The Effect of Experimental Conditions on Methane (95%)–Propane (5%) Hydrate Formation

Sotirios Nik. Longinos and Mahmut Parlaktuna
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Sotirios Nik. Longinos: Petroleum and Natural Gas Engineering Department, Middle East Technical University, Ankara 06800, Turkey
Mahmut Parlaktuna: Petroleum and Natural Gas Engineering Department, Middle East Technical University, Ankara 06800, Turkey

Energies, 2020, vol. 13, issue 24, 1-17

Abstract: In the present study, the effect of different kinds of impellers with different baffles or no baffle was investigated. Up-pumping pitched blade turbine (PBTU) and Rushton turbine (RT) were the two types of impellers tested. The reactor was equipped with different designs of baffles: full, half and surface baffles or no baffles. Single (PBTU or RT) and dual (PBTU/PBTU or RT/RT) use of impellers with full (FB), half (HB), surface (SB) and no baffle (NB) combinations formed two sets of 16 experiments. There was estimation of rate of hydrate formation, induction time, hydrate productivity, overall power consumption, split fraction and separation factor. In both single and dual impellers, the results showed that RT experiments are better compared to PBTU in rate of hydrate formation. The induction time is almost the same since we are deep in the equilibrium line while hydrate productivity values are higher in PBTU compared to RT experiments. As general view RT experiments consume more energy compared to PBTU experiments.

Keywords: natural gas hydrates; rate of hydrate formation; induction time (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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