University of Tasmania
Browse

File(s) not publicly available

Hydrate formation and re-formation in nucleating THF/water mixtures show no evidence to support a “memory” effect

journal contribution
posted on 2023-05-18, 01:39 authored by Peter Wilson, Haymet, ADJ
There are many reports in the chemical engineering literature citing a 'memory' effect in association with nucleation of clathrate hydrates. Some researchers appeal to this memory effect in order to explain the apparent reduction in induction time for hydrates formed repetitively from supercooled solutions. It is suggested that for various species of clathrate in liquid-liquid or gas-liquid systems, such as THF/water, CO2/water and hydrocarbon gas/water, the 'memory' effect results from water which is obtained from melted hydrates possessing a "modified" structure which allows easier hydrate re-formation. We provide here data from several series of measurements of the stochastic nature of THF-water hydrate formation using an automatic lag time apparatus. Our data supports the existing molecular understanding of nucleation and does not require any appeal to a memory effect. © 2010 Elsevier B.V.

History

Publication title

Chemical engineering journal

Volume

161

Issue

1-2

Pagination

146-150

ISSN

1385-8947

Department/School

College Office - College of Health and Medicine

Publisher

Elsevier Science Sa

Place of publication

Lausanne, Switzerland

Repository Status

  • Restricted

Socio-economic Objectives

Energy systems and analysis

Usage metrics

    University Of Tasmania

    Exports

    RefWorks
    BibTeX
    Ref. manager
    Endnote
    DataCite
    NLM
    DC