4.2 Article

Equilibrium Conditions of Semi-Clathrate Hydrate Dissociation for Methane plus Tetra-n-butyl Ammonium Bromide

Journal

JOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume 55, Issue 9, Pages 3538-3541

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/je100183s

Keywords

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Funding

  1. Higher College Doctoral Subject Foundation of China [20070558059]
  2. Suzhou University of Science and Technology Foundation [380910003, 330911207]

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The present work investigates hydrate equilibrium conditions for tetra-n-butyl ammonium bromide (TBAB) + methane + water mixtures. The experiments are carried out in the TBAB mass fraction range of (0.05 to 0.45) and in the pressure range of (0.5 to 7.0) MPa. The experimental results show that the presence of TBAB decreases the formation pressure of methane hydrate. Moreover, pressure reduction is dependent on the TBAB concentration.

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