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Ammonia Synthesis at Low Pressures and Temperatures from Nitrogen and Water

Plasma-produced solvated electrons for ammonia synthesis from nitrogen and water at ambient conditions

Background

The production of synthetic ammonia (NH3) has an enormous energy, environmental, and societal impact. On a global scale, the ammonia market is anticipated to reach $76.64 billion by 2025. The majority of ammonia is used to make fertilizer and grow crops and, thus, it supports nearly half of the world’s population. Currently, the main process for NH3 production is Haber-Bosch (H-B), in which nitrogen (N2) in air reacts with hydrogen (H2) over an iron-based catalyst at high pressure (150–300 atmospheres) and temperature (400°–500°C). This heterogeneous reaction scheme consumes more energy and contributes more greenhouse gas emissions than any other process used to manufacture large-volume chemicals worldwide. The source of H2 for H-B is steam-methane reforming which causes high emissions

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