Ammonia production apparatus
The ammonia production apparatus efficiently recycles and reuses nitrogen and hydrogen by-products through a novel electrolysis system, addressing the utilization challenge in existing methods and enabling continuous ammonia production without complex equipment.
AU2024364790B2Pending Publication Date: 2026-07-16IDEMITSU KOSAN CO LTD
Patent Information
- Authority / Receiving Office
- AU · AU
- Patent Type
- Applications
- Current Assignee / Owner
- IDEMITSU KOSAN CO LTD
- Filing Date
- 2024-10-16
- Publication Date
- 2026-07-16
AI Technical Summary
Technical Problem
Existing ammonia production methods face challenges in effectively utilizing unreacted nitrogen and hydrogen as by-products, with no efficient means for their recycling or reuse.
Method used
An ammonia production apparatus comprising a first electrolysis vessel, a second electrolysis vessel, a separator, and separation units to recycle and reuse nitrogen and hydrogen by-products, utilizing a nitrogen-activating catalyst to produce ammonia and hydrogen efficiently.
Benefits of technology
Enables effective utilization of unreacted nitrogen and hydrogen without the need for complex apparatuses like cryogenic separation or pressure swing adsorption, facilitating continuous ammonia production.
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Abstract
Provided is an ammonia production apparatus comprising: a first electrolytic cell in which at least a portion of a first electrolytic medium is housed; a first electrode disposed in the first electrolytic cell; a second electrolytic cell in which at least a portion of a second electrolytic medium is housed; a second electrode disposed in the second electrolytic cell; a separator provided between the first electrolytic cell and the second electrolytic cell; and a first separation part separating ammonia from the second electrolytic medium. The first electrolytic cell is configured such that a proton source contained in the first electrolytic medium is oxidized at the first electrode, protons are generated, and, in the second electrolytic medium, ammonia and hydrogen are generated from nitrogen, protons, and electrons in the presence of a nitrogen activation catalyst. The first separation part is configured such that nitrogen and hydrogen that have been separated from the ammonia are supplied to the first electrolytic medium.
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