Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ijhydene.2013.01.123
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dc.titleMacroscopic kinetics of hydrate formation of mixed hydrates of hydrogen/tetrahydrofuran for hydrogen storage
dc.contributor.authorVeluswamy, H.P.
dc.contributor.authorLinga, P.
dc.date.accessioned2014-10-09T06:52:44Z
dc.date.available2014-10-09T06:52:44Z
dc.date.issued2013-04-15
dc.identifier.citationVeluswamy, H.P., Linga, P. (2013-04-15). Macroscopic kinetics of hydrate formation of mixed hydrates of hydrogen/tetrahydrofuran for hydrogen storage. International Journal of Hydrogen Energy 38 (11) : 4587-4596. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijhydene.2013.01.123
dc.identifier.issn03603199
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/89350
dc.description.abstractHydrogen/Tetrahydrofuran mixed hydrate formation studies were conducted in a stirred tank reactor. Hydrate formation kinetics at driving forces of 2 MPa, 5 MPa and 7 MPa were studied. Tetrahydrofuran (THF) concentration was varied between 1 mol% and 5 mol% and its effect on hydrate formation kinetics was investigated. With an increase in the driving force there was an increase in gas uptake till super saturation. However, the increased driving force had little effect on the reduction of induction time even at high promoter (THF) concentration. 5 mol% THF solutions behave distinctly exhibiting an increased hydrate growth compared to low promoter concentrations due to the occurrence of multiple nucleation events (observed based on temperature spikes and gas uptake). Rate of hydrate formation increased with an increase in driving force for a given concentration of THF promoter. Water conversion to hydrates in the range of 2.8-10.8% was achieved for all the experiments. Addition of Sodium Dodecyl Sulphate (SDS) surfactant had no effect in improving the kinetics of mixed hydrogen/THF hydrates. This study highlights the kinetic challenges that need to be overcome in storing hydrogen as clathrate hydrates. © 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.ijhydene.2013.01.123
dc.sourceScopus
dc.subjectFormation kinetics
dc.subjectGas hydrates
dc.subjectHydrogen hydrates
dc.subjectHydrogen storage
dc.subjectStirred tank reactor
dc.typeArticle
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.description.doi10.1016/j.ijhydene.2013.01.123
dc.description.sourcetitleInternational Journal of Hydrogen Energy
dc.description.volume38
dc.description.issue11
dc.description.page4587-4596
dc.description.codenIJHED
dc.identifier.isiut000319029900037
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