Cage occupancy of methane clathrate hydrates in the ternary HO-NH-CH system

The incorporation of ammonia inside methane clathrate hydrate is of great interest to the hydrate chemistry community. We investigated the phase behavior of methane clathrate formed from aqueous ammonia solution. Ammonia's presence decreases methane occupancy in the large cages, without definit...

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Published inChemical communications (Cambridge, England) Vol. 56; no. 82; pp. 12391 - 12394
Main Authors Petuya, Claire, Choukroun, Mathieu, Vu, Tuan H, Desmedt, Arnaud, Davies, Ashley G, Sotin, Christophe
Format Journal Article
LanguageEnglish
Published 15.10.2020
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Summary:The incorporation of ammonia inside methane clathrate hydrate is of great interest to the hydrate chemistry community. We investigated the phase behavior of methane clathrate formed from aqueous ammonia solution. Ammonia's presence decreases methane occupancy in the large cages, without definitive Raman spectroscopic evidence for its incorporation inside the structure. Suggested effect of NH 3 on methane cage occupancy.
Bibliography:(Fig. S2 and S3) and O-H, N-H stretching data of samples consisting of 20 wt% NH
3
4
Electronic supplementary information (ESI) available: Experimental methods section (Fig. S1), data from
(Fig. S4). See DOI
Fig. 1-3
(Tables S1-S3 respectively), Raman signature of CH
10.1039/d0cc04339g
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc04339g