- PII
- S30345413S0453881125020029-1
- DOI
- 10.7868/S3034541325020029
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 66 / Issue number 2
- Pages
- 80-90
- Abstract
- The interaction of hydrazine monohydrate with nickel on various carriers has been investigated using a range of physical and chemical methods. Hydrazine monohydrate adsorbs on catalysts, both active and inactive, in the infrared region of the spectrum. The location of the particles of adsorbed hydrazine monohydrate is on the carrier. There was no correlation found between the spectral features on several of the catalysts studied and their catalytic activity in hydrogen formation. The main transformation reactions occur in the metallic phase of the supported catalysts. It was found that, due to the reaction energy, the size and structure of the clusters were reduced and rearranged to create centers suitable for the effective course of intramolecular dehydrogenation of hydrazine. At the same time, this process was most effective on smaller clusters, possibly because a stronger Me-H bond was formed on them. Adsorption of hydrazine monohydrate through hydrogen atoms was possible on these clusters. These conditions ensured the predominant formation of hydrogen at low temperatures. An increase in temperature contributed to the course of a competing reaction of ammonia formation, associated with the breaking of the N-N bond in the adsorption complex. As result, the formation of NH complexes is taking place, and then ammonia.
- Keywords
- превращение моногидрата гидразина водород промежуточные соединения молекулярная спектроскопия
- Date of publication
- 28.12.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 18
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