Abstract Green ammonia production offers a pathway to carbon‐neutral fertilizers, yet industrial synthesis remains dominated by the energy‐intensive Haber–Bosch process. While Ru‐based catalysts exhibit promising activity under mild laboratory conditions, their scalability and operational stability in practical systems remain unproven. Here, we bridge this critical gap by using a modular, bench‐scale reactor system to evaluate Ru/YHO catalysts across laboratory‐to‐pilot transitions. A 2 wt% Ru/YHO catalyst with 200 mg loading in a laboratory reactor achieved an ammonia formation rate of 17,415 μmol g −1 h −1 at 5 MPa. When scaled to a 300 g catalyst, it maintained a sustained NH 3 yield of 10%. Compared with the conventional Haber–Bosch process, the pilot system can be powered by intermittent wind and solar energy to achieve net‐zero greenhouse gas emissions. This work offers a practical route for integrating renewable energy into ammonia production and demonstrates a model for translating laboratory‐scale catalytic advances into carbon‐neutral industrial technologies.
Wang et al. (Sun,) studied this question.
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