Accelerated methane storage in clathrate hydrates using surfactantstabilized suspension with graphite nanoparticles

Liang Yang; Xin Wang; Daoping Liu; Guomin Cui; Binlin Dou; Juan Wang; Shuqing Hao

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Accelerated methane storage in clathrate hydrates using surfactantstabilized suspension with graphite nanoparticles

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Accelerated methane storage in clathrate hydrates using surfactantstabilized suspension with graphite nanoparticles
- Chinese Journal of Chemical Engineering Vol. 28, Issue 4, Pages: 1112-1119(2020)
- Affiliations：
  
  1. Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, School of Energy and Power Engineering, University of Shanghai for Science and Technology,Shanghai,China,200093
  2. School of Environmental and Chemical Engineering, Shanghai University of Electric Power,Shanghai,China,200090
  3. National Engineering Research Center of Coal Preparation and Purification, China University of Mining & Technology,Xuzhou,China,221116
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2020
- Accepted：
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Liang Yang, Xin Wang, Daoping Liu, Guomin Cui, Binlin Dou, Juan Wang, Shuqing Hao. Accelerated methane storage in clathrate hydrates using surfactantstabilized suspension with graphite nanoparticles[J]. Chinese Journal of Chemical Engineering, 2020, 28(4): 1112-1119.
DOI：

Liang Yang, Xin Wang, Daoping Liu, Guomin Cui, Binlin Dou, Juan Wang, Shuqing Hao. Accelerated methane storage in clathrate hydrates using surfactantstabilized suspension with graphite nanoparticles[J]. Chinese Journal of Chemical Engineering, 2020, 28(4): 1112-1119. DOI：

摘要

Abstract

In this study

enhanced kinetics of methane hydrate formation in the sodium dodecyl sulfate (SDS) solution with different concentrations of suspended graphite nanoparticles (GNPs) were investigated at 6.1-9.0 MPa and 274.15 K. The GNPs with rough surfaces and excellent thermal conductivity not only provided a considerable number of microsites for hydrate nucleation but also facilitated the fast hydrate heat transfer in the suspension system. At a relatively low pressure of 6.1 MPa

the suspension with 0.4 wt% of GNPs exhibited the minimum induction time of 22 min and maximum methane uptake of 126.1 cm

·cm

-3

. However

the methane storage performances of the suspensions with higher and lower concentrations of GNPs were not satisfactory. At the applied pressure

the temperature increase arising from the hydrate heat in the suspension system with the optimized concentration (0.4 wt%) of GNPs was more significant than that in the traditional SDS solution. Furthermore

compared with those of the system without GNPs

enhanced hydration rate and storage capacity were achieved in the suspensions with GNPs

and the storage capacities were increased by 3.9%-17.

0%. The promotion effect of GNPs on gas hydrate formation at low pressure is much more obvious than that at high pressure.

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