The impact of methionine, tryptophan and proline on methane (95%)–propane (5%) hydrate formation

Sotirios Nik Longinos, Dimitra Dionisia Longinou, Mahmut Parlaktuna, Zhexenbek Toktarbay

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

This study examines the impact of three amino acids such as proline, methionine and tryptophan on methane (95%)–propane (5%) hydrate formation with the use of different impellers. The concentration of amino acids was 1 wt% at 24.5 bar and 2 °C. Based on experimental outcomes proline behaves as inhibitor and methionine and tryptophan perform as promoters. RT experiments both formed more quickly gas hydrates and indicated higher values in rate of hydrate formation compared to PBTU and PBTD experiments showing that in radial flow bubbles are subjected to higher shear stresses, their size are reduced, so that the contact surface is increased resulting in an improved mass transfer coefficient.

Original languageEnglish
Pages (from-to)653-664
Number of pages12
JournalReaction Kinetics, Mechanisms and Catalysis
Volume134
Issue number2
DOIs
Publication statusPublished - Dec 2021
Externally publishedYes

Keywords

  • Amino acids
  • Hydrates
  • Induction time
  • Rate of hydrate formation
  • Single impeller

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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