Illinois (IL) in the United States (US), the new production unit will produce biomethane (aka renewable natural gas – RNG) from biogas from a solid waste treatment plant, owned and operated by Waste Connections Inc.

It will have a production capacity of 380 GWh per annum and will be operational by the end of 2023.

Another biomethane production unit from another landfill is also being built in Delavan, Wisconsin (WI), and will be operational at the beginning of Q2 2022.

Thanks to these two new units, Air Liquide is becoming a significant biomethane production player in the United States to accompany its customers from the industrial and transportation sectors in North America.

Competencies across the RNG value chain

Air Liquide has developed competencies throughout the whole biomethane value chain, from biogas production from waste to its purification into biomethane, liquefaction, storage, and transportation to distribution.

For these two projects, Air Liquide will use, in addition to its own membrane technology, a complementary technology developed by Waga Energy, a company specialized in the valorization of biogas from landfill sites, founded in 2015 and supported by ALIAD, the Group’s capital venture fund.

Globally, Air Liquide now has 21 biomethane operational production units in the world with an annual production capacity of about 1.4 TWh. After the commissioning of the two new Rockford and Delavan plants, the Group’s biomethane production capacity will reach 1.8 TWh per annum.

Biomethane, like hydrogen and CO2 capture technologies, has a prominent place in the portfolio of solutions developed by Air Liquide to fight global warming and preserve the environment. The announcement of the construction of our largest biomethane production unit in the world illustrates Air Liquide’s determination to accompany its customers in the industrial and transportation sectors throughout the energy transition, but also to actively contribute to the emergence of a low-carbon society, said Émilie Mouren-Renouard, Member of the Air Liquide Executive Committee, in charge of Innovation, Digital and IT, Intellectual Property and Global Markets & Technologies World Business Unit.

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