气候变化领域集成服务门户(CCPortal): Sustainable ammonia production enabled by membrane reactor

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DOI	10.1038/s41893-022-00908-6
	Sustainable ammonia production enabled by membrane reactor
	Ye, Lingting; Li, Hao; Xie, Kui
发表日期	2022
ISSN	2398-9629
起始页码	787
结束页码	794
卷号	5 期号:9 页码:8
英文摘要	The ammonia industry is crucial for the global supply of food through economical production of fertilizers in quantity, and it allows for the development of catalytic chemistry and technologies with ammonia as a promising carbon-free energy carrier. Although the Haber-Bosch process, where hydrogenolysis of nitrogen takes place over a promoted iron catalyst under harsh conditions, will continue to play a key role, its massive carbon footprint and energy consumption call for more sustainable production methods ideally at near ambient pressure. Here, we show a green route for the synthesis of ammonia using a nitrogen permeable membrane reactor. In the absence of an external pressure, our membrane reactor delivers a nitrogen flux of 3.1 x 10(-2) ml cm(-2) h(-1), leading to an ammonia yield rate of 2.9 mu mol cm(-2) h(-1) at 450 degrees C. The reaction of permeated N3- ions with H-2 gives rise to a high ammonia concentration of 0.097 vol% in the gas phase, which is close to the limit of thermodynamic equilibrium (0.1 vol%) under the identical condition. This work not only creates a greener path for ambient-pressure ammonia synthesis but also presents a new membrane reactor design that could find applications in other areas. Ammonia plays a crucial role in the world's food supply; however, its production from Haber-Bosch process features heavy CO2 emissions and energy consumption. Here the authors show a more sustainable approach to synthesize ammonia utilizing a membrane reactor.
学科领域	Green & Sustainable Science & Technology; Environmental Sciences; Environmental Studies
语种	英语
WOS研究方向	Science & Technology - Other Topics ; Environmental Sciences & Ecology
WOS记录号	WOS:000806705000001
来源期刊	NATURE SUSTAINABILITY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/272810
作者单位	Chinese Academy of Sciences; Fujian Institute of Research on the Structure of Matter, CAS; Advanced Energy Science & Technology Guangdong Laboratory
推荐引用方式 GB/T 7714	Ye, Lingting,Li, Hao,Xie, Kui. Sustainable ammonia production enabled by membrane reactor[J],2022,5(9):8.
APA	Ye, Lingting,Li, Hao,&Xie, Kui.(2022).Sustainable ammonia production enabled by membrane reactor.NATURE SUSTAINABILITY,5(9),8.
MLA	Ye, Lingting,et al."Sustainable ammonia production enabled by membrane reactor".NATURE SUSTAINABILITY 5.9(2022):8.