Methane storage in wet activated carbon: Studies on the charging/discharging process

The dynamic behavior of charging/discharging methane onto/from water-preloaded activated carbon was studied at different conditions. It was shown that methane hydrate could form quickly in the porous space of carbon at the condition of 275 K and pressures beginning with 4.12 MPa. The stored methane...

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Bibliographic Details
Published in:Carbon (New York) 2005-08, Vol.43 (9), p.2007-2012
Main Authors: Zhou, Yaping, Wang, Yuxin, Chen, Haihua, Zhou, Li
Format: Article
Language:English
Subjects:
Activated carbon
Adsorbents
Adsorption
Adsorption properties
Chemistry
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fullerenes and related materials
diamonds, graphite
General and physical chemistry
High pressure
Materials science
Physics
Specific materials
Surface physical chemistry
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Summary:The dynamic behavior of charging/discharging methane onto/from water-preloaded activated carbon was studied at different conditions. It was shown that methane hydrate could form quickly in the porous space of carbon at the condition of 275 K and pressures beginning with 4.12 MPa. The stored methane could be continuously released at a constant flowrate for the whole discharging process. The packing density of 0.6 g cm −3 seemed optimal for the wet carbon tested, which yielded 152 V/V of released methane at charging pressure of 8 MPa. The thermal effect observed on the charging/discharging process was low and did not affect the effective storage capacity.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2005.03.017