NextChem Holding's subsidiary Stamicarbon awarded new contracts for a green ammonia plant in the U.S.

MAIRE S.p.A. announces that its subsidiary NextChem Holding, through Stamicarbon, part of the Sustainable Technology Solutions business unit, has been awarded licensing and basic engineering design contracts for a 450 metric tons per day green ammonia plant by a prominent North American fertilizer producer.

The plant, to be built in the United States, will produce green ammonia to be used as feedstock for nitrogen-based fertilizers and will be based on the state-of-the-art Stami Green Ammonia technology. It is expected to start operations in 2026.

Stami Green Ammonia, the main building block for green fertilizers, enables environmentally friendly ammonia production from nature’s elements by using water electrolysis to make hydrogen and obtaining nitrogen from the air instead of the steam reforming of fossil fuels. The combination of proprietary technology and engineering requirements to build small-scale green ammonia plants offered by Stamicarbon, NextChem Holding's nitrogen technology licensor, represents a sustainable and highly competitive alternative to the conventional processes. This proven technology can also be applied in existing plants, as part of a hybrid technology solution to make existing fertilizer production more sustainable.

Alessandro Bernini, Chief Executive Officer of MAIRE, commented: “The global demand for ammonia will continue to grow, requiring efficient and environmentally friendly production methods to effectively reduce the carbon footprint. Stami Green Ammonia technology, using renewable energy instead of fossil fuels, represents an important step forward in achieving the fertilizer industry’s goals of sustainable, carbon-free solutions. This important milestone further confirms MAIRE’s role as a leading technology integrator and enabler of the energy transition globally.”

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